Question for UPPSC LT Grade Assistant Teacher (Science) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest UPPSC LT Grade Assistant Teacher Science Exam Question (Objective Questions), MCQ in English

Subjects : General Studies, Science

Question Bank UPPSC LT Grade Assistant Teacher (Science) Exam - English

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General Studies

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single 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 3Single 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 4Single 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 5Single 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 6Single Answer

Consider the following with reference to the East India Association organised in London:
1. It was founded by Dadabhai Naoroji.
2. The organisation aimed to present correct information about India to the British public and voice Indian grievances.
3. The East India Association incorporated the National Indian Association before the Komagata Maru incident.
Select the correct answer using the codes below.

A
1 and 2 only
B
2 and 3 only
C
3 only
D
1 and 3 only

Question 7Single Answer

The Cripps mission was an attempt by the British government to

A
Extend communal representation in the Imperial legislature
B
Convince the Congress to join the Central legislature
C
Secure full Indian cooperation and support for their efforts in World War II
D
Conclude the Round Table Conferences Successfully

Question 8Single Answer

The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?

A
51:52
B
52:53
C
51:53
D
52:55

Question 9Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 10Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 11Single Answer

Arrange in descending order: 5/8, 7/10, 3/4

A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4

Question 12Single Answer

What is (3^{^}{4} times 9^{^}{2}) ?

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

Question 13Single Answer

When Uttar Pradesh got it officially as statehood ?

A
24 January, 1950
B
26 January, 1952
C
1 January, 1956
D
18 February, 1957

Question 14Single Answer

How many districts are there in Uttar Pradesh

A
60
B
57
C
75
D
87

Question 15Single Answer

What are the official languages of Uttar Pradesh ?

A
Hindi & Urdu
B
Only Hindi
C
Only Urdu
D
Kumaoni

Question 16Single Answer

How many members of Lok Sabha from Uttar Pradesh ?

A
56
B
78
C
80
D
51

Question 17Single Answer

How many members of Rajya Sabha from Uttar Pradesh ?

A
45
B
51
C
31
D
77

Question 18Single Answer

What is the state flower of Uttar Pradesh ?

A
Lily
B
Rose
C
Palash
D
Sunflower

Question 19Single Answer

What is state sport of Uttar Pradesh ?

A
Field Hockey
B
Cricket
C
Football
D
Swimming

Question 20Single Answer

How many total cities / towns in Uttar Pradesh ?

A
567
B
450
C
689
D
510

Question 21Single Answer

What is state dance of Uttar Pradesh ?

A
Kathak
B
Rauf
C
Kathakali
D
Bharat Natyam

Question 22Single Answer

What is state tree of Uttar Pradesh ?

A
Neem
B
Peepal
C
Ashok
D
Mango

Question 23Single Answer

"Who said, 'India was a parrot unto itself'?

A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan

Question 24Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 25Single Answer

Who is known as the "Father of the Indian Renaissance" ?

A
Raja Ram Mohan Roy
B
Swami Vivekananda
C
Rabindranath Tagore
D
Mahatma Gandhi

Question 26Single Answer

What is the primary purpose of agriculture?

A
To produce energy
B
To cultivate crops and rear animals for food, fiber, and other products
C
To develop urban areas
D
To promote tourism

Question 27Single Answer

In a centrally planned economy, what is the primary mechanism for resource allocation?

A
Market prices
B
Government directives
C
Consumer preferences
D
Private enterprise

Question 28Single Answer

What major defence-related development was highlighted on 1 May 2026 involving India and Italy?

A
Joint naval exercise in the Indian Ocean
B
Purchase of Rafale jets
C
Rajnath Singh-Italy Defence Pact
D
Signing of a nuclear agreement

Question 29Single Answer

Which satellite was launched by ISRO around early May 2026?

A
GSAT-31
B
Chandrayaan-4
C
INSAT-4CR
D
GSAT-32

Question 30Single Answer

What is Prerna 2.0, launched/introduced in the news on 1 May 2026?

