PHYSICS (1–50)
1. SI unit of force is:
A) Joule
B) Newton
C) Watt
D) Pascal
2. Work done is zero when angle between force and displacement is:
A) 0°
B) 30°
C) 90°
D) 180°
3. Speed of light in vacuum is:
A) 3×10⁶ m/s
B) 3×10⁸ m/s
C) 3×10⁵ m/s
D) 3×10⁷ m/s
4. SI unit of power is:
A) Joule
B) Watt
C) Newton
D) Volt
5. Ohm’s law states:
A) V = IR
B) V = I/R
C) I = VR
D) R = VI
6. Resistance of a conductor increases when:
A) Length increases
B) Area increases
C) Temperature decreases
D) Voltage increases
7. Acceleration due to gravity is maximum at:
A) Equator
B) Poles
C) Center of Earth
D) Space
8. Kinetic energy depends on:
A) Mass only
B) Velocity only
C) Both mass and velocity
D) Time
9. SI unit of pressure is:
A) Pascal
B) Joule
C) Newton
D) Watt
10. Lens used to correct myopia:
A) Convex
B) Concave
C) Cylindrical
D) Bifocal
11. Speed is defined as:
A) Distance × Time
B) Distance / Time
C) Time / Distance
D) Force / Mass
12. Work is said to be done when:
A) Force is applied
B) Displacement occurs
C) Energy is lost
D) Mass increases
13. Inertia depends on:
A) Force
B) Mass
C) Velocity
D) Pressure
14. Newton’s third law is based on:
A) Inertia
B) Action-reaction
C) Gravity
D) Friction
15. SI unit of current is:
A) Volt
B) Ohm
C) Ampere
D) Watt
16. Device converting electrical energy into mechanical energy:
A) Generator
B) Motor
C) Transformer
D) Battery
17. Frequency is measured in:
A) Joule
B) Hertz
C) Newton
D) Pascal
18. Light travels fastest in:
A) Water
B) Glass
C) Vacuum
D) Air
19. Mirror used in vehicles:
A) Plane
B) Concave
C) Convex
D) Cylindrical
20. Electric power formula is:
A) V/I
B) VI
C) IR
D) V²R
21. SI unit of energy is:
A) Joule
B) Watt
C) Newton
D) Pascal
22. Work done formula:
A) F × d
B) m × a
C) V × I
D) P × t
23. Resistance depends on:
A) Length and area
B) Mass
C) Time
D) Force
24. Gravity acts:
A) Upwards
B) Downwards
C) Sideways
D) Circular
25. Sound travels fastest in:
A) Air
B) Water
C) Steel
D) Vacuum
26. Echo is due to:
A) Refraction
B) Reflection
C) Diffraction
D) Dispersion
27. SI unit of wavelength:
A) Meter
B) Hertz
C) Newton
D) Joule
28. Electric current is flow of:
A) Protons
B) Neutrons
C) Electrons
D) Atoms
29. Power is:
A) Work/Time
B) Force × Distance
C) Mass × Velocity
D) Energy × Time
30. Heat is a form of:
A) Matter
B) Energy
C) Force
D) Mass
31. Temperature is measured by:
A) Barometer
B) Thermometer
C) Ammeter
D) Voltmeter
32. SI unit of temperature:
A) Celsius
B) Kelvin
C) Fahrenheit
D) Joule
33. Good conductor of electricity:
A) Rubber
B) Wood
C) Copper
D) Plastic
34. Insulator is:
A) Iron
B) Aluminium
C) Glass
D) Copper
35. Force equals:
A) m/a
B) m×a
C) a/m
D) m+a
36. Mass is measured in:
A) Newton
B) Kilogram
C) Joule
D) Watt
37. Weight depends on:
A) Mass only
B) Gravity only
