Latest KVS PRT Science Exam Question (Objective Questions), MCQ in English
Subjects : English, Hindi, General Knowledge & Current Affairs, Reasoning, Computer Literacy, Perspectives on Education and Leadership, Concerned Subject
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
He was in the temper
B
and refused
C
discuss the matter again
D
No error
Question 2Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
A flower makes no garland
B
so we must do a thing together
C
in a unit for a good result
D
No error
Question 3Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
My friend is a software engineer
B
and his wife is doctor
C
so they don’t have enough time for each other
D
No error
Question 4Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
I don’t have much time that
B
I hear you in detail with verbosity
C
tell everything in nutshell
D
No error
Question 5Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
The atmosphere is changing
B
so I have severe pain in my body
C
if you have any painkiller, please give it to me
D
No error
Question 6Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
No one is without fault
B
because no one is God
C
and only God is fault free
D
No error
Question 7Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
Your
B
clock is
C
one hour fast
D
No error
Question 8Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
The lose of jobs
B
is regarded by some as an necessary evil
C
in the fight against infliation
D
No error
Question 9Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
In science, the credit goes to a man
B
who convinces the world
C
not to the man to whom the idea first occurs
D
No error
Question 10Single Answer
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
A
It is only after
B
the match is over
C
that people realize how exciting it is
D
No error
Hindi
Question 11Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
अधम्र
B
अध्रम
C
अधर्म
D
अध्रिम
Question 12Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
स्थायि
B
स्थायी
C
स्थाई
D
स्थाइ
Question 13Single Answer
वर्तनी की दृष्टि से सही शब्द है?
A
महत्व
B
महतव
C
महत्तव
D
महतत्व
Question 14Single Answer
निम्नलिखित में से शुद्ध छांटिए?
A
आयुष्मान
B
आयुश्मान
C
आयुशमान
D
आयुश्यमान
Question 15Single Answer
शुद्ध शब्द नहीं हैं?
A
कवियत्री
B
कौसल्या
C
एश्वर्य
D
श्रृंगार
Question 16Single Answer
शुद्ध वर्तनी है -
A
पूज
B
पुजय
C
पूज्य
D
पुज्य
Question 17Single Answer
शुद्ध वर्तनी है -
A
अनुसरण
B
अनूशरणन
C
अनुशरण
D
अणुशर
Question 18Single Answer
किस क्रमांक में सभी शुद्ध हैं?
A
एक्य,साप्ताहिक
B
आजीविका,आशीर्वाद
C
आर्शिवाद ,अनूकूल
D
निरिक्षण ,कृपालु
Question 19Single Answer
'उज्वल' शब्द का शुद्ध रूप है ?
A
उज्जव
B
उज्ज्ल
C
उज्ज्वल
D
उजवल
Question 20Single Answer
निम्नलिखित प्रश्न में चार वैकल्पिक वर्तनियाॅ दी गई है?
A
जागृत
B
जाग्रति
C
जाग्रित
D
जाग्रत
General Knowledge & Current Affairs
Question 21Single Answer
Yojna a weekly journal
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 22Single 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 23Single 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 24Single Answer
Which Act gave separate electorate rights to Muslims in India ?
A
The Indian Councils Act, 1909
B
The Government of India Act, 1915
C
The Government of India Act, 1919
D
The Government of India Act, 1935
Question 25Single Answer
Who is known as the "Missile Man of India"?
A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan
Question 26Single Answer
Which day is observed on October 1, 2025 to promote elderly care and respect?
A
World Heart Day
B
International Day of Older Persons
C
World Habitat Day
D
International Coffee Day
Question 27Single Answer
Which international day is observed on October 1, 2025 to raise awareness about habitat and urban issues?
A
World Habitat Day
B
World Animal Day
C
International Day of Non-Violence
D
World Teachers' Day
Question 28Single Answer
India's first indigenous 5G mmWave module was developed by which organization on October 1, 2025?
A
DRDO
B
C-DOT
C
BEL
D
ISRO
Question 29Single Answer
The "PM Vishwakarma Scheme" was launched on October 1, 2025, targeting which group?