A
A new defence missile system
B
Green hydrogen mission
C
AI Tutoring initiative
D
Digital payment platform

Science

Question 31Single 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 32Single 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 33Single 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 34Single 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 35Single 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 36Single Answer

In a common emitter amplifier the input signal is applied across

A
anywhere
B
emitter-collector
C
collector-base
D
base-emitter

Question 37Single 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 38Single 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 39Single 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 40Single 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 41Single 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 42Single 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 43Single Answer

The one which decreases with dilution is

A
molar conductance
B
conductance
C
specific conductance
D
equivalent conductance

Question 44Single Answer

Vapour pressure of pure ‘A’ is 70 mm of Hg at 25^oC. 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 25^oC, the vapour pressure of pure ‘B’ at 25^oC is

A
28 mm
B
56 mm
C
70 mm
D
140 mm

Question 45Single 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 46Single 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 47Single 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 48Single 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 49Single 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 50Single 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

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Science

Question 51Single 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 52Single Answer

Electron volt is a unit of

A
potential difference
B
charge
C
energy
D
capacity

Question 53Single Answer

Dimensions of impulse are

A
[MLT ^–1]
B
[MLT²]
C
[MT^–2]
D
[ML^–1T^–3]

Question 54Single Answer

Potential is measured in

A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these

Question 55Single Answer

One Nanometer is equal to

A
10^–9m
B
10^–6m
C
10^–10m
D
10^–3m

Question 56Single Answer

Maxwell is the unit of

A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability

Question 57Single Answer

Which of the following is derived physical quantity ?

A
Mass
B
Velocity
C
Length
D
Time

Question 58Single 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 59Single 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 60Single Answer

The dimensions of Rydberg's constant are

A
[M⁰L^–1T]
B
[MLT^–1]
C
[M⁰L^–1T⁰]
D
[ML⁰T²]

Question 61Single Answer

'Farad' is the unit of

A
resistance
B
conductance
C
capacitance
D
inductance

Question 62Single Answer

S.I. unit of surface tension is

A
degree/cm
B
N/m
C
N/m²
D
Nm

Question 63Single 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 64Single 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 65Single Answer

The symbol of SI unit of inductance is H. It stands for

A
Holm
B
Halogen
C
Henry
D
Hertz

Question 66Single 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 67Single Answer

Which one of the following is not a dimension less quantity ?

A
Strain
B
Relative density
C
Frequency
D
Angle

Question 68Single 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 69Single Answer

The dimensions of magnetic moment are

A
[L²A¹]
B
[L²A^–1]
C
[L²/A³]
D
[LA²]

Question 70Single Answer

The dimensions of Wien's constant are

A
[ML⁰TK]
B
[M⁰LT⁰K]
C
[M⁰L⁰TK]
D
[MLTK]

Question 71Single 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 72Single Answer

The dimensional of Hubble ‘s wave number is

A
[T^–1]
B
[M⁰L⁰T^–2]
C
[MLT⁴]
D
[MT^–1]

Question 73Single Answer

The dimensions of solar constant is

A
[M⁰L⁰T⁰]
B
[MLT^–2]
C
[ML²T^–2]
D
MT^–3

Question 74Single Answer

The dimensional formula for entropy is

A
[MLT^–2K¹]
B
[ML² T^-2]
C
[ML²T^–2K^–1]
D
[ML²T^–2K]

Question 75Single 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 76Single Answer

The physical quantity which has the dimensional formula [M¹T^–3] is

A
surface tension
B
solar constant
C
density
D
compressibility

Question 77Single Answer

Which one of the following elements is used as a timekeeper in atomic clocks ?

A
Potassium
B
Caesium
C
Calcium
D
Magnesium

Question 78Single 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 79Single Answer

What is the unit of pressure ?

A
Newton/sq. meter
B
Newton–meter
C
Newton
D
Newton/meter

Question 80Single Answer

The unit of pressure is

A
kg/cm²
B
kg/cm
C
kg/mm
D
kg/cm³

Question 81Single Answer

Which one of the following quantities doe not have unit ?

A
Stress
B
Force
C
Strain
D
Pressure

Question 82Single 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 83Single 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 84Single 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 85Single Answer

The dimensional formula of couple is

A
[ML² T^–2]
B
[MLT²]
C
[ML^–1T^–3]
D
[ML^–2T^–2]

Question 86Single 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 87Single 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 88Single 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 89Single Answer

Which of the following is the most accurate ?

A
200.0m
B
20 × 10¹ m
C
2×10²m
D
data is inadequate

Question 90Single 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 91Single Answer

The SI unit of coeffient of mutual inductance of a coil is

A
henry
B
volt
C
farad
D
weber

Question 92Single Answer

The S.I. unit of pole strength is

A
Am²
B
Am
C
Am^–1
D
Am^–2

Question 93Single Answer

Which is dimensionless ?

