Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
A
Window
B
Pop-up menu
C
Message box
D
Taskbar
Question 2Single Answer
What is active desktop ?
A
a term that is synonymous with viewing your desktop as web page
B
a feature to customize your desktop to display informating you can update from the internet
C
both a and b above mentioned
D
A software
E
None of these
Question 3Single Answer
What is meant by an active window?
A
A window that is minimized
B
The window currently receiving user input
C
Any window currently open
D
The window opened first
Question 4Single Answer
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
A
An online service providing Internet access and proprietary online content
B
A computer operating system
C
A spreadsheet application
D
A database management system
Question 5Single Answer
An application is
A
word processing, accounting and engineering programs are example of application programs
B
computer program designed to enable users to perform specific job functions
C
Both a and b above mentioned
D
a document
E
None of these
Question 6Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
A
Window program
B
Spreadsheet program
C
Graphics program
D
Word program
E
None of these
Question 7Single Answer
The term Briefcase is used for
A
a special folder on the windows desktop used to keep documents up to date when shared between computers
B
a window that us currently open
C
A folder which keeps deleted, files for a while and can be retrieved from it
D
All of the above
E
None of these
Question 8Single Answer
In a graphical user interface, what is a button primarily used for?
A
Executing a command or initiating an action
B
Permanently storing data
C
Displaying the computer's IP address
D
Formatting a disk automatically
Question 9Single Answer
A channel (in windows terminology) is
A
a widely used online service that offers access to the internet
B
a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
C
an area on the computer memory where text or graphics can be temporarily stored
D
All of the above
E
None of these
Question 10Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
A
The associated option is enabled or selected
B
The application has closed
C
The file has been deleted
D
The computer is offline
Question 11Single Answer
Yojna a weekly journal
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 12Single Answer
Kurukshetra a journal on rural development is published by
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 13Single Answer
Devaluation of a currency means
A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market
Question 14Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3
Question 15Single Answer
Which of the following programmes aims at the promotion of savings among rural women
A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna
Question 16Single Answer
What is Net National Product
A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy
Question 17Single Answer
National income is the
A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost
Question 18Single Answer
Chelliah Committee of 1992 deals with the overhauling of our
A
financial system
B
tax system
C
patents and copyrights
D
Public sector undertakings
Question 19Single Answer
During which Five Year Plan was the annual growth rate of National Income the lowest
A
2nd plan
B
3rd plan
C
5th plan
D
6th plan
Question 20Single Answer
Which of the following taxes is a progressive tax
A
sales tax
B
custom tax
C
excise tax
D
income tax
Question 21Single Answer
Which of the following estimates the National Income in India
A
National Income Committee
B
Planning Commission
C
Reserve Bank Of India
D
Central Statistical Organisation
Question 22Single Answer
India changed over to the decimal system, coinage in
A
April 1951
B
April 1955
C
April 1957
D
April 1978
Question 23Single Answer
11th Five Year Plan aim at achieving 10% rural tele density in India from the present 1.9% by the year
A
2008
B
2009
C
2010
D
2012
Question 24Single Answer
Which one of the following statements Monitorable Socio Economic Target of the 11th Five Year Plan under the head Environment is not correct
A
treat urban waste water by 2011-12
B
Increase energy efficiency by 20% points by 2016-17
C
attain WHO standards of air quality in all major cities by 2011-12
D
increase forest and tree cover by 15% points
Question 25Single Answer
Who is the ex-officio chairman of Planning commission and National Development Council
A
President
B
Prime Minister
C
Finance Minister
D
Commerce Minister
Question 26Single Answer
Persons below the poverty line in Indian are classified as such based on wheather
A
they belong to agriculture labourer household and the scheduled caste/trive social group
B
they get work for a prescribed minimum number of days in a year
C
they are entitled to a minimum prescribed food basket
D
their daily waged fall below the prescribed minimum wages
Question 27Single Answer
Which of the following Committee’s recommendations are being followed for estimating proverty line in India
A
Dutt committee
B
Lakdawala committee
C
Cheliah Committee
D
Chakravorty Committee
Question 28Single Answer
In which year India adopeted liberal and free market principles
A
1975
B
1981
C
1991
D
2000
Question 29Single Answer
Consider the following statements
1. There is persistent investment over time only in select locals
2. some areas are agro climatically less conductive to development
3. some areas continue to face little or no agrarian transformation and the consequent lack of social and
4. some areas have faced continous political instability
Which of the above statements are correct
A
1,2 and 3
B
1,2 and 4
C
1,3 and 4
D
2,3 and 4
Question 30Single Answer
When was first human development report of India issued
A
April 2001
B
March 2000
C
June 2002
D
April 2002
Question 31Single Answer
What fraction of India's total area is covered by Rajasthan?
A
Around 5%
B
Around 15%
C
Around 10%
D
Around 20%
Question 32Single Answer
Which of the following statements is NOT TRUE?
A
Rajasthan's total geographical area is around 3.42 Lakh Sq. Km.
B
Total Populations of Rajasthan is around 10 crore.
C
Out of total population of Rajasthan, 24.9% people live in urban regions.
D
All of the above
Question 33Single Answer
Which district has highest population in Rajasthan?
A
Jaipur
B
Jaisalmer
C
Udaipur
D
Ajmer
Question 34Single Answer
What fraction of Rajasthan's total area is covered by Thar Desert?
A
Around 30%
B
Around 40%
C
Around 60%
D
Around 70%
Question 35Single Answer
The temple city of Osean in Rajasthan was established by which of the following Rajputs?
A
Gurjar Pratiharas
B
Chauhans
C
Solankis
D
Sisodias
Question 36Single Answer
The Jhamarkotra mines of Rajasthan are best known for which among the following minerals?
A
Mica
B
Zinc
C
Rock Phosphate
D
Lime Stone
Question 37Single Answer
What is the population of Scheduled Caste in Rajasthan?
A
20.3%
B
21%
C
17.8%
D
21.6%
Question 38Single Answer
According to census 2011, what is the literacy rate in Rajasthan?
A
60%
B
78%
C
66%
D
55%
Question 39Single Answer
How many people are working in Rajasthan (in percentage)?
A
56%
B
23%
C
43.6%
D
52.4%
Question 40Single Answer
The word 'Rajputana' for Rajasthan was first used by:
A
James Todd
B
George Thomas
C
Geogra Greeson
D
Kushal Labh
Question 41Single Answer
How many districts are there in Rajasthan in 2021?
A
21
B
16
C
30
D
33
Question 42Single Answer
Rajasthan shares the longest border with which state?
A
Gujarat
B
Madhya Pradesh
C
Uttar Pradesh
D
Haryana
Question 43Single Answer
Which district of the Rajasthan does not touch the international border?
A
Ganganagar
B
Bikaner
C
Barmer
D
Jodhpur
Question 44Single Answer
Which of the following districts of Rajasthan has shortest international boundary?