A
Farmers
B
Artisans and craftsmen
C
Students
D
Senior citizens
Question 30Single Answer
Which international day is observed on October 1, 2025, to honor Mahatma Gandhi?
A
Gandhi Jayanti
B
International Day of Non-Violence
C
World Peace Day
D
Human Rights Day
Reasoning
Question 31Single Answer
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
A
Two
B
Three
C
Five
D
Four
E
None of these
Question 32Single Answer
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
A
True
B
False
C
Uncertain
D
None
Question 33Single Answer
If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.
A
A
B
E
C
T
D
X
E
Y
Question 34Single Answer
How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?
A
None
B
One
C
Two
D
Three
E
More than three
Question 35Single Answer
How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?
A
None
B
One
C
Two
D
Three
E
More than three
Computer Literacy
Question 36Single Answer
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 37Single 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 38Single 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 39Single 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 40Single 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
Perspectives on Education and Leadership
Question 41Single Answer
Which of the following statements is NOT correct ?
A
Development is sequential and orderly
B
Development is influenced only by heredity
C
All spheres of development are interrelated
D
Individuals differ in the rate of development
Question 42Single Answer
Development of children proceeds from ....... to ........
A
abstract : concrete
B
qeneral ; specific
C
toe ; head
D
extremities ; centre
Question 43Single Answer
Thought becomes abstract and idealistic during the period of -
A
Infancy
B
Early childhood
C
Middle childhood
D
Adolescence
Question 44Single Answer
Which stage of development is characterized by lot of harmonal changes and an active search for identity ?
A
Adolescence
B
Infancey
C
Early childhood
D
Middle childhood
Question 45Single Answer
Which period of development comprises each of the following characteristics : establishment of independence, development of identity abstract thinking ?
A
Middle childhood
B
Late childhood
C
Adolescence
D
Early adulthood
Question 46Single Answer
Child development is divided into which of the following domains ?
A
Motor, Psychological, emotional and social
B
Physical, cognitive, spiritual and emotional
C
Physical, cognitive, motor and social
D
Psychological, Physiological, social and emotional
Question 47Single Answer
Which of the following statement is correct ?
A
Development is not sequential
B
Development is disorderly
C
Development is a continuous process
D
Development milestones are not influenced by the cultural context
Question 48Single Answer
Middle childhood refers to the period from -
A
Birth to 5 years
B
Birth to 8 years
C
6 to 11 years
D
11 years and above
Question 49Single Answer
Child Development is a study of the patterns of growth and change taking place from ............ to ...........
A
birth ; middle childhood
B
birth ; adolescence
C
conception ; middle childhood
D
conception ; adolescence
Question 50Single Answer
Which of the following is an example of use of fine motor skills ?
A
Running
B
Walking
C
Scribbling
D
Jumping
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Perspectives on Education and Leadership
Question 51Single Answer
Make-believe play blossoms and supports all aspects of psychological development in .
A
Infancy
B
Early childhood
C
Middle childhood
D
Adolescence
Question 52Single Answer
At which stage of development do children actively engage in make believe play ?
A
Infancy
B
Early childhood
C
Middle childhood
D
Adolescence
Question 53Single Answer
Contemporary theorists consider 'Childhood'
A
as a social construction
B
as a scared period in all cultures
C
as a period of great stress and anxiety
D
as a period of development till the age of puberty
Question 54Single Answer
During the period of childhood, development
A
consists only of quantitative changes
B
is disorderly and disjointed
C
is slow and cannot be measured
D
is multi-layered and complex
Question 55Single Answer
Which one of the following is correctly matched ?
A
Moral - maturation development
B
Social - environment development
C
Cognitive - maturation development
D
Physical - environment development
Question 56Single Answer
Development of concepts is primarily a part of
A
Physical development
B
Social development
C
Emotional development
D
Intellectual development
Question 57Single Answer
Development starts from
A
post-childhood stage
B
pre-natal stage
C
the stage of infancy
D
pre-childhood stage
Question 58Single Answer
Human development is based on certain principles. Which of the following is not a principle of human development ?