C) Both mass and gravity
D) Volume
38. SI unit of velocity:
A) m/s
B) m²
C) kg
D) N
39. Displacement is:
A) Scalar
B) Vector
C) Force
D) Energy
40. Friction always opposes:
A) Energy
B) Motion
C) Mass
D) Force
41. Light behaves as:
A) Particle only
B) Wave only
C) Both wave and particle
D) None
42. Sound cannot travel in:
A) Solid
B) Liquid
C) Gas
D) Vacuum
43. Frequency unit is:
A) Hertz
B) Joule
C) Newton
D) Watt
44. Transformer works on:
A) DC
B) AC
C) Heat
D) Light
45. Voltage unit is:
A) Ampere
B) Volt
C) Watt
D) Ohm
46. Battery stores:
A) Heat
B) Electrical energy
C) Light
D) Sound
47. Energy cannot be:
A) Created
B) Destroyed
C) Converted
D) Stored
48. Solar energy comes from:
A) Moon
B) Earth
C) Sun
D) Stars
49. Acceleration is change in:
A) Mass
B) Velocity
C) Force
D) Energy
50. SI unit of acceleration:
A) m/s
B) m/s²
C) N
D) J
🧪 CHEMISTRY (Q51–100)
51. pH of a neutral solution is:
A) 0
B) 7
C) 14
D) 1
52. Which gas is used in soda water?
A) Oxygen
B) Hydrogen
C) Carbon dioxide
D) Nitrogen
53. Atomic number represents number of:
A) Neutrons
B) Protons
C) Protons + neutrons
D) Electrons only
54. Rusting of iron is:
A) Physical change
B) Chemical change
C) Nuclear change
D) Reversible change
55. Formula of water is:
A) H₂O
B) HO₂
C) H₂O₂
D) OH₂
56. Valency of oxygen is:
A) 1
B) 2
C) 3
D) 4
57. Strong acid among the following is:
A) CH₃COOH
B) HCl
C) NH₄OH
D) NaOH
58. Catalyst increases:
A) Mass
B) Rate of reaction
C) Temperature
D) Pressure
59. NaCl is:
A) Acid
B) Base
C) Salt
D) Gas
60. Vinegar contains:
A) Hydrochloric acid
B) Acetic acid
C) Sulphuric acid
D) Nitric acid
61. Chemical symbol of sodium is:
A) So
B) Na
C) Sd
D) S
62. Atomic mass unit is:
A) kg
B) u
C) g
D) mol
63. Periodic table is arranged in order of:
A) Mass number
B) Atomic number
C) Density
D) Valency
64. Noble gas is:
A) Oxygen
B) Nitrogen
C) Neon
D) Chlorine
65. Electron charge is:
A) Positive
B) Negative
C) Neutral
D) Both
66. Chemical bonding in NaCl is:
A) Covalent
B) Ionic
C) Metallic
D) Hydrogen
67. LPG is mainly:
A) Oxygen
B) Hydrocarbon
C) Nitrogen
D) Water vapor
68. Water is:
A) Element
B) Compound
C) Mixture
D) Gas
69. Oxygen is:
A) Compound
B) Mixture
C) Element
D) Solution
70. Acid turns blue litmus:
A) Blue
B) Red
C) Green
D) Yellow
71. Base turns red litmus:
A) Blue
B) Red
C) Green
D) Black
72. pH of strong acid is:
A) 14
B) 7
C) 1–3
D) 10–14
73. Chemical formula of baking soda:
A) NaCl
B) NaHCO₃
C) CaCO₃
D) KCl
74. Gas released in respiration:
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
75. Photosynthesis uses:
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
76. Chlorine is:
A) Metal
B) Non-metal
C) Metalloid
D) Compound
77. Metals are usually:
A) Brittle
B) Lustrous
C) Gases
D) Non-conductors
78. Non-metals are:
A) Good conductors