A
Force/acceleration
B
Velocity/accerleration
C
Volume/area
D
Energy/work

Question 94Single Answer

The expression [ML^–1T^–2] does not represent

A
pressure
B
power
C
Stress
D
Young's modulus

Question 95Single Answer

The dimensional formul of current density is

A
[M⁰L^–2T^–1Q]
B
[M⁰L²T¹Q^–1]
C
[MLT^–1Q]
D
[ML^–2T^–1Q²]

Question 96Single 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 97Single 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 98Single 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 99Single 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 100Single 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 101Single Answer

Which of the following is not a synthetic fibre:

A
Anygora
B
Rayon
C
Nylon
D
Polyster

Question 102Single Answer

Which one of the following is not contained in Portland cement ?

A
Ca₃Al₂O₆
B
Ca₃SiO₅
C
Ca₂SiO₄
D
Ca₃(PO₄)₂

Question 103Single 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 104Single Answer

Which fertilizer is assimilated directly by the plant ?

A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus

Question 105Single 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 106Single Answer

What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?

A
Glass
B
Cement
C
paint
D
Gun powder

Question 107Single 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 108Single 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 109Single 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 110Single 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 111Single Answer

Which one of the following is another name of RDX

A
Cyanohydrin
B
Dextran
C
Cyclohexane
D
Cyclonite

Question 112Single Answer

Which one of the following is used as an explosive ?

A
Phosphorus trichloride
B
Mercuric oxide
C
Graphite
D
Nitroglycerine

Question 113Single 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 114Single 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 115Single Answer

Which one of the following is not used as fertilizer ?

A
Ammonium nitrate
B
Ammonium sulphide
C
Ammonium phosphate
D
Ammonium sulphate

Question 116Single 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 117Single 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 118Single 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 119Single Answer

A complete fertilizer provides

A
N,P, K
B
S, K, N
C
S, B, K
D
N, S, P

Question 120Single 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 121Single 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 122Single Answer

Petrochemicals are obtained from.

A
coal
B
petroleum
C
coal tar
D
All of these

Question 123Single Answer

The use of chemicals for treatment of diseases is called as.

A
isothermotherapy
B
angiotherapy
C
physiotherapy
D
chemotherapy

Question 124Single Answer

Which of the following is a hypnotic drug ?

A
luminal
B
salol
C
catechol
D
chemisol

Question 125Single 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 126Single 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 127Single Answer

Glass is a.

A
liquid
B
colloid
C
non–crystalline amorphous solid
D
crystalline solid

Question 128Single Answer

Which one of the following acids is used for etching glass ?

A
H₂SO₄
B
HNO₃
C
HF
D
HCI

Question 129Single 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 130Single 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, SiO_2,PbO

Question 131Single 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 132Single 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 133Single 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 134Single 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 135Single 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 136Single Answer

Terfenadine is commonly used as a/an.

A
transquilizer
B
antihistamine
C
antimicrobial
D
antibiotic

Question 137Single Answer

Which one of the following is not a tranqualizer ?

A
Equanil
B
Veronal
C
Salvarsan
D
Serotonin

Question 138Single Answer

Barbituric acid and its derivatives are well known.

A
antipyretics
B
analgesics
C
antiseptics
D
tranquilizers

Question 139Single Answer

Which one among is not an analgesic ?

A
Ibuprofen
B
Naproxen
C
Aspirin
D
Valium

Question 140Single 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 141Single Answer

Commonly used antiseptics 'Dettol' is a mixture of.

A
o–chlorophenozylenol + terpeneol
B
o–cresol + terpeneol
C
phenol + terpeneol
D
chloroxylenol + terpeneol

Question 142Single Answer

Which of the following is not an antiseptic drug ?

A
Iodoform
B
Dettol
C
Gammexene
D
Genatian violet

Question 143Single Answer

Which one of the following substances is made from natural raw materials ?

A
Rayon
B
Nylon
C
Polyster
D
Polystyrene

Question 144Single 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 145Single 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 146Single Answer

Contact lenses are made from.

A
polyvinyl chloride
B
polystyrene
C
lucite
D
teflon

Question 147Single 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 148Single Answer

vermicompost is an/a.

A
inorganic fertilizer
B
toxic substance
C
organic bio fertilizer
D
synthetic fertilizer

Question 149Single 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 150Single 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 MgCl_2,CaCl_2,MgSO₄ and CaSO₄
D
Density of ice is greater than that of water

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