A
General to specific
B
Reversible
C
Continuity
D
Sequentiality
Question 59Single Answer
"Development is never ending process". This idea is associated with :
A
Principle of interrelation
B
Principal of continuity
C
Principle of integration
D
Principle of interaction
Question 60Single Answer
In the constructivist structure child is viewed as -
A
Blank state whose life is shaped entitely by his own experience
B
A problem solvers and a scientific investigator
C
Social being who is a passive receiver of the knowledge
D
A physical being who is born with a high sense of morality
Question 61Single Answer
Proximodistal principle is illustrated in which of the following examples ?
A
Intants develop vision before the use of their arms
B
Infants develop cognitive abilities and then learn language
C
Infants first learn to move their torso and then their arms and legs
D
Infants learn cooing before babbling
Question 62Single Answer
Which of the following is an example of gross motor skills ?
A
Balancing on one foot
B
Squeezing a pea
C
Turning page of a book
D
Holding a pencil
Question 63Single Answer
The 'sensitive period' in child development represents -
A
The optimal period for particular capacities to emerge in an individual
B
The development period from conception to birth
C
The development period of transition from childhood to early adulthood
D
The development period of sudden hormonal changes in an individual
Question 64Single Answer
Which of the following statements about development are correct ?
(i) There are individual differences in the rate of development .
(ii) Cognitive development is determined solely be genetics .
(iii) Development follows a predictable pattern .
(iv) All domains of development are inter-related .
A
(i), (ii) and (iii)
B
(i), (ii) and (iv)
C
(i), (iii) and (iv)
D
(i), (ii), (iii) and (iv)
Question 65Single Answer
What is meant by 'sensitive period' in child development ?
A
Period concerning a rapid advances only in cognition and learning
B
Optimal period for development of specific capabilities
C
Period in which development of only language can be accelerated
D
Period at which physical growth is at its peak
Question 66Single Answer
A child learns to run and hop before she can skip. Which principle of development does this illustrate ?
A
All domains of development are inter-related
B
Development follows a predictable pattern
C
Development is discontinuous in nature
D
Development is influenced by both maturation and experience
Question 67Single Answer
A child learns to hop and jump before learning to play football. Which principal of development does this illustrate ?
A
Cephalocaudal
B
Pronimodistal
C
Reversibility
D
Equilibration
Question 68Single Answer
Which principle of development does the following example illustrate -
The development of a child does not take a straight path, it turns back and then moves forward again .
A
Principle of uniformity
B
Principle of spiral advancement
C
Development is uni-directional
D
Development is discontinous
Question 69Single Answer
.......... principle of development states that development of motor skills start from centre of the body and proceeds towards the extremities .
A
Spiral
B
Specificity
C
Proximodistal
D
Cephalocaudal
Question 70Single Answer
Motor and cognitive development happens :
A
Till the period of childhood
B
Till the period of adolescence
C
Till the period of adulthood
D
Throughout the lifespan
Question 71Single Answer
What does the term "maturation" primarily refer to?
A
Environmental influences on development
B
Learned behaviors
C
Genetically driven biological changes
D
Social interactions
Question 72Single Answer
Which principle of development suggests that different areas of development progress at varying rates?
A
Principle of uniformity
B
Principle of individual differences
C
Principle of continuity
D
Principle of interaction
Question 73Single Answer
Which debate centers on the relative contributions of genetic inheritance and environmental factors to human development?
A
Nature vs nurture
B
Stability vs change
C
Continuity vs discontinuity
D
Quantitative vs qualitative
Question 74Single Answer
What is a key developmental challenge of adolescence?
A
Establishing basic trust
B
Developing a sense of identity
C
Learning to walk
D
Adjusting to retirement
Question 75Single Answer
Which of the following is an example of "growth" in a child?
A
Learning to read
B
Increase in height and weight
C
Developing empathy
D
Forming friendships
Question 76Single Answer
The concept of "readiness" in learning is most closely related to:
A
Environmental stimulation
B
Maturation
C
Social interaction
D
Cognitive strategies
Question 77Single Answer
Development is considered a lifelong process, indicating it is:
A
Linear
B
Static
C
Continuous
D
Segmented
Question 78Single Answer
What is the primary focus of "developmental tasks"?