B) Poor conductors
C) Lustrous
D) Malleable
79. Water hardness is due to:
A) Sodium
B) Calcium salts
C) Oxygen
D) Hydrogen
80. Formula of carbon dioxide:
A) CO
B) CO₂
C) C₂O
D) C₂O₂
81. Dry ice is:
A) Solid CO₂
B) Solid O₂
C) Solid H₂O
D) Solid N₂
82. Oxidation is:
A) Gain of electrons
B) Loss of electrons
C) Gain of protons
D) Loss of neutrons
83. Reduction is:
A) Gain of electrons
B) Loss of electrons
C) Gain of mass
D) Loss of energy
84. Chemical equation is balanced to follow:
A) Law of gravity
B) Law of conservation of mass
C) Newton’s law
D) Boyle’s law
85. Hydrogen is:
A) Metal
B) Non-metal
C) Metalloid
D) Salt
86. Air is a:
A) Compound
B) Element
C) Mixture
D) Solution
87. Alloy is:
A) Pure element
B) Mixture of metals
C) Gas
D) Compound
88. Steel is an example of:
A) Element
B) Alloy
C) Gas
D) Acid
89. Universal solvent is:
A) Alcohol
B) Water
C) Oil
D) Acid
90. Hydrogen peroxide formula:
A) H₂O
B) H₂O₂
C) HO₂
D) H₃O
91. Ammonia formula:
A) NH₃
B) NH₂
C) NO₂
D) N₂H
92. Acid + base gives:
A) Salt + water
B) Gas
C) Acid only
D) Base only
93. Neutralization reaction produces:
A) Heat only
B) Salt and water
C) Gas only
D) Metal
94. Calcium carbonate is found in:
A) Air
B) Chalk
C) Water
D) Oil
95. Hydrogen is lightest element:
A) True
B) False
C) Sometimes
D) None
96. Molecular formula of glucose:
A) C₆H₁₂O₆
B) CH₄
C) C₂H₆
D) CO₂
97. Oxygen supports:
A) Burning
B) Cooling
C) Freezing
D) Melting
98. Gas used in balloons:
A) Oxygen
B) Helium
C) Nitrogen
D) Carbon dioxide
99. Drying agent is:
A) Water
B) Silica gel
C) Salt
D) Sugar
100. Chemical change is:
A) Ice melting
B) Burning wood
C) Boiling water
D) Breaking glass
🧬 BIOLOGY (Q101–150)
101. Photosynthesis mainly occurs in:
A) Root
B) Stem
C) Leaves
D) Flower
102. Functional unit of kidney is:
A) Neuron
B) Nephron
C) Alveoli
D) Axon
103. DNA is located in:
A) Ribosome
B) Nucleus
C) Vacuole
D) Cell wall
104. RBC mainly functions in:
A) Immunity
B) Clotting
C) Oxygen transport
D) Digestion
105. Platelets are responsible for:
A) Digestion
B) Clotting
C) Respiration
D) Movement
106. Human heart has:
A) 2 chambers
B) 3 chambers
C) 4 chambers
D) 5 chambers
107. Insulin regulates:
A) Blood pressure
B) Blood sugar
C) Heart rate
D) Oxygen level
108. Respiration in humans occurs in:
A) Heart
B) Lungs
C) Liver
D) Stomach
109. Chlorophyll is present in:
A) Roots
B) Leaves
C) Flowers
D) Fruits
110. Oxygen is carried by:
A) Plasma
B) RBC
C) WBC
D) Platelets
111. Malaria is caused by:
A) Virus
B) Bacteria
C) Protozoa
D) Fungus
112. Disease caused by bacteria is:
A) Dengue
B) Tuberculosis
C) AIDS
D) Flu
113. Largest organ in human body:
A) Liver
B) Skin
C) Heart
D) Brain
114. Thyroxine is secreted by:
A) Pancreas
B) Thyroid
C) Liver
D) Kidney
115. Site of protein synthesis:
A) Nucleus