A
Jaisalmer
B
Bikaner
C
Barmer
D
Ganganagar
Question 45Single Answer
With how many states Rajasthan shares its border?
A
7
B
5
C
6
D
3
Question 46Single Answer
What is the Official Language of Rajasthan?
A
Hindi
B
Rajasthani
C
English
D
Marwari
Question 47Single Answer
On which day Rajasthan Diwas is observed every year?
A
April 30th
B
February 28th
C
March 30th
D
April 28th
Question 48Single Answer
Which of the following is the state animal of Rajasthan?
A
Chinkara
B
Tiger
C
Sloth bear
D
Stork Crane
Question 49Single Answer
Which desert is located in Rajasthan?
A
Gobi Desert
B
Thar Desert
C
Sahara Desert
D
Kalahari Desert
Question 50Single Answer
What is the state tree of Rajasthan?
A
Rhododendron
B
Palmyra palm
C
Deodar
D
Khejri
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General Knowledge
Question 51Single Answer
Which of the national parks is not situated in Rajasthan?
A
Panna national park
B
Ranthabore national park
C
Bandipur national park
D
Sariska national park
Question 52Single Answer
Which of the following is the largest freshwater lake in Rajasthan?
A
Dal Lake
B
Fateh Sagar Lake
C
Pushkar Lake
D
Jaisamand Lake
Question 53Single Answer
Which city is known as the Salt city of Rajasthan?
A
Bhilwara
B
Alwar
C
Sambhar
D
Kishangarh
Question 54Single Answer
The Taj Mahal of Rajasthan Jaswant-Thada is situated in which district?
A
Bikaner
B
Udaipur
C
Ajmer
D
Jodhpur
Question 55Single Answer
Who is known as the 'Iron man of Rajasthan'?
A
Govind Giri
B
Haribhau Upadhayay
C
Damodar Lal Vyas
D
Motilala tejawat
Question 56Single Answer
Which city of Rajasthan is known as City of Mountains?
A
Jhalawar
B
Durlabh
C
Sonargarh
D
Dungarpur
Question 57Single Answer
Literacy rate in Rajasthan is_____
A
66.1
B
60.1
C
55.1
D
62.1
Question 58Single Answer
Population density in Rajasthan is______
A
230
B
200
C
250
D
225
Question 59Single Answer
Rajasthan does not share its state border with_____
A
Punjab
B
Haryana
C
Gujarat
D
Goa
Question 60Single Answer
Rajasthan has border length with Punjab____km.
A
80
B
81
C
89
D
85
Question 61Single Answer
The Indiramma Atmiya Bharosa Scheme was launched in which state?
A
Andhra Pradesh
B
Telangana
C
Karnataka
D
Tamil Nadu
Question 62Single Answer
Which cricketer announced retirement from ODIs to focus on the 2026 T20 World Cup?
A
Virat Kohli
B
Glenn Maxwell
C
Joe Root
D
Steve Smith
Question 63Single Answer
The Ghatampur Thermal Power Project, recently inaugurated, is located in which state?
A
Madhya Pradesh
B
Uttar Pradesh
C
Rajasthan
D
Gujarat
Question 64Single Answer
Which gene was linked to the height difference between men and women in a recent study?
A
BRCA1
B
SHOX
C
FGFR3
D
GH1
Question 65Single Answer
Which naval forces are planning a joint exercise at sea in 2025?
A
Indian Navy and US Navy
B
Indian Navy and EUNAVFOR
C
Indian Navy and Japanese Navy
D
Indian Navy and Australian Navy
Question 66Single Answer
Which state was declared fully literate under the ULLAS Nav Bharat Saaksharta Karyakram?
A
Kerala
B
Goa
C
Tamil Nadu
D
Himachal Pradesh
Question 67Single Answer
The Jharkhand government is establishing its first tiger safari in which area?
A
Hazaribagh National Park
B
Palamau Tiger Reserve
C
Betla National Park
D
Dalma Wildlife Sanctuary
Question 68Single Answer
Who was appointed as the 52nd Chief Justice of India?
A
Sanjiv Khanna
B
Bhushan Ramkrishna Gavai
C
Satish Chandra Sharma
D
Rajan Roy
Question 69Single Answer
The ‘Jalaj’ project is an initiative of which ministry?
A
Ministry of Environment, Forest and Climate Change
B
Ministry of Jal Shakti
C
Ministry of Urban Development
D
Ministry of Finance
Question 70Single Answer
Which country developed the world’s first deep-sea radar to detect high-flying aircraft?
A
USA
B
Russia
C
China
D
Japan
Question 71Single Answer
Which day is observed globally on June 3, 2025?
A
World Environment Day
B
World Bicycle Day
C
World Health Day
D
World Oceans Day
Question 72Single Answer
How many people were announced to receive the Padma Awards in 2025?
A
121
B
139
C
140
D
165
Question 73Single Answer
Which bank became the first to implement Clari5’s NCRP Integration Solution?
A
Punjab National Bank
B
Bank of Baroda
C
Bank of India
D
Canara Bank
Question 74Single Answer
The Polavaram Multipurpose Project is located in which state?
A
Kerala
B
Karnataka
C
Andhra Pradesh
D
Maharashtra
Question 75Single Answer
Which ministry is responsible for the Kalagram for Mahakumbh 2025?
A
Ministry of Culture
B
Ministry of Tourism
C
Indian Council for Cultural Relations
D
Ministry of External Affairs
Question 76Single Answer
Which country’s Prime Minister, Ilza Amado Vaz, recently announced her resignation?
A
Cameroon
B
Sao Tome and Principe
C
Chad
D
Democratic Republic of the Congo
Question 77Single Answer
Which day is observed as the International Day of Education?
A
24 January
B
25 January
C
26 January
D
27 January
Question 78Single Answer
Which Indian Navy ship conducted a hydrographic survey of Mauritius?
A
INS Viraat
B
INS Sarvekshak
C
INS Kalvari
D
INS Saryu
Question 79Single Answer
The SVAMITVA Scheme, praised globally, uses which technology for rural land mapping?
A
Satellite Imaging
B
Drone Technology
C
LiDAR
D
GPS Tracking
Question 80Single Answer
What is the theme of the 2025 World Bank Land Conference?
A
Land for Sustainable Development
B
Securing Land Tenure and Access for Climate Action
C
Land Rights for Economic Growth
D
Urban Land Management
Question 81Single Answer
Which ministry launched the Krishi Nivesh Portal to boost agricultural investments?
A
Ministry of Rural Development
B
Ministry of Finance
C
Ministry of Jal Shakti
D
Ministry of Agriculture and Farmers Welfare
Question 82Single Answer
The Perito Moreno Glacier, recently in the news, is located in which country?
