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General Science — NDA General Ability PYQs

1,304 previous year questions from General Science with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

1,304 questionsGeneral AbilitySolutions on every page
1

For an object in gravitational field, the gravitational potential is the same at two points A and B , but the gravitational field is not the same at these two points. Which one of

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2

A very large container consists of an ideal gas. The speed of sound in the gas is x . When the pressure of the gas is doubled while keeping the temperature constant, the speed of s

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3

A constant power machine pulls a block on a smooth horizontal surface. Which one of the following correctly describes the relation between speed of the block (v) and time (t) ?

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4

A ball is dropped from rest from height h above the ground in frame S (the Earth's frame). Another frame S' is moving upwards with constant speed u relative to the Earth. In frame

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5

A pendulum of length L oscillates with an angular amplitude of = 60^ and time period T . Let T₀ = 2 L g be the time period for small angle of oscillations, where g is the accelerat

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6

A solid of mass m has temperature-dependent specific heat as C(T) = C₀ + T , where C₀ and are constants. The solid is heated from T₁ to T₂ . Which one of the following is the corre

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7

In a certain process, the relation between pressure (P) and volume (V) , for an ideal gas, is given by PV^2 = constant . If the initial temperature is T₁ and the final temperature

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8

An object is placed far beyond the centre of curvature of a concave mirror. The object then starts accelerating towards the mirror. Which one of the following is correct?

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9

A person jumps from a height on soft sand. Which one of the following is the correct reason for less likely injury to the person?

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10

One year at a planet is 8 times as large as compared to the one year at the Earth. Which one of the following is correct about the planet's orbit?

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11

A particle is moved from point X to point Y under a force field. The work done depends only on the initial and final speeds. Which one of the following is correct?

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12

A lightning rod with sharp tip reduces damage risk. Which one of the following is the primary reason for it?

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13

What is the upward force acting on a skydiver of mass 60 , kg who is falling at a uniform speed of 2 , m/s ?

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14

It has been observed that a mirror always forms the image between the pole and the focus, irrespective of the location of the object. Which one of the following is correct in respe

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15

With respect to electromagnetic waves, the human eye is sensitive to

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16

A glass slab of refractive index 1.5 is cut in the shape of a parallelepiped ABCD as shown in the figure. Surface BC is polished to form a perfect reflector. Light is incident at s

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17

Three wires each of length L , cross-sectional area A and resistivity are connected as shown in the figure. These are to be replaced by another wire of same resistivity such that t

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18

The force-time (F - t) graph of a 10 , kg moving object is shown below: What is the final speed of the object?

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19

If x is the number of electrons and y is the number of nucleons present in ³²₁₆ S ²⁻ , then which one of the following is correct?

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20

The position vector of a particle is given by r = 3 ,t^2 i + 2 ,t j + 5 , k . Which one of the following statements is correct?

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21

Two forces of equal magnitude simultaneously act at a point. It is observed that the resultant force is equal in magnitude to the individual forces. Which of the following statemen

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22

Consider the following statements: I. A colloid and a suspension are heterogeneous mixtures. II. Colloids can be separated from the mixture by the process of centrifugation. III. P

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23

A non-volatile solid solute may be separated from a solution by which of the following processes? I. Evaporation II. Crystallization Select the correct answer using the code given

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24

Which of the following are oxidation reactions? I. Rusting of iron II. Burning of fuel III. Rancidity of oils and fats IV. Browning of fruits Select the correct answer using the co

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25

Consider the following statement: 'Acids are substances that dissociate in water to give hydrogen ions H ^+ (aq), and bases are substances that produce hydroxyl ions OH ^- (aq).' T

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26

A 5 , g piece of ice at -20^ C is put into m kg of water at 30^ C temperature. The heat is exchanged only between the ice and the water. The final temperature of the mixture is 0^

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27

A floating body is in stable state. Which one of the following is correct?