A
Physical exercise routines
B
Age-appropriate skills and challenges
C
Academic achievement standards
D
Social conformity expectations
Question 79Single Answer
Which principle of development emphasizes the interconnectedness of different developmental domains?
A
Principle of sequentiality
B
Principle of integration
C
Principle of differentiation
D
Principle of canalization
Question 80Single Answer
What is the significance of understanding the principles of development for teachers?
A
To enforce strict discipline
B
To tailor instruction to learners' needs
C
To standardize teaching methods
D
To ignore individual differences
Question 81Single Answer
Which domain of development involves changes in thinking, reasoning, and problem-solving?
A
Physical
B
Cognitive
C
Socio-emotional
D
Moral
Question 82Single Answer
What does the socio-emotional domain of development focus on?
A
Motor skills
B
Emotional regulation and social interactions
C
Abstract thinking
D
Ethical reasoning
Question 83Single Answer
Which domain of development is associated with the acquisition of moral values and ethical principles?
A
Physical
B
Cognitive
C
Socio-emotional
D
Moral
Question 84Single Answer
What is the role of physical development in a child's overall growth?
A
Enhancing cognitive abilities
B
Supporting motor skills and physical health
C
Improving social interactions
D
Fostering moral reasoning
Question 85Single Answer
Piaget's stages of cognitive development highlight:
A
Physical milestones
B
Sequential changes in thinking patterns
C
Emotional maturity levels
D
Moral judgment variations
Question 86Single Answer
Erikson's psychosocial stages emphasize the development of:
A
Physical strength
B
Cognitive strategies
C
Personality and social skills
D
Moral principles
Question 87Single Answer
Which of the following is an example of cognitive development in early childhood?
A
Learning to run
B
Developing language skills
C
Forming close friendships
D
Understanding fairness
Question 88Single Answer
What is the significance of socio-emotional development in a school setting?
A
To enhance physical fitness
B
To improve academic performance
C
To foster positive relationships and emotional well-being
D
To develop critical thinking skills
Question 89Single Answer
What is the role of moral development in shaping a child's behavior?
A
Enhancing motor skills
B
Guiding ethical decision-making
C
Improving problem-solving abilities
D
Fostering physical growth
Question 90Single Answer
How does physical development impact other domains of development?
A
It has no impact
B
It provides a foundation for cognitive and socio-emotional growth
C
It primarily affects moral reasoning
D
It only influences language development
Question 91Single Answer
What is a common implication of developmental deviations for a learner?
A
Enhanced social skills
B
Learning difficulties
C
Improved physical coordination
D
Advanced moral reasoning
Question 92Single Answer
Dyscalculia is a specific learning disability that affects:
A
Reading skills
B
Writing skills
C
Mathematical abilities
D
Social skills
Question 93Single Answer
What is the importance of early identification of developmental deviations?
A
To label children
B
To provide timely intervention
C
To exclude children
D
To ignore individual needs
Question 94Single Answer
How does inclusive education benefit learners with developmental deviations?
A
By segregating them
B
By providing a supportive learning environment
C
By ignoring their needs
D
By focusing only on academic skills
Question 95Single Answer
What is a common socio-emotional challenge faced by learners with developmental deviations?
A
Enhanced empathy
B
Social isolation
C
Increased self-esteem
D
Improved communication skills
Question 96Single Answer
What is the primary focus of individualized education programs (IEPs) for learners with developmental deviations?
A
Standardized curriculum
B
Personalized learning goals
C
Segregated instruction
D
Uniform teaching methods
Question 97Single Answer
How can teachers support learners with ADHD in the classroom?
A
By providing lengthy assignments
B
By minimizing distractions
C
By ignoring their needs
D
By enforcing strict discipline
Question 98Single Answer
What is a key implication of developmental deviations for a learner's self-concept?
A
Enhanced self-awareness
B
Lowered self-esteem
C
Increased social confidence
D
Improved emotional regulation
Question 99Single Answer
How does understanding developmental deviations help teachers create an inclusive classroom environment?
