PSC Previous Years GS Questions Part 12

PSC General Science Question Bank Part 12

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• 276. Movement of cell against concentration gradient is called?
• A) Osmosis
  B) Active transport
  C) Diffusion
  D) Passive transport
• Answer
• Correct Option : B
• Explanation

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• 277. Prothrombin which helps in clotting of blood is released by?
• A) Lymphocytes
  B) Erythrocytes
  C) Monocytes
  D) Blood platelets
• Answer
• Correct Option : D
• Explanation

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• 278. The number of moles of solute present in 1kg of a solvent is called its?
• A) Molality
  B) Molarity
  C) Normality
  D) Formarity
• Answer
• Correct Option : A
• Explanation

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• 279. The metal which is known as `little Silver` is?
• A) Mercury
  B) Lithium
  C) Platinum
  D) Titanium
• Answer
• Correct Option : C
• Explanation

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• 280. `Calorimeter` is an instrument used to measure
• A) Heat
  B) Electric current
  C) Altitude
  D) Velocity of sound
• Answer
• Correct Option : A
• Explanation

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• 281. Cooking gas is a mixture of
• A) Carbone monoxide and Carbon dioxide
  B) Butane and Propane
  C) Methane and Ethylene
  D) Carbon-di-oxide and Oxygen
• Answer
• Correct Option : B
• Explanation

• [accordion]
• 282. Enzymes consist of chains
• A) Nucleotides
  B) Aminoacids
  C) Carbohydrates
  D) Fatty acids
• Answer
• Correct Option : B
• Explanation

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• [accordion]
• 283. The core of a transformer is made up of .....
• A) Soft iron
  B) Steel
  C) Copper
  D) Aluminium
• Answer
• Correct Option : A
• Explanation

• [accordion]
• 284. Who first introduced the electrochemical cell?
• A) Alessandro Volta
  B) Jameswatt
  C) Thomas Alva Edison
  D) Michael Faraday
• Answer
• Correct Option : A
• Explanation

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• 285. Which Vitamin is known as Fresh Food Vitamin?
• A) Vitamin A
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
• Answer
• Correct Option : C
• Explanation

• [accordion]
• 286. Which metal is not used as electro magnet?
• A) Iron
  B) Copper
  C) Nickel
  D) Cobalt
• Answer
• Correct Option : B
• Explanation

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• 287. Light waves are transverse in nature because, they can be;
• A) reflected
  B) refracted
  C) diffracted
  D) polarised
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 288. Which of the following vitamins is produced with the help of Sunlight?
• A) Vitamin A
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 289. Lanthanides and actinides are belong to
• A) s block
  B) p block
  C) d block
  D) f block
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 290. Which of the following does not influence the speed of a chemical reaction
• A) concentration
  B) temperature
  C