PSC Previous Years General Science Questions Part 6
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- 126. In which states of matter diffusion is grater?
- A) Solid
B) liquid
C) Gas
D) Plasma - Answer
- Correct Option : D
- Explanation
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- 127. Select Ore of Aluminium given below?
- A) Magnetite
B) Bauxite
C) Cuprite
D) Hematite - Answer
- Correct Option : B
- Explanation
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- 128. Which is the relay centre in our brain?
- A) Pituitary gland
B) Thalamus
C) Spinal Cord
D) Meninges - Answer
- Correct Option : B
- Explanation
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- 129. Which is used in the dials of clocks?
- A) Uranium
B) Radium
C) Cobalt
D) Strontium - Answer
- Correct Option : B
- Explanation
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- 130. Which metal is known as `Little Silver`?
- A) Gold
B) Mercury
C) Silver
D) Platinum - Answer
- Correct Option : D
- Explanation
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- 131. The Scientific study of skull and brain is known as?
- A) Pedogenesis
B) Phrenology
C) Cardiology
D) Osteology - Answer
- Correct Option : B
- Explanation
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- 132. The pH of human blood is?
- A) 7
B) 7.4
C) 7.9
D) 7.8 - Answer
- Correct Option : B
- Explanation
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- 133. Cow`s milk is a rich source of?
- A) Vitamin A
B) Vitamin B
C) Vitamin D
D) Vitamin C - Answer
- Correct Option : A
- Explanation
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- 134. Short sightedness can be corrected by?
- A) concave lens
B) Concave - Convex lens
C) Convex lens
D) Cylindrical lens - Answer
- Correct Option : A
- Explanation
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- 135. The weight of brain of man is .... gms?
- A) 1200-1400gm
B) 1400-1600gm
C) 1250-1550 gm
D) 1000-1200gms - Answer
- Correct Option : A
- Explanation
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- 136. The mixture of nitric acid and hydrochloric acid?
- A) plaster of paris
B) Bleaching power
C) Carbondisulphide
D) Aqua regia - Answer
- Correct Option : D
- Explanation
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- 137. Mobile part of an atom?
- A) Neutron
B) Proton
C) Electron
D) Nucleus - Answer
- Correct Option : C
- Explanation
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- 138. Bones present in a human adult?
- A) 216
B) 200
C) 206
D) 180 - Answer
- Correct Option : C
- Explanation
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- 139. Biogas Contains
- A) Methane
B) Ethane
C) Hydrogen Sulphide
D) Ammonia - Answer
- Correct Option : A
- Explanation
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- 140. The acid present in tea?
- A) Acetic acid
B) Tartaric acid
C) Lactic acid
D) Tanic acid - Answer
- Correct Option : D
- Explanation
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- 141. Number of Vertebrae in human skeleton?
- A) . 35
B) 32
C) 33
D) 30 - Answer
- Correct Option : C
- Explanation
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- 142. A pulse which is considered as a substitute for milk?
- A) Green gram
B) Peanut
C) Black gram
D) Soya bean - Answer
- Correct Option : D
- Explanation
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- 143. Pigment gives red colour to blood?
- A) Haemoglobin
B) RBC
C) Plasma
D) Bile - Answer
- Correct Option : A
- Explanation
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- 144. The Vitamin that helps in blood clotting?
- A) B
B) K
C) C
D) A - Answer
- Correct Option : B
- Explanation
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- 145. The part of the potato do we eat
- A) underground stem
B) root
C) stem
D) root nodes - Answer
- Correct Option : A
- Explanation
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- 146. The Unit of power is
- A) Volt
B) Watt
C) Joule
D) Calorie - Answer
- Correct Option : B
- Explanation
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- 147. Which element group is the most reactive of all the metallic elements?
- A) Alkali metals
B) Alkaline earth metals
C) Transition metals
D) Coin age metal - Answer
- Correct Option : A
- Explanation
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- 148. The alloy of aluminium used for making magnets is
- A) Duralmin
B) Aluminium bronze
C) Invar
D) Alnico - Answer
- Correct Option : D
- Explanation
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- 149. Backing soda is
- A) Sodium Carbonate
B) Sodium Bicarbonate
C) Sodium thio sulphate
D) Sodium Hydroxide - Answer
- Correct Option : B
- Explanation
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- 150. Red blood corpuscles are formed in the ?
- A) Liver
B) Bone Marrow
C) Spleen
D) Pancreas - Answer
- Correct Option : B
- Explanation
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