A
Chile
B
Argentina
C
Peru
D
Ecuador
Question 83Single Answer
Which state in India mandated weekly ethics classes based on Thirukkural for students from Classes VI to XII?
A
Kerala
B
Tamil Nadu
C
Karnataka
D
Andhra Pradesh
Question 84Single Answer
Who became the first New Zealander to reach space after flying on the Blue Origin NS-32 suborbital spaceflight?
A
Peter Beck
B
Mark Rocket
C
Richard Pearse
D
William Pickering
Question 85Single Answer
Which Indian state celebrated the annual School Praveshanolsavam on June 2, 2025?
A
Tamil Nadu
B
Kerala
C
Karnataka
D
Maharashtra
Question 86Single Answer
Which country observed Republic Day on June 2, 2025, commemorating the 1946 referendum that led to the establishment of the republic?
A
France
B
Germany
C
Italy
D
Spain
Question 87Single Answer
What is the name of the transgender teen athlete who won track events in California amid federal threats to cut state funding over trans-inclusive sports policies?
A
Alex Morgan
B
AB Hernandez
C
Jamie Lee
D
Taylor Smith
Question 88Single Answer
Which department in the U.S. instructed its medical personnel to seek clearance from political appointees before publishing or speaking publicly, following a critical journal article?
A
Department of Health and Human Services
B
Department of Veterans Affairs
C
Department of Defense
D
Department of Education
Question 89Single Answer
Which country is set to adopt the euro, with the European Commission deciding on its readiness?
A
Romania
B
Bulgaria
C
Croatia
D
Hungary
Question 90Single Answer
Which major tech company is expected to launch the highly anticipated Switch 2 console, projected to sell 15 million units this fiscal year?
A
Sony
B
Microsoft
C
Nintendo
D
Sega
Question 91Single Answer
Which country surpassed Japan to become the world's largest creditor nation after 34 years?
A
China
B
Germany
C
United States
D
Switzerland
Question 92Single Answer
Nalsarovar Wildlife Sanctuary, recently in news for the sighting of Sabine’s Gull, is located in which state?
A
Rajasthan
B
Madhya Pradesh
C
Gujarat
D
Uttarakhand
Question 93Single Answer
Bayraktar TB2, an unmanned aerial vehicle (UAV), is developed by which country?
A
Israel
B
Turkey
C
USA
D
Russia
Question 94Single Answer
Which country is holding its presidential election on June 3, 2025, following the impeachment of its former president?
A
Japan
B
South Korea
C
Poland
D
Germany
Question 95Single Answer
Which two cricket teams are playing their third One Day International (ODI) match at The Oval, London, on June 3, 2025?
A
India vs Australia
B
England vs West Indies
C
South Africa vs Pakistan
D
New Zealand vs Sri Lanka
Question 96Single Answer
Which two teams are competing in the final group-stage match of the Women's Nations League in Barcelona on June 3, 2025?
A
France vs Germany
B
Spain vs England
C
Italy vs Netherlands
D
Sweden vs Norway
Question 97Single Answer
Which economic data is scheduled for release by the Eurozone on June 3, 2025?
A
Unemployment rate
B
GDP growth rate
C
Inflation estimate for May
D
Trade balance
Question 98Single Answer
Which day is observed globally on June 5 to promote environmental awareness?
A
World Earth Day
B
World Environment Day
C
International Biodiversity Day
D
Global Recycling Day
Question 99Single Answer
Which Indian state hosted the third Lavender Festival in Bhaderwah, Doda district?
A
Himachal Pradesh
B
Uttarakhand
C
Jammu & Kashmir
D
Sikkim
Question 100Single Answer
Which Indian ministry launched the 'Sanchaar Mitra' initiative to enhance communication services?
A
Ministry of Information and Broadcasting
B
Ministry of Communications
C
Ministry of Electronics and IT
D
Ministry of Home Affairs
Biology
Question 101Single Answer
Which of the following contain enzymes for cellular respiration ?
A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria
Question 102Single Answer
Which one among the following nutrients is a strctural
A
Cell membrane
B
Plasma membrane
C
Cell wall
D
Nucleus
Question 103Single Answer
Which one among the following nutrients is a structural component of the cell wall of plants ?
A
Manganese
B
Potassium
C
Phosphorus
D
Calcium
Question 104Single Answer
Which of the following groups is present in animal cells ?
A
Mitochondria, Cell membrane, Cell wall, Cytoplasm
B
Chloroplasts, Cytoplasm, Vacuole, Nucleus
C
Nucleus, Cell membrane, Mitochondria, Cytoplasm
D
Vacuole, cell membrane, Nucleus, Mitochondria
Question 105Single Answer
For which among the following is not a true fruit ?
A
Apple
B
Date
C
Grape
D
Plum
Question 106Single Answer
Which one of the following is not a constituent of cell membrane ?
A
Cholesterol
B
Glycoplids
C
Proline
D
Phospholipids
Question 107Single Answer
The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle, the DNA replicates in
A
S–phase
B
G1–phase
C
G2–phase
D
M-phase
Question 108Single Answer
During which stage of mitosis does cytokinesis usually occur in animals ?
A
Phophase
B
Metaphase
C
Anaphase
D
Telophase
Question 109Single Answer
Lysosome arises from
A
endoplasmic reticulum
B
golgi apparatus
C
nucleus
D
mitochondria
Question 110Single Answer
The correct sequence of cell cycle is
A
S, G1, G2, M
B
S, M, G1, G2
C
G1, S, G2, M
D
M, G1, G2, S
Question 111Single Answer
Biological membranes are composed of
A
40% proteins and 60% lipids
B
50% proteins and 50% lipids
C
70% proteins and 30% lipids
D
60% proteins and 40% lipids
Question 112Single Answer
F1 particles / oxysome / elementary particles are present in
A
endoplasmic reticulum
B
chloroplast
C
mitochondria
D
golgi complex
Question 113Single Answer
"Endomitosis" refers to
A
division of nucleus without chromosomal division
B
division of chromosome without nuclear division
C
division of cytoplasm
D
None of the above
Question 114Single Answer
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be
A
hypertonic
B
isotonic
C
hypotonic
D
None of these
Question 115Single Answer
The function of nucleous is the synthesis of
A
DNA
B
m - RNA
C
r- RNA
D
t - RNA
Question 116Single Answer
Mesosome in a bacterial cell is
A
plasmid
B
connection between two cells
C
plasma membrane infolded for respiration
D
None of these
Question 117Single Answer
In living cels synthesis of ribonoucleic acid (RNA) takes place in :
A
Cytoplasm
B
Nucleus
C
Golgi body
D
Nephron
Question 118Single Answer
The cell organelle storing substances like starch, oil and proteins is
A
Vacuole
B
Lysosome
C
Plastid
D
Golgi body
Question 119Single Answer
Organisms lacking nuclear membrane and cell organelles is called as :
A
Prokaryotes
B
Eukaryotes
C
Protozoa
D
Virus
Question 120Single Answer
Cell organelles that are involved in the waste disposal system of the cell are :
A
Golgi apparatus
B
Lysosomes
C
Chromosomes
D
Ribosomes
Question 121Single Answer
Which one of the following is an organelle that is NOT found in prokaryotic cells ?