B) Ribosome
C) Mitochondria
D) Vacuole
116. Xylem transports:
A) Food
B) Water
C) Hormones
D) Oxygen
117. Phloem transports:
A) Water
B) Food
C) Oxygen
D) Carbon dioxide
118. Vitamin C deficiency causes:
A) Rickets
B) Scurvy
C) Night blindness
D) Anaemia
119. Vitamin D deficiency causes:
A) Scurvy
B) Rickets
C) Goitre
D) Diabetes
120. Hemoglobin is found in:
A) WBC
B) RBC
C) Platelets
D) Plasma
121. Human digestive system starts from:
A) Stomach
B) Mouth
C) Intestine
D) Liver
122. Enzyme in saliva:
A) Pepsin
B) Amylase
C) Lipase
D) Trypsin
123. Plants breathe through:
A) Nephrons
B) Stomata
C) Alveoli
D) Villi
124. Food-making process in plants is:
A) Respiration
B) Photosynthesis
C) Digestion
D) Transpiration
125. Transpiration is loss of:
A) Oxygen
B) Water vapor
C) Food
D) Carbon dioxide
126. Male reproductive organ in plants:
A) Ovary
B) Stamen
C) Pistil
D) Sepal
127. Female reproductive part of flower:
A) Stamen
B) Pistil
C) Anther
D) Filament
128. Fertilization is fusion of:
A) Tissues
B) Cells
C) Gametes
D) Organs
129. Seed germination needs:
A) Only light
B) Only water
C) Water, air, warmth
D) Only soil
130. Chloroplast contains:
A) Hemoglobin
B) Chlorophyll
C) DNA only
D) Protein
131. Plants release oxygen during:
A) Respiration
B) Photosynthesis
C) Digestion
D) Excretion
132. Excretion organ in humans:
A) Heart
B) Kidney
C) Lung
D) Brain
133. Urine is formed in:
A) Liver
B) Nephron
C) Lung
D) Skin
134. Brain controls:
A) Digestion only
B) Body activities
C) Blood only
D) Bones
135. Nervous system includes:
A) Heart and lungs
B) Brain and nerves
C) Liver and kidney
D) Muscles only
136. Muscles help in:
A) Respiration
B) Movement
C) Digestion only
D) Circulation only
137. Bones form:
A) Nervous system
B) Skeletal system
C) Digestive system
D) Excretory system
138. Blood is a:
A) Tissue
B) Organ
C) Cell
D) Bone
139. White blood cells help in:
A) Digestion
B) Immunity
C) Respiration
D) Movement
140. Plant hormone auxin helps in:
A) Digestion
B) Growth
C) Respiration
D) Excretion
141. Oxygen enters blood in:
A) Heart
B) Lungs
C) Liver
D) Kidney
142. Carbon dioxide is removed through:
A) Skin
B) Lungs
C) Bones
D) Blood only
143. Food is absorbed in:
A) Stomach
B) Small intestine
C) Mouth
D) Liver
144. Bile is produced by:
A) Kidney
B) Liver
C) Heart
D) Lungs
145. Stomach acid is:
A) HCl
B) H₂SO₄
C) NaOH
D) CH₄
146. Teeth help in:
A) Respiration
B) Chewing
C) Circulation
D) Excretion
147. Ecosystem includes:
A) Only plants
B) Only animals
C) Living and non-living things
D) Only water
148. Producers in ecosystem are:
A) Animals
B) Plants
C) Fungi
D) Bacteria only
149. Decomposers are:
A) Plants
B) Animals
C) Fungi and bacteria
D) Birds
150. Food chain starts with:
A) Animals
B) Plants
C) Humans
D) Carnivores
BIOLOGY (Q151–200)