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28

Superphosphate of lime, a phosphate fertilizer, is obtained by the reaction of

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29

1.7 , g of silver nitrate is dissolved in 100 , g of water, and 0.585 , g of sodium chloride is dissolved in 100 , g of water. Both are mixed and a chemical reaction occurs. 1.435

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30

Consider the following statements: I. Pine oil is used as antifoaming agent in the emulsion paints. II. Protective colloids are used in the emulsion paints to decrease their stabil

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31

Which of the following statements is/are correct with regard to Nitrolim? I. It is prepared by heating calcium carbide with nitrogen. II. It decomposes into ammonia in soil. III. I

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32

Consider the following statements: I. Soaps are sodium or potassium salts of long-chain carboxylic acids. II. The properties of catenation and isomerism in the element carbon are a

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33

Consider the following pairs of reactions and properties: Reactions Properties I. Fe(s) + 2 HCl(aq) FeCl ₂ (aq) + H ₂ (g) Fe is reductant II. Zn(s) + CuSO ₄ (aq) ZnSO ₄ (aq) + Cu(s

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34

Which of the following properties of alveoli is/are helpful in gaseous exchange during respiration in human beings? I. The epithelial lining of alveoli is very thin. II. Elastic fi

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35

A periscope uses two plane mirrors inclined at 45^ . If the tube of the periscope is filled with a complete transparent liquid of refractive index 1.5 , then which one of the follo

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36

In which one of the following groups of animals, oestrus cycle is not observed?

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37

Which one of the following tissues in plants is usually without protoplast and regarded as dead cells?

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38

In which cell does the first meiotic cell division take place during the process of spermatogenesis?

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39

Consider the following statements in respect of cell and its structure: I. All cells possess cell wall. II. All cells have ribosomes present inside. III. All cells have well-organi

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40

In which of the following parts of organisms, the process of gaseous exchange during respiration does not take place?

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41

A light ray is falling on a face of an equilateral glass prism as shown in the figure: Which one of the following diagrams correctly shows the complete path of the ray through the

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42

Which one of the following respiratory volumes of human lung is the lowest?

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43

Which one of the following valves guards the opening between the right ventricle and the pulmonary artery?

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44

Which one of the following forms of carbon is thermodynamically most stable?

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45

Consider the following pairs: I. Pigment TiO ₂ II. Drier Turpentine III. Thinner Naphthenates IV. Antiskinning agent Polyhydroxy phenol How many of the pairs given above are correc

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46

Consider the following: I. AlCl ₃ II. NH ₃ III. BF ₃ IV. FeCl ₃ How many of the above are Lewis acids?

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47

Which of the following is/are the physical test(s) employed for the manufacture of paper? I. Mechanical and strength properties II. Surface properties III. Optical properties IV. P

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48

Which part of the plant or flower contributes in the form of false fruit like apple?

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49

Which one of the following parts of an ovule possesses reserve food?

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50

For an ideal gas, a process is described by P = kT , where k is a constant. If the molar heat capacity for this process is C , then which one of the following is correct (where the

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51

Which one of the following statements is NOT correct?

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52

Which one of the following particles in the nucleus of an atom was discovered by J. Chadwick?

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53

Which one of the following statements is correct?

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54

Which one of the following findings is NOT observed in Rutherford's Nuclear Model of Atom?

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55

Element X forms a chloride with the formula XCl₂ , which is a solid with high melting point. X would most likely be in the same group of periodic table as

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56

Which one of the following oxides is a neutral oxide?

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57

Which one of the following is also known as Dry ice in its solid form?

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58

Which one of the following statements is NOT correct?

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59

Which one of the following statements is NOT correct?

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60

Which one of the following statements about a compound is NOT correct?

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61

Which one of the following nitrogen oxides may dimerize?

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62

Which one of the following statements regarding oxidation and reduction reactions is NOT correct?

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63

Match List I with List II and select the answer using the code given below the Lists: List I (Chemical Name) List II (Chemical Formula) A. Washing soda 1. CaOCl₂ B. Baking soda 2.

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64

Match List I with List II and select the answer using the code given below the Lists: List I (Physical Quantity) List II (SI Unit) A. Temperature 1. Kelvin B. Weight 2. Kilogram C.

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65

Cambium is an example of

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66

What happens when the fat and oil containing food materials are left outside for a long time?