A
Cell wall
B
Mitochondria
C
Plasma membrane
D
Ribosome
Question 122Single Answer
Which one of the following cell organelles mainly functions as storehouse of digestive enzymes ?
A
Desmosome
B
Ribosome
C
Lysosome
D
Vacuoles
Question 123Single Answer
Cell wall of any fungus is different from plant in having
A
cellulose
B
chitin
C
cholesterol
D
glycogen
Question 124Single Answer
In prokaryotic organisms, nuclear region is not surrounded by a membrane.This undefined nuclear region is known as
A
Nucleic acid
B
Nucleoid
C
Nucleolus
D
Nucleosome
Question 125Single Answer
Which one of the following functions is not carried out by smooth endoplasmic reticulum ?
A
Transport of materials
B
Synthesis of lipid
C
Synthesis of protein
D
Synthesis of steroid hormone
Question 126Single Answer
Which of the following is the cellular respiratory centre ?
A
Nucleus
B
Mitochondria
C
Ribosome
D
Golgi body
Question 127Single Answer
Which one of the following cell organelles contains DNA ?
A
Golgi apparatus
B
Mitochondrion
C
Lysosome
D
Endoplasmic reticulum
Question 128Single Answer
Movement of materials to different parts of cytoplasm and nucleus is generall carried out by
A
Ribosomes
B
Mitochondria
C
Lysosomes
D
Endoplasmic reticulum
Question 129Single Answer
In mitochondria, ATP synthesizing chemical reactions take place in the
A
Outer membrane
B
Matrix
C
Inner membrane
D
DNA of mitochondria
Question 130Single Answer
Cell wall is not present in cells of
A
Bacteria
B
Plants
C
Fungi
D
Humans
Question 131Single Answer
Which cell organelles have their own DNA and Ribosomes ?
A
Golgi body and Endoplasmic Reticulum
B
Mitochondria and Plastids
C
Lysosome and Golgi body
D
Vacuole and Plastids
Question 132Single Answer
Osmosis is the process of movement of water molecules from its
A
higher concentration to its lower concentration through a cell wall
B
lower concentration to its higher concentration through a fully permeable membrane
C
higher concentration to its lower concentration through a fully permeable membrane
D
higher concentration to its lower concentration through a semi - permeable membrane
Question 133Single Answer
Cell were first discovered by
A
Robert Hooke
B
Leeuwenhoek
C
Purkinje
D
Virchow
Question 134Single Answer
The plasma membrane is
A
permeable
B
impermeable
C
selectively permeable
D
both (a) and (b)
Question 135Single Answer
Nuclear material without cover is found in
A
mycoplasma and green algae
B
bacteria and fungi
C
bacteria and blue green algae
D
none of the above
Question 136Single Answer
The work 'prokaryote' means a cell
A
with many nuclei
B
with one nucleus
C
with diffused nucleus
D
without chloroplast
Question 137Single Answer
Minute structures on bacterial cell are called
A
hair
B
cilia
C
flagella
D
pili
Question 138Single Answer
Cell theory was proposed by
A
Schleiden and Schwann
B
Robert Brown
C
Leeuwenhoek
D
Purkinje
Question 139Single Answer
The undefined nuclear region in a bacteria is
A
nucleoid
B
nucleus
C
chromosome
D
nucleolus
Question 140Single Answer
Nucleus plays a crucial part in
A
metabolism
B
cellular reproduction
C
lipid synthesis
D
protein synthesis
Question 141Single Answer
Which of the following is not present in prokaryotes ?
A
Ribosomes
B
Cell wall
C
Plasma membrane
D
Nuclear membrane
Question 142Single Answer
Chemical nature of carrier molecules facilitating transport across plasma membrane is
A
starchy
B
sugary
C
proteinaceous
D
fatty acidic
Question 143Single Answer
ER remains associated with
A
dictyosomes
B
mitochondria
C
karyotheca
D
chloroplast
Question 144Single Answer
Vacuole is surrounded by
A
plasmalemma
B
cell wall
C
tonoplast
D
plasmodesmata
Question 145Single Answer
The organisms that lack membranes are
A
Viruses
B
Bacteria
C
protozoans
D
Fungi
Question 146Single Answer
The organelle attached to the ER is
A
ribosomes
B
lysosomes
C
golgi bodies
D
proteins
Question 147Single Answer
Golgi bodies help in
A
excertion of steroids
B
storage and secretion
C
translation
D
trnascription
Question 148Single Answer
According to fluid mosaic model plasma membrane is composed of
A
phospholipids, extrinsic and intrinsic proteins
B
phospholipids and oligosaccharides
C
phospholipids and hemicellulose
D
phospholipids and integral glycoproteins
Question 149Single Answer
The presence of .............. organelle is only revealed by electron microscope .
A
chloroplast
B
mitochondria
C
Golgi bodies
D
lysosome
Question 150Single Answer
One of these is the smallest in size
A
Ribosome
B
Lysosome
C
Mitochondria
D
Chloroplast
Question 151Single Answer
The SER helps in building the cell membrane. This process is called
A
protein synthesis
B
membrane abiogenesis
C
membrane biogenesis
D
glycogenesis
Question 152Single Answer
Golgi apparatus is involved in the formation of :
A
lysosome
B
vacuoles
C
plastids
D
mitochondria
Question 153Single Answer
DNA is a component of
A
mitochondria
B
chloroplast
C
cytoplasm
D
(a) and (b) both
Question 154Single Answer
One of these is double membrane organelle
A
lysosome
B
mitochondria
C
nucleus
D
endoplasmic reticulum
Question 155Single Answer
The cell organelle containing the flatterned membrane bounded cisternae are located near the nucleus is
A
mitochondria
B
Golgi
C
centioles
D
nucleous
Question 156Single Answer
The entry of mineral ions in a plant cell during absorption is
A
passive absorption
B
active absorption
C
osmosis
D
encocytosis
Question 157Single Answer
The suicide bags of the cells are
A
mitochondria
B
plastids
C
golgi complex
D
ribosomes
Question 158Single Answer
When gene targeting involving gene amplification is attempted in a person’s tissue to treat disease, it is known as :
A
Safety testing
B
Biopiracy
C
Gene therapy
D
Molecular diagnosis
Question 159Single Answer
Vesicles are essential for the normal functioning of the golgi apparatus because
A
they provide energy for chemical reactions
B
they move proteins and lipids between different parts of the organelle
C
they contribute to the structural integrity of the organelle
D
they produce the sugars that are aded to proteins
Question 160Single Answer
Amino Acid chains built by the ribosomes then move to the
A
golgie apparatus
B
lysosome
C
endoplasmic reticulum
D
mitochondria
Physics
Question 161Single Answer
Temperature can be expressed as derived quantity in terms of
A
length and mass
B
mass and time
C
length, mass and time
D
None of these
Question 162Single Answer
Electron volt is a unit of
A
potential difference
B
charge
C
energy
D
capacity
Question 163Single Answer
Dimensions of impulse are
A
[MLT –1]
B
[MLT²]
C
[MT–2]
D
[ML–1T–3]
Question 164Single Answer
Potential is measured in
A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these
Question 165Single Answer
One Nanometer is equal to
A
10–9m
B
10–6m
C
10–10m
D
10–3m
Question 166Single Answer
Maxwell is the unit of
A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability
Question 167Single Answer
Which of the following is derived physical quantity ?