151. The process of breathing out air is called:
A) Inhalation
B) Exhalation
C) Digestion
D) Circulation
152. Human respiratory pigment is:
A) Chlorophyll
B) Hemoglobin
C) Insulin
D) Keratin
153. Which organ pumps blood?
A) Liver
B) Heart
C) Kidney
D) Lung
154. Blood vessel carrying oxygenated blood is:
A) Vein
B) Artery
C) Capillary
D) Nerve
155. Veins carry:
A) Oxygenated blood
B) Deoxygenated blood
C) Food
D) Hormones
156. Smallest blood vessels are:
A) Arteries
B) Veins
C) Capillaries
D) Nerves
157. Human brain has:
A) 2 parts
B) 3 parts
C) 4 parts
D) 5 parts
158. Cerebrum controls:
A) Breathing only
B) Thinking and memory
C) Digestion
D) Excretion
159. Cerebellum controls:
A) Balance and coordination
B) Digestion
C) Heartbeat
D) Vision only
160. Spinal cord is part of:
A) Digestive system
B) Nervous system
C) Respiratory system
D) Excretory system
161. Plant transport tissue for food:
A) Xylem
B) Phloem
C) Stomata
D) Root hair
162. Xylem transports:
A) Food
B) Water
C) Oxygen
D) Hormones
163. Transpiration mainly occurs through:
A) Roots
B) Stomata
C) Stem only
D) Flowers
164. Photosynthesis needs:
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen only
165. Chlorophyll absorbs:
A) Heat
B) Sunlight
C) Water
D) Oxygen
166. Seed coat protects:
A) Leaf
B) Seed
C) Root
D) Stem
167. Germination starts when seed absorbs:
A) Oxygen
B) Water
C) Salt
D) Sugar
168. Pollination is transfer of:
A) Seeds
B) Pollen grains
C) Fruits
D) Roots
169. Fertilization forms:
A) Seed
B) Zygote
C) Fruit only
D) Leaf
170. Fruit develops from:
A) Stem
B) Ovary
C) Root
D) Leaf
171. Asexual reproduction occurs in:
A) Humans
B) Amoeba
C) Birds
D) Fish only
172. Binary fission occurs in:
A) Human
B) Amoeba
C) Plant
D) Dog
173. Budding example:
A) Hydra
B) Human
C) Frog
D) Cat
174. Ecosystem includes:
A) Only animals
B) Only plants
C) Living and non-living things
D) Only soil
175. Producers are:
A) Animals
B) Plants
C) Fungi
D) Bacteria only
176. Consumers are:
A) Plants
B) Animals
C) Sun
D) Water
177. Decomposers break:
A) Rocks
B) Dead organisms
C) Air
D) Sunlight
178. Food chain starts with:
A) Herbivores
B) Carnivores
C) Plants
D) Humans
179. Herbivores eat:
A) Meat
B) Plants
C) Both
D) Insects only
180. Carnivores eat:
A) Plants
B) Meat
C) Fruits
D) Water
181. Omnivores eat:
A) Only plants
B) Only meat
C) Both plants and meat
D) Only insects
182. Largest ecosystem on Earth:
A) Forest
B) Ocean
C) Desert
D) Grassland
183. Pollution affects:
A) Only animals
B) Only plants
C) Environment
D) Only humans
184. Greenhouse gas is:
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen
185. Ozone layer protects from:
A) Heat
B) UV rays
C) Rain
D) Wind
186. Water cycle includes:
A) Only rain
B) Evaporation and condensation
C) Only clouds
D) Only rivers
187. Evaporation is change of water into:
A) Ice
B) Vapour
C) Liquid
D) Soil
188. Condensation forms:
A) Rain
B) Ice
C) Steam
D) Soil
189. Oxygen is released during:
A) Respiration
B) Photosynthesis
C) Digestion