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67

The vector of malaria parasites is

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68

Initial discovery of antibiotic penicillin was done by

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69

Which is the correct base pairing found in a normal DNA molecule?

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70

Vitamin B1 is also known as

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71

An object is placed between infinity and the pole (P) of a convex mirror. The position of the image is

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72

Which of the following pairs is/are correctly matched? 1. Malaria : Mycobacterium 2. TB : Plasmodium Select the answer using the code given below:

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73

The work done in moving a charge of 2 coulomb (C) from point A to point B is 24 J. What is the potential difference between A and B?

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74

The universal constant of gravitation G has the unit

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75

The frequency ( f ), wavelength ( ) and speed ( v ) of a sound wave are related as

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76

The length of a simple pendulum is increased four times to its previous value while the mass is doubled. What is the ratio of the new and previous time period of the pendulum?

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77

What happens when the sunlight travels through the Earth's atmosphere?

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78

Which one of the following is NOT a basic property of electric charge?

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79

When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of the force is equal to 1. the mass of the body 2. th

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80

If the length of a copper wire is increased by twice, then its resistivity will be

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81

Which one of the following is dimensionless quantity?

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82

A system that does NOT allow exchange of heat with its surrounding is called

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83

The lactic acid that gets accumulated in the muscle cells during rigorous exercise causing muscle cramps is produced from

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84

If the speed of light in carbon disulfide and vacuum is X and Y respectively, then

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85

A chain of peptide containing linear sequences of amino acid linked by peptide bonds best represent the

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86

A current through a horizontal power line flows in east to west direction. What will be the direction of magnetic field at a point directly below it when viewed from east end?

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87

Which one among the following elements is known to be discovered the earliest?

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88

Clotting of blood involves which one among the following clotting proteins?

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89

Which one of the following equations related to the motion of an object is NOT correct? (Symbols carry their usual meanings)

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90

Which one of the following is a non-conventional source of energy?

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91

Which one of the following statements is NOT correct?

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92

At uniform speed the acceleration is

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93

The focal length of a concave lens is 0·5 m. The power of the lens is

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94

If three resistors of 1 Ohm each connect in parallel to each other the resultant resistance is

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95

The rule to determine the direction of a force experienced by a straight current carrying conductor placed in a magnetic field which is perpendicular to it is

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96

One parsec in astronomical units (A.U.) is about

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97

A car has an initial velocity of 12 m/s and is brought to rest over a distance of 45 m. The acceleration of the car is

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98

The magnetic field inside a long straight solenoid-carrying current

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99

Which one of the following statements for second law of motion is NOT correct?

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100

Which one of the following statements for the work done by gravity on a body is NOT correct?

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101

The temperature of a body increases from 310 K to 340 K. The temperature increase in degree Celsius is

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102

Two bodies of unequal masses are dropped from a tower. At any instant, they have equal

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103

Which one among the following statements is correct?

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104

The energy, E , of a photon can be expressed as E = hf where f is the frequency and h is Planck's constant. The dimensions of h are the same as that of

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105

Which one of the following wavelength radiations may correspond to an X-ray?

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106

The magnetic field inside a current carrying very long solenoid is

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107

The temperature at which "vapour pressure of the liquid in an open vessel becomes equal to the atmospheric pressure" is called

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108

Which one of the following statements about surface tension is correct?

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109

A body sinks in water when

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110

Why a fielder in the ground gradually pulls his hands backward while catching a fast moving cricket ball?

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111

When a light ray passes through from air to water with a non-zero angle the ray will be

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112

Bottom of a tank containing water appears to be raised. It is due to

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113

Which one of the following radiations has longer wavelength?

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114

We hear an echo due to

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115

A person can see nearby objects clearly but cannot see distant object distinctly, the person is suffering with

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116

The energy is always conserved for a system which is

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117

Suppose, a ball of mass M is thrown upwards from a point A and it reaches up to the highest point B and returns back to point A, which one among the following is correct?

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118

The reaction that occurs on passing carbon dioxide gas through lime water is

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119

Which one of the following statements is NOT correct?

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120

Which one of the following is NOT present in cement?

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