A
Mass
B
Velocity
C
Length
D
Time
Question 168Single Answer
What are the units of magnetic permeability ?
A
Wb A–1 m–1
B
Wb–1 Am
C
Wb A m–1
D
Wb A–1 m
Question 169Single Answer
The dimensions of pressure gradient are
A
[ML–2 T–2]
B
[ML–2 T–1]
C
[ML–1 T–1]
D
[ML–1 T–2]
Question 170Single Answer
The dimensions of Rydberg's constant are
A
[M0L–1T]
B
[MLT–1]
C
[M0 L–1T0]
D
[ML0 T2]
Question 171Single Answer
'Farad' is the unit of
A
resistance
B
conductance
C
capacitance
D
inductance
Question 172Single Answer
S.I. unit of surface tension is
A
degree/cm
B
N/m
C
N/m²
D
Nm
Question 173Single Answer
Which one of the following pairs does not have the same dimension ?
A
Potential energy and Kinetic energy
B
Density and specific gravity
C
Focal length and height
D
Gravitational force and frictional force
Question 174Single Answer
Which one of the following physical quantity has the same unit as that of pressure ?
A
Angular momentum
B
Stress
C
Strain
D
Work
Question 175Single Answer
The symbol of SI unit of inductance is H. It stands for
A
Holm
B
Halogen
C
Henry
D
Hertz
Question 176Single Answer
Light year is a measure of
A
time
B
distance
C
total amount of light falling on the Earth in a year
D
average intensity of light falling on the Earth in a year
Question 177Single Answer
Which one of the following is not a dimension less quantity ?
A
Strain
B
Relative density
C
Frequency
D
Angle
Question 178Single Answer
The dimensions of universal gas constant are
A
[L² M¹ T–2 K–1]
B
[L¹ M² T–2 K–1]
C
[L¹ M¹ T–2 K–1]
D
[L² M² T–2 K–1]
Question 179Single Answer
The dimensions of magnetic moment are
A
[L²A¹]
B
[L²A–1]
C
[L²/A³]
D
[LA²]
Question 180Single Answer
The dimensions of Wien's constant are
A
[ML0TK]
B
[M0LT0K]
C
[M0L0TK]
D
[MLTK]
Question 181Single Answer
The dimensional formula of wave number is
A
[M0L0T–1]
B
[M0L–1T0]
C
[M–1 L–1 T0]
D
[M0 L0 T0]
Question 182Single Answer
The dimensional of Hubble ‘s wave number is
A
[T–1]
B
[M0L0T–2]
C
[MLT4]
D
[MT–1]
Question 183Single Answer
The dimensions of solar constant is
A
[M0L0T0]
B
[MLT–2]
C
[ML²T–2]
D
MT–3
Question 184Single Answer
The dimensional formula for entropy is
A
[MLT–2K¹]
B
[ML2 T-2]
C
[ML²T–2K–1]
D
[ML²T–2K]
Question 185Single Answer
Dimension of specific heat are
A
[ML² T–2 K]
B
[ML² T–2 K–1]
C
[ML²T²K–1]
D
[L²T–2K–2]
Question 186Single Answer
The physical quantity which has the dimensional formula [M¹T–3] is
A
surface tension
B
solar constant
C
density
D
compressibility
Question 187Single Answer
Which one of the following elements is used as a timekeeper in atomic clocks ?
A
Potassium
B
Caesium
C
Calcium
D
Magnesium
Question 188Single Answer
Which one of the following is the value of one nanometer ?
A
10–7 cm
B
10–6 cm
C
10–4 cm
D
10–3 cm
Question 189Single Answer
What is the unit of pressure ?
A
Newton/sq. meter
B
Newton–meter
C
Newton
D
Newton/meter
Question 190Single Answer
The unit of pressure is
A
kg/cm²
B
kg/cm
C
kg/mm
D
kg/cm3
Question 191Single Answer
Which one of the following quantities doe not have unit ?
A
Stress
B
Force
C
Strain
D
Pressure
Question 192Single Answer
Dimensional formula for thermal conductivity is here K denotes the temperature:
A
MLT–2K
B
MLT–2K–2
C
MLT–3K
D
MLT–3K–1
Question 193Single Answer
Which of the following is the unit of molar gas constant ?
A
JK–1 mol–1
B
Joule
C
JK–1
D
J mol–1
Question 194Single Answer
Density of liquid is 16.8 g cm–3. Its value in the International System of Units is
A
16.8 kgm–3
B
168 kgm–3
C
1680 kgm–3
D
16800 kgm–3
Question 195Single Answer
The dimensional formula of couple is
A
[ML² T–2]
B
[MLT²]
C
[ML–1T–3]
D
[ML–2T–2]
Question 196Single Answer
Subtract 0.2 J from 7.26 J and express the result with correct number of significant figures.
A
7.1 J
B
7.06 J
C
7.0 J
D
7 J
Question 197Single Answer
Multiply 107.88 by 0610 and express the result with correct number of significant figures.
A
65.8068
B
65.807
C
65.81
D
65.8
Question 198Single Answer
When 97.52 is divided by 2.54, the correct result is
A
38.3937
B
38.394
C
38.39
D
38.4
Question 199Single Answer
Which of the following is the most accurate ?
A
200.0m
B
20 × 10¹ m
C
2×10²m
D
data is inadequate
Question 200Single Answer
The area of a square is 5.29 cm². The area of 7 such square taking into account the significant figures is:
A
37cm²
B
37.030 cm²
C
37.03 cm²
D
37.0 cm²
Question 201Single Answer
The SI unit of coeffient of mutual inductance of a coil is
A
henry
B
volt
C
farad
D
weber
Question 202Single Answer
The S.I. unit of pole strength is
A
Am²
B
Am
C
Am–1
D
Am–2
Question 203Single Answer
Which is dimensionless ?