A
By promoting segregation
B
By adapting teaching strategies
C
By ignoring individual differences
D
By enforcing strict rules
Question 100Single Answer
What is the term for a developmental deviation affecting physical coordination and movement?
A
Dyscalculia
B
Dyslexia
C
Developmental Coordination Disorder (DCD)
D
Autism Spectrum Disorder (ASD)
Concerned Subject
Question 101Single Answer
In ruby laser, the stimulated emission is due to transition from
A
metastable state to any lower state
B
any higher state of lower state
C
metastable state to ground state
D
any higher state to ground state
Question 102Single Answer
A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is
A
uniform throughout the pipe not zero
B
zero only along the axis of the pipe
C
zero at any point inside the pipe
D
maximum at the centre and minimum at the edge
Question 103Single Answer
convex lens made of glass has focal length 0.15m in air. If the refractive index of glass is 3/2, and that of water is 4/3 the focal length of lens when immersed in water is
A
0.45 m
B
0.15 m
C
0.30 m
D
0.6 m
Question 104Single Answer
Two sources are said to be coherent if they produce waves
A
having a constant phase difference
B
of equal wavelength
C
of equal speed
D
having same shape of wavefront
Question 105Single Answer
Three resistors 1 Ω, 2 Ω, 3Ω resistor a 3 V battery is connected. The current through 3 Ω resistor is -
A
0.75 A
B
1 A
C
2 A
D
1.5 A
Question 106Single Answer
In a common emitter amplifier the input signal is applied across
A
anywhere
B
emitter-collector
C
collector-base
D
base-emitter
Question 107Single Answer
Adding detergents to water helps in removing dirty greasy stains. This is because
1. It increases greasy stains. This is because
2. It decreases the oil-water surface tension
3. It increases the viscosity of the solution
4. Dirt is held suspended surrounded by detergent molecules
A
2 and 4
B
1 only
C
3 and 4
D
4 only
Question 108Single Answer
Choose the correct statement (a) for a cricket ball that is spinning clockwise through air
S1 : Statemlines of air are symmetric around the ball.
S2 : The velocity of air above the ball relative to it is larger than that below the ball.
S3 : The velocity of air above the ball relative to it is smaller than that below the ball.
S4 : There is a net upward force on the ball.
A
S1,S2 and S4
B
S2 and S4
C
S4 only
D
S3 only
Question 109Single Answer
Ferromagnetic materials used in a transformer must have
A
low permeability and high hysterisis loss
B
high permeability and low hysterisis loss
C
high permeability and high hysterisis loss
D
low permeability and low hysterisis loss
Question 110Single Answer
According to Newton’s corpuscular theory, the speed of light is
A
same in all the medium
B
lesser in rarer medium
C
lesser in denser medium
D
independent of the medium
Question 111Single Answer
For the constructive interference the path difference between the two interfering waves must be equal to
A
(2𝜋 + 1)λ
B
2n𝜋
C
nλ
D
n
Question 112Single Answer
The accurate measurement of emf can be obtained using
A
multimeter
B
voltmeter
C
voltameter
D
potentiometer
Question 113Single Answer
A person, with outstretched arms, is spinning on a rotating stool. He suddenly brings his arms down to his sides. Which the following is true about his kinetic energy K and angular momentum L?