D) Excretion
190. Human excretory waste is:
A) Oxygen
B) Urine
C) Food
D) Sweat only
191. Skin helps in:
A) Digestion
B) Excretion
C) Photosynthesis
D) Respiration
192. Lungs help in:
A) Digestion
B) Respiration
C) Excretion
D) Movement
193. Liver helps in:
A) Pumping blood
B) Digestion
C) Breathing
D) Movement
194. Stomach helps in:
A) Photosynthesis
B) Digestion
C) Respiration
D) Circulation
195. Teeth are part of:
A) Digestive system
B) Nervous system
C) Respiratory system
D) Excretory system
196. Food is broken down into:
A) Vitamins only
B) Simple substances
C) Cells
D) Blood
197. Blood transports:
A) Only oxygen
B) Nutrients and gases
C) Only food
D) Only water
198. Immunity is provided by:
A) RBC
B) WBC
C) Platelets
D) Plasma only
199. Growth in humans is controlled by:
A) Hormones
B) Water
C) Oxygen
D) Salt
200. The basic unit of life is:
A) Tissue
B) Organ
C) Cell
D) System
ANSWER KEY (1–200)
| Q | Ans | Q | Ans | Q | Ans | Q | Ans |
|---|---|---|---|---|---|---|---|
| 1 | B | 2 | C | 3 | B | 4 | B |
| 5 | A | 6 | A | 7 | B | 8 | C |
| 9 | A | 10 | B | 11 | B | 12 | B |
| 13 | B | 14 | B | 15 | C | 16 | B |
| 17 | B | 18 | C | 19 | C | 20 | B |
| 21 | A | 22 | A | 23 | A | 24 | B |
| 25 | C | 26 | B | 27 | A | 28 | C |
| 29 | A | 30 | B | 31 | B | 32 | B |
| 33 | C | 34 | C | 35 | B | 36 | B |
| 37 | C | 38 | A | 39 | B | 40 | B |
| 41 | C | 42 | D | 43 | A | 44 | B |
| 45 | B | 46 | B | 47 | A | 48 | C |
| 49 | B | 50 | B | 51 | B | 52 | C |
| 53 | B | 54 | B | 55 | A | 56 | B |
| 57 | B | 58 | B | 59 | C | 60 | B |
| 61 | B | 62 | B | 63 | B | 64 | C |
| 65 | B | 66 | B | 67 | B | 68 | B |
| 69 | C | 70 | B | 71 | A | 72 | C |
| 73 | B | 74 | C | 75 | B | 76 | B |
| 77 | B | 78 | B | 79 | B | 80 | B |
| 81 | A | 82 | B | 83 | A | 84 | B |
| 85 | B | 86 | C | 87 | B | 88 | B |
| 89 | B | 90 | B | 91 | A | 92 | A |
| 93 | B | 94 | B | 95 | A | 96 | A |
| 97 | A | 98 | B | 99 | B | 100 | B |
| 101 | C | 102 | B | 103 | B | 104 | C |
| 105 | B | 106 | C | 107 | B | 108 | B |
| 109 | B | 110 | C | 111 | C | 112 | B |
| 113 | B | 114 | B | 115 | B | 116 | B |
| 117 | B | 118 | B | 119 | B | 120 | B |
| 121 | B | 122 | B | 123 | B | 124 | B |
| 125 | B | 126 | B | 127 | B | 128 | C |
| 129 | C | 130 | B | 131 | B | 132 | B |
| 133 | B | 134 | B | 135 | B | 136 | B |
| 137 | B | 138 | A | 139 | B | 140 | B |
| 141 | B | 142 | B | 143 | B | 144 | B |
| 145 | A | 146 | B | 147 | C | 148 | B |
| 149 | C | 150 | B | 151 | B | 152 | B |
| 153 | B | 154 | B | 155 | B | 156 | C |
| 157 | B | 158 | B | 159 | A | 160 | B |
| 161 | B | 162 | B | 163 | B | 164 | B |
| 165 | B | 166 | B | 167 | B | 168 | B |
| 169 | B | 170 | B | 171 | B | 172 | B |
| 173 | A | 174 | C | 175 | B | 176 | B |
| 177 | C | 178 | C | 179 | B | 180 | B |
| 181 | C | 182 | B | 183 | C | 184 | B |
| 185 | B | 186 | B | 187 | B | 188 | A |
| 189 | B | 190 | B | 191 | B | 192 | B |
| 193 | B | 194 | B | 195 | A | 196 | B |
| 197 | B | 198 | B | 199 | A | 200 | C |