A
Force/acceleration
B
Velocity/accerleration
C
Volume/area
D
Energy/work
Question 204Single Answer
The expression [ML–1T–2] does not represent
A
pressure
B
power
C
Stress
D
Young's modulus
Question 205Single Answer
The dimensional formul of current density is
A
[M0L–2T–1Q]
B
[M0L2T1Q–1]
C
[MLT–1Q]
D
[ML–2T–1Q²]
Question 206Single Answer
Match the List – I with List – II
List - I List - II
(Units) (Physical quantity)
A. Watt 1. Electric charge
B. Tesla 2. Power
C. Coulomb 3. Luminous intensity
D. Candela 4. Magnetic field
Select the correct answer from the codes given below :
A
A B C D
1 4 1 3
B
1 2 3 4
C
1 2 4 3
D
2 4 3 1
Question 207Single Answer
Match the List – I with List – II
List - I List - II
(Physical quantity) (Units)
A. Power 1. kg ms–1
B. Energy 2. kg m²s–1
C. Momentum 3. Nm–2
D. Pressure 4. kW
5. kWh
Select the correct answer from the codes given below :
A
A B C D
4 5 1 3
B
4 5 1 2
C
5 4 1 2
D
5 4 2 3
Question 208Single Answer
What is the correct sequence in which the lengths of the following units increase ?
(1) Angstrom
(2) Micron
(3) Nanometer
Select the correct answer from the codes given below :
A
1, 2, 3
B
3, 1, 2
C
1, 3, 2
D
2, 3, 1
Question 209Single Answer
Match the List – I with List – II
List - I List - II
(Physical quantitiy) (Units)
A. Density 1. [MLT–2]
B. Force 2. [ML–3]
C. Energy 3. [MLT–1]
D. Momentum 4. [ML2T–2]
Select the correct answer from the codes given below :
A
A B C D
3 2 4 1
B
1 2 3 4
C
2 1 4 3
D
3 2 1 4
Question 210Single Answer
Match the List – I with List – II
List - I List - II
(Physical quanitity) (Units)
A. Solid angle 1. pascal
B. Impulse 2. Steradian
C. Viscosity 3. Newton–second
D. Pressure 4. Pascal–second
Select the correct answer from the codes given below :
A
A B C D
2 4 3 1
B
2 3 4 1
C
1 4 3 2
D
1 3 4 2
Question 211Single Answer
Which of the following is most accurate ?
A
A screw gauge of least count 0.001 mm
B
A screw gauge having pitch 1 mm and 50 divisions on circular scale
C
A vernier callipers of least count 0.01 mm
D
Vernier callipers having 20 divisions on the sliding scale (vernier scale) coinciding 19 divisions on the main millimetre scale
Question 212Single Answer
Which of the following quantities has a unit but dimensionless ?
A
Strain
B
Reynolds number
C
Angular displacemet
D
Poisson's ratio
Question 213Single Answer
The displacement of a body at a particular second n is given by the expression The dimensional formula of Snth in this equation is
A
[M¹L0T¹]
B
[M0L1T0]
C
[M0L¹T–1]
D
[M0L0T0]
Question 214Single Answer
The division of energy by time is X. The dimensional formula ofX is same as that of
A
momentum
B
power
C
torque
D
electric field
Question 215Single Answer
The dimensions of electromotive force in terms of correntA are
A
[MT-2 A-2]
B
[ML2T-2 A2]
C
[ML2T-2 A -2]
D
[ML2T3 A-1]
Question 216Single Answer
[MLT-1] + [MLT-1] = ………………
A
[M0L0T0]
B
[MLT-1]
C
2[MLT-1]
D
None of these
Question 217Single Answer
Which physical quantities have same dimensions ?
A
Moment of couple and work
B
Force and power
C
Latent heat and specific heat
D
Work in power
Question 218Single Answer
life is charge, V the potential difference, T the temperature, then the units of are the same as that of
A
planck’s constant
B
stefan’s constant
C
Boltzmann constant
D
gravitational constant
Question 219Single Answer
in the eqn. (V - b) = constant, the unit of a is
A
dyne × cm5
B
dyne × cm4
C
dyne × cm3
D
dyne × cm2
Question 220Single Answer
The least count of an instrument is 0.01 cm. Which of the following reding denotes the one, measured by this instrument ?
A
1.04 cm
B
2.001 cm
C
3.1 cm
D
None of these
Question 221Single Answer
Match the List – I and List – II
List – I List – II
A. Wavelength 1. Herze
B. Energy 2. Angstrom
C. Intensity of sound 3. Joule
D. Frequency 4. Decibel
Select the correct answer from the codes given below :
A
A B C D
2 3 4 1
B
1 2 3 4
C
2 3 1 4
D
2 1 3 4
Question 222Single Answer
Match the List – I and List – II
List – I List – II
A. Temperature 1. Kelvin
B.Power 2. Watt
C.Pressure 3. Pascal
D.Force 4. Newton
Select the correct answer from the codes given below :
A
A B C D
2 1 3 4
B
1 2 4 3
C
1 2 3 4
D
2 1 4 3
Question 223Single Answer
Match the List – I and List – II
List – I List – II
Acceleration 1. Joule
Electric current 2. Newton second
Work done 3. Ampere
Impulse 4. Metre per sec2
Select the correct answer from the codes given below :
A
A B C D
1 2 3 4
B
2 3 4 1
C
4 3 1 2
D
3 4 1 2
Question 224Single Answer
Which one of the following statements is correct ?
A
The measurement of mass taken by a spring weighing balance is correct at the place where the spring balance is calibrated for
B
The mesurment of mass taken by a spring weighing balance is correct at the all places
C
The measurement of mass taken by a spring weighing balance is correct at the place where the acceleration due to gravity is same with the place where the spring balance is calibrated for
D
A sping balance cannot be used to mesure mass at any place
Question 225Single Answer
Which one of the following statements is not correct ?
A
The SI unit charge is ampere – second
B
Debye is the unit of dipole moment
C
Resistvity of a wire of length / and area of crosssection a depends upon both / and a
D
The kinetic energy of an length of mass in kg and charge / coulomb when accelerated through a potential difference of V volt, is joule
Question 226Single Answer
If a body is moving at constant speed in a circular path, its
A
velocity is constant and its acceleration is zero
B
velocity and acceleration are both changing direction only
C
velocity and accleration are both increaing
D
velocity is constant and acceleration is changing direction
Question 227Single Answer
A graph is plotted showing the velocity of a car as a function of time. If the graph is a straight line, it means that
A
the car started at rest
B
acceleration was constant
C
acceleration was increasing
D
velocity was constant
Question 228Single Answer
If a car is traveling north on a straight road and its brakes are applied, it will
A
have no acceleration
B
accelerate to the south
C
accelerate to the north
D
accelerate either east or west
Question 229Single Answer
An object moves with a uniform velocity when
A
the forces acting on the object are balanced
B
there is no external force on it
C
Both of (a) and (b)
D
Either (a) or (b)
Question 230Single Answer
The acceleration of a car that speeds up from 12 meters per second to 30 meters per second in 15 seconds
A
2.4 m/s²
B
1.2 m/s²
C
2 m/s²
D
5.2 m/s²
Chemistry
Question 231Single Answer
Which of the following is not a synthetic fibre:
A
Anygora
B
Rayon
C
Nylon
D
Polyster
Question 232Single Answer
Which one of the following is not contained in Portland cement ?