A
Both K and L increase
B
Both K and L remain unchanged
C
K remains constant, L increases
D
K increases but L remains constant
Question 114Single Answer
10-6 M NaOH is diluted 100 times. The pH of the diluted base is
A
between 7 and 8
B
between 5 and 6
C
between 6 and 7
D
between 10 and 11
Question 115Single Answer
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is
A
1.93 A
B
9.65 A
C
19.3 A
D
0.965 A
Question 116Single Answer
The one which decreases with dilution is
A
molar conductance
B
conductance
C
specific conductance
D
equivalent conductance
Question 117Single Answer
Vapour pressure of pure ‘A’ is 70 mm of Hg at 25oC. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25oC, the vapour pressure of pure ‘B’ at 25oC is
A
28 mm
B
56 mm
C
70 mm
D
140 mm
Question 118Single Answer
A 6% solution of urea is isotonic with
A
1 M solution of glucose
B
0.05 M solution of glucose
C
6% solution of glucose
D
25% solution of glucose
Question 119Single Answer
In countries nearer to polar region, the roads are sprinkled with CaCl2. This is
A
to minimise the wear and tear of the roads
B
to minimise the snow fall
C
to minimise pollution
D
to minimise the accumulation of dust on the road
Question 120Single Answer
A compound of ‘A’ and ‘B’ crystallises in a cubic lattice in which ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is
A
AB2
B
A2B
C
AB
D
AB3
Question 121Single Answer
In electrophilic aromatic substitution reaction, the nitro group is meta directing because it
A
decreases electron density at ortho and para positions
B
decreases electron density at meta position
C
increases electron density at meta position
D
increases electron density at ortho and para position
Question 122Single Answer
The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with
A
PCI5
B
PCI3
C
SOCl2 in presence of pyridine
D
dry HCl in the presence of anhydrous ZnCl2
Question 123Single Answer
The carbon bond length in benzene is
A
in between C2H6 and C2H4
B
same as in C2H4
C
in between C2H6 and C2H2
D
in between C2H4 and C2H2
Question 124Single Answer
The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is
A
methanal
B
propanal
C
propanone
D
ethanal
Question 125Single Answer
An organic compound x is oxidised by using acidified K2Cr2O7. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structured of X is
A
CH3CH2OH
B
CH3 – C – CH3
C
(CH3)2CHOH
D
CH3CHO
Question 126Single Answer
Arrange the following in the increasing of their. Basic strengths CH3NH2, (CH3)2NH, (CH3)2N, NH3
A
NH3, < (CH3)3N < (CH3)2NH < CH3NH2
B
NH3 < (CH3)3N < CH3NH2 < (CH3)2NH
C
(CH3)3N < NH3 < CH3NH2 < (CH3)2NH
D
CH3NH2 < (CH3)2NH < (CH3)3N , NH3
Question 127Single Answer
The respiratory quotient during cellular respiration would depend on
A
the nature of enzymes involved
B
the nature of the substrate
C
the amount of carbon dioxide released
D
the amount of oxygen utilised
Question 128Single Answer
Which of the following is not a green - house gas ?
A
Water vapour
B
Carbon monoxide
C
Methane
D
Oxygen
Question 129Single Answer
Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is
A
50%
B
75%
C
0%
D
25%
Question 130Single Answer
An animal, which has both exoskeleton and endoskeleton structures is a
A
fresh-water mussel
B
tortoise
C
frog
D
jelly fish
Question 131Single Answer
Identify the group, which includes animals all of which give birth to young ones directly?
A
Dolphin, kangaroo, bat, cat
B
Platypus, penguin, bat, hippopotamus
C
shrew, bat, kiwi, car
D
Lion, whale, ostrich, bat
Question 132Single Answer
Compare the statement A and B. Statement A Blood sugar level falls rapidly after hepatectomy. Statement B The glycogen of the liver is the principal source of blood sugar.
Select the correct description.
A
Both the statements A and B are correct and B is the reason for A
B
Statement A is correct and B is wrong
C
Statement A is wrong and B is correct
D
Both the statements A and B are correct and B is not the reason for A
Question 133Single Answer
What is/are true about heart wood?
(A) It does not help in water conduction.
(B) It is also called laburnum.
(C) It is dark in colour but very soft.
(D) It has tracheary elements which are filled with tannin, resin, etc.
A
B,C and D
B
A and D
C
B and D
D
A, B and C
Question 134Single Answer
Compare the statements A and B. Statement A Auxins promote apical dominance by suppressing the activity of lateral buds. Statement B In moriculature, periodic pruning of shoot tips is done to make mulberry plants bushy.
Select the correct description.