A
Ca3Al2O6
B
Ca3SiO5
C
Ca2SiO4
D
Ca3(PO4)2
Question 233Single Answer
What is the reson for white cement to be white ?
A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium
Question 234Single Answer
Which fertilizer is assimilated directly by the plant ?
A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus
Question 235Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphate
Question 236Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
A
Glass
B
Cement
C
paint
D
Gun powder
Question 237Single Answer
Which one of the following chemicals is used in beauty parlours for hair – setting ?
A
Sulphur based
B
Phosphorus based
C
Silicon based
D
Iron based
Question 238Single Answer
Which one of the following is used as a mordant in dyeing and tanning industry ?
A
Magnesium oxide
B
Magnesium carbonate
C
Magnesium chloride
D
Magnesium sulphate
Question 239Single Answer
Which one of the following substances is used in the manufacture of safety matches ?
A
Red phosphorus
B
White phosphorus
C
Phosphorus trioxide (P2O3)
D
Black phosphorus
Question 240Single Answer
Which one of the following polymeric materials is used for making bullet proof jacket ?
A
Nylon –6, 6
B
Rayon
C
Kevlar
D
Dacron
Question 241Single Answer
Which one of the following is another name of RDX
A
Cyanohydrin
B
Dextran
C
Cyclohexane
D
Cyclonite
Question 242Single Answer
Which one of the following is used as an explosive ?
A
Phosphorus trichloride
B
Mercuric oxide
C
Graphite
D
Nitroglycerine
Question 243Single Answer
Flint glass is obtained from which of the following ?
A
Zinc and barium borosilicate
B
Sand, red lead and potassium carbonate
C
Sodium aluminium borosilicate
D
Pure silica and zinc oxide
Question 244Single Answer
Which one of the following correctly defines the state of glass ?
A
Crystalline solid
B
Super cooled liquid
C
Condensed gas
D
Liquid crystal
Question 245Single Answer
Which one of the following is not used as fertilizer ?
A
Ammonium nitrate
B
Ammonium sulphide
C
Ammonium phosphate
D
Ammonium sulphate
Question 246Single Answer
Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells ?
A
Lithium
B
Sodium
C
Rubidium
D
Caesium
Question 247Single Answer
Which one of the following is NOT true for bleaching powder ?
A
It is used as a reducing agent in chemical industries
B
It is used for bleaching wood pup in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry
Question 248Single Answer
Hard glass having the same ingredientsas soft glass excepts.
A
hard glass have Na in place of K
B
hard glass having K in place of Na
C
hard glass having both Na and K
D
None of the above
Question 249Single Answer
A complete fertilizer provides
A
N,P, K
B
S, K, N
C
S, B, K
D
N, S, P
Question 250Single Answer
Antacids are commonly used to get rid of acidity in the Stomach. A commonly used antacid is.
A
sodium hydrogen phthalate
B
magnesium hydroxide
C
calcium hydroxide
D
manganese acetate
Question 251Single Answer
Annealing of glass is done to.
A
make it brittle
B
make it opaque
C
make it transparent
D
None of the above
Question 252Single Answer
Petrochemicals are obtained from.
A
coal
B
petroleum
C
coal tar
D
All of these
Question 253Single Answer
The use of chemicals for treatment of diseases is called as.
A
isothermotherapy
B
angiotherapy
C
physiotherapy
D
chemotherapy
Question 254Single Answer
Which of the following is a hypnotic drug ?
A
luminal
B
salol
C
catechol
D
chemisol
Question 255Single Answer
Teflon is a polymer of which of the following monomers ?
A
Tetrafluoroethylene
B
Vinyl chloride
C
Acetylene dichloride
D
None of the above/More than one of the above
Question 256Single Answer
LPG used as domestic fuel chiefly contains–
A
Methane
B
Propane
C
Ethylene
D
Butane
E
None of the above/More than one of the above
Question 257Single Answer
Glass is a.
A
liquid
B
colloid
C
non–crystalline amorphous solid
D
crystalline solid
Question 258Single Answer
Which one of the following acids is used for etching glass ?
A
H2SO4
B
HNO3
C
HF
D
HCI
Question 259Single Answer
What is the purpose of adding plasticizers in paint manufacturing process ?
A
They act as a film–forming constituent
B
They reduce the viscosity
C
They prevent the polymerization and condensation
D
They provide elasticity to the film and minimize its cracking
Question 260Single Answer
Which raw material is used in the preperation of soft glass ?
A
K2CO3, SiO2, CaCO3
B
K2CO3, SiO2, PbCO3
C
Na2CO3, SiO2, CaCO3
D
Na2CO3, SiO2, PbO
Question 261Single Answer
What is the composition of nitrolim – a chemical fertilizer ?
A
Nitrogen and limestone
B
Calcium carbide and nitrogen
C
Calcium carbide and carbon
D
None of above
Question 262Single Answer
the major component used in preparation of different type of glasses is.
A
Silica
B
Sodium borate
C
Calcium silicate
D
Sodium silicate
Question 263Single Answer
Salts of which of the following elements provide colours to fireworks ?
A
Zinc and sulphur
B
Potassium and mercury
C
Strontium and barium
D
Chromium and nickel
Question 264Single Answer
Given below are two statements :
Statement I : Phenyl is used as a household germicide.
Statement II : Phenyl is phenol derivative and phenol is an effective germicide.
In the light of the above statement, choose the correct answer from the options given below:
A
Both Statement I and II are correct and Statement II is the correct explanation of Statement I
B
Both Statement I and Statement II are true but Statement II is NOT the correct explanation of Statement I
C
Statement I is correct, but Statement II is incorrect
D
Statement I is incorrect, but Statement II is correct
Question 265Single Answer
Given below are two statements :
Statement I : Coal–based thermal power stations contribute to acid–rain.
Statement II : Oxides of carbon are emitted when coal burns.
In the light of the above statement, choose the correct answer from the options given below:
A
Both Statement I and II are individually correct and Statement II is the correct explanation of Statement I
B
Both Statement I and Statement II are individiaully correct but Statement II is not the correct explanation of Statement I
C
Statement I is correct, but Statement II is incorrect
D
Statement I is incorrect, but Statement II is correct
Question 266Single Answer
Terfenadine is commonly used as a/an.
A
transquilizer
B
antihistamine
C
antimicrobial
D
antibiotic
Question 267Single Answer
Which one of the following is not a tranqualizer ?
A
Equanil
B
Veronal
C
Salvarsan
D
Serotonin
Question 268Single Answer
Barbituric acid and its derivatives are well known.
A
antipyretics
B
analgesics
C
antiseptics
D
tranquilizers
Question 269Single Answer
Which one among is not an analgesic ?
A
Ibuprofen
B
Naproxen
C
Aspirin
D
Valium
Question 270Single Answer
Various phenol derivatives, tincture of iodine (2 – 3%) I 2 in (water/alcohol) and some dyes like methylene blue are.
A
antiseptics
B
disinfectants
C
analgesics
D
antipyretics
Question 271Single Answer
Commonly used antiseptics 'Dettol' is a mixture of.
A
o–chlorophenozylenol + terpeneol
B
o–cresol + terpeneol
C
phenol + terpeneol
D
chloroxylenol + terpeneol
Question 272Single Answer
Which of the following is not an antiseptic drug ?
A
Iodoform
B
Dettol
C
Gammexene
D
Genatian violet
Question 273Single Answer
Which one of the following substances is made from natural raw materials ?
A
Rayon
B
Nylon
C
Polyster
D
Polystyrene
Question 274Single Answer
The polymeric fibre used as a substitute for wool in making synthetic blankets, sweaters, etc. is.
A
nylon
B
teflon
C
orlon
D
bakelite
Question 275Single Answer
The cleaning of dirty clothes by soaps and detergents is deue to a type of molecules called surfactants, which are present in soaps and detergents. The surfactant molecules remove the dirt by.
A
making the cloth slippery
B
producing some gases between the dirt and the cloth
C
dissolving the dirt
D
forming some aggregates of themselves and take away the dirt in the core of the aggregates
Question 276Single Answer
Contact lenses are made from.
A
polyvinyl chloride
B
polystyrene
C
lucite
D
teflon
Question 277Single Answer
On of the occupational health hazards commonly faced by workers of ceramics, pottery and glass industry is.
A
stone formation in gall bladder
B
melanoma
C
silicosis
D
stone formation in kidney
Question 278Single Answer
vermicompost is an/a.
A
inorganic fertilizer
B
toxic substance
C
organic bio fertilizer
D
synthetic fertilizer
Question 279Single Answer
The macro nutrients provided by inorganic fertilizer are.
A
carbon, iron and boron
B
magnesium, manganese and sulphur
C
magnesiu, zinc and iron
D
nitrogen, phosphorus and potassium
Question 280Single Answer
Which one of the following statement is not correct ?
A
Water starts boiling when its vapour pressure becomes equal to amospheric pressure
B
Water is known as universal solvent
C
Permanent hardness of water is due to presence of MgCl2, CaCl2, MgSO4 and CaSO4
D
Density of ice is greater than that of water
Question 281Single Answer
Density of the following polymers is used for making bullet proof windows ?
A
Polycarbonates
B
Polyerethanes
C
Polystyrene
D
Polyamides
Question 282Single Answer
Match the List – I with List – II
List - I List - II
(Substances) (Applications)
A. Aspartame 1. Syunthetic rubber
B. Freon 2. Anti – histamine
C. Neoprene 3. Artificial Sweetener
D. Benadryl 4. Refrigerant
Select correct answer using the codes given below :
A
A B C D
1 3 4 2
B
2 4 1 3
C
3 4 1 2
D
3 1 2 4
Question 283Single Answer
Match the List – I with List – II
List - I List - II
(Noble gas) (Use)
A. Argon 1. In lights for advertising display
B. Neon 2. Airport landing lights and in light houses
C. Krypton 3. Light in photographer's flash gun
D. Xenon 4. In tungsten filament to last longer
Select correct answer using the codes given below :
A
A B C D
3 1 2 4
B
3 2 1 4
C
4 2 1 3
D
4 1 2 3
Question 284Single Answer
Which one is a sublime substance ?
A
Table salt
B
Sugar
C
Iodine
D
Potassium Iodide
Question 285Single Answer
The process of change of liquied state into gaseous state at constant temperature is known as.
A
boiling
B
melting
C
fusion
D
evaporation
Question 286Single Answer
Which one is a surface phenomenon ?
A
Evaporation
B
Boiling
C
Both (a) and (b)
D
None of these
Question 287Single Answer
Jayamkondam in Tamil Nadu is famous for which among the following minerals ?
A
Bauxite
B
Lignite
C
Calcite
D
Magnesite
Question 288Single Answer
Which of the following processes is known as fusion ?
A
change of liquid to solid
B
Change of solid to liquid
C
Change of liquid to vapour
D
Change of gaseous state to solid state
Question 289Single Answer
The one, in which interparticle forces are strongest, is.
A
sodium chloride
B
hydrogen
C
ether
D
carbon dioxide
Question 290Single Answer
Which of the following is compound ?
A
Stainless steel
B
Brass
C
Iron sulphide
D
Diamond
Question 291Single Answer
Which one of the following is non-crystalline or amorphous ?
A
Diamond
B
Graphite
C
Glass
D
Common Salt
Question 292Single Answer
The size of colloidal particles usually lies in the range.
A
10–5 – 10–7 cm
B
10–7 – 10–9 cm
C
10–3 – 10–5 cm
D
10–5 – 10–6 cm
Question 293Single Answer
Oil and water can form a stable dispersion with the help of a third substance commonly called.
A
emulsifier
B
dispersant
C
protective colloid
D
None of these
Question 294Single Answer
Why is helium preferred over hydrogen for use in airships.
A
Helium has a low density
B
Helium has a high density
C
Helium is chemically less reactive
D
Helium is chemically more reactive
Question 295Single Answer
Which one of the following mixture is homogeneous ?
A
Starch and sugar
B
Methanol and water
C
Graphite and charcoal
D
Calcium carbonate and calcium bicarbonate
Question 296Single Answer
A mixture of sulphur and carbon disulphide is.
A
heterogeneous and shows Tyndall effect
B
homogeneous and shows Tyndall effect
C
heterogeneous and does not show Tyndall effect
D
homogeneous and does not show Tyndall effect
Question 297Single Answer
A student, carefully observed the colloidal of starch in water, human blood and cow milk. On the basis of observations, he made certain conclusions given below. Choose the wrong conclusion about colloidal solution.
A
Translucent
B
Components can be separated by ordinary filteration
C
Heterogenous and stable
D
show tyndal effect
Question 298Single Answer
Choose the incorrect statement about true solution.
A
Its components can not be separated by filteration
B
It is opaque and unstable
C
Its particles can not be seen through naked eye
D
It does not show tyndal effect
Question 299Single Answer
Barium sulphate (BaSO4) dispersed in water used diagnostic X–rays is a.
A
Colloid
B
Solution
C
Suspension
D
Foam
Question 300Single Answer
Non–reacting gases have a tendency to mix with each other. This phenomenon is known as.