A
Both the statements A and B are correct and A is the reason for B
B
Statement A is correct and B is wrong
C
Statement A is wrong and B is correct
D
Both the statements A and B are correct and A is not the reason for B
Question 135Single Answer
Bryophytes resemble algae is the following aspects
A
Filamentous body, presence of vascular tissues and autotrophic nutrition
B
Differentiation of plant body into root, stem and leaves and autotrophic nutrition
C
Thallus like plant body, presence of roots and autotrophic nutrition
D
Thallus like plant body, lack of vascular tissues and autotrophic nutrition
Question 136Single Answer
Stoma opens, when
A
guard cells swell due to an increase in their water potential
B
guard cells swell by endosmosis duie to influx of hydrogen ions (protons)
C
guard cells swell by endosmosis due to efflux of potassium ions
D
guard cell swell due to a decrease in their water potential
Question 137Single Answer
Which of the following is properly matched ?
A
Platyhelminthes –Trematoda – Planoria
B
Echinodermate – Asteroidea – Star fish
C
arthropoda – Insecta – Spider
D
Mollusca – Cephalopoda – Unio
Question 138Single Answer
A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumour in
A
medulla oblongata
B
pons
C
cerebellum
D
hypothalamus
Question 139Single Answer
The agents, which are known to cause CJD are
A
protein particles
B
a class of bacteria
C
a class of viruses
D
fungi
Question 140Single 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 141Single Answer
Electron volt is a unit of
A
potential difference
B
charge
C
energy
D
capacity
Question 142Single Answer
Dimensions of impulse are
A
[MLT –1]
B
[MLT²]
C
[MT–2]
D
[ML–1T–3]
Question 143Single Answer
Potential is measured in
A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these
Question 144Single Answer
One Nanometer is equal to
A
10–9m
B
10–6m
C
10–10m
D
10–3m
Question 145Single Answer
Maxwell is the unit of
A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability
Question 146Single Answer
Which of the following is derived physical quantity ?
A
Mass
B
Velocity
C
Length
D
Time
Question 147Single 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 148Single 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 149Single Answer
The dimensions of Rydberg's constant are
A
[M0L–1T]
B
[MLT–1]
C
[M0 L–1T0]
D
[ML0 T2]
Question 150Single Answer
'Farad' is the unit of
A
resistance
B
conductance
C
capacitance
D
inductance
Question 151Single Answer
S.I. unit of surface tension is
A
degree/cm
B
N/m
C
N/m²
D
Nm
Question 152Single 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 153Single 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 154Single Answer
Which of the following is not a synthetic fibre:
A
Anygora
B
Rayon
C
Nylon
D
Polyster
Question 155Single Answer
Which one of the following is not contained in Portland cement ?
A
Ca3Al2O6
B
Ca3SiO5
C
Ca2SiO4
D
Ca3(PO4)2
Question 156Single 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 157Single Answer
Which fertilizer is assimilated directly by the plant ?
A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus
Question 158Single 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 159Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
A
Glass
B
Cement
C
paint
D
Gun powder
Question 160Single 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 161Single 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 162Single 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 163Single 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 164Single Answer
Which one of the following is another name of RDX
A
Cyanohydrin
B
Dextran
C
Cyclohexane
D
Cyclonite
Question 165Single Answer
Which one of the following is used as an explosive ?
A
Phosphorus trichloride
B
Mercuric oxide
C
Graphite
D
Nitroglycerine
Question 166Single 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 167Single 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 168Single Answer
Which of the following contain enzymes for cellular respiration ?
A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria
Question 169Single Answer
Which one among the following nutrients is a strctural
A
Cell membrane
B
Plasma membrane
C
Cell wall
D
Nucleus
Question 170Single 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 171Single 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 172Single Answer
For which among the following is not a true fruit ?
A
Apple
B
Date
C
Grape
D
Plum
Question 173Single Answer
Which one of the following is not a constituent of cell membrane ?
A
Cholesterol
B
Glycoplids
C
Proline
D
Phospholipids
Question 174Single 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 175Single Answer
During which stage of mitosis does cytokinesis usually occur in animals ?
A
Phophase
B
Metaphase
C
Anaphase
D
Telophase
Question 176Single Answer
Lysosome arises from
A
endoplasmic reticulum
B
golgi apparatus
C
nucleus
D
mitochondria
Question 177Single 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 178Single 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 179Single Answer
F1 particles / oxysome / elementary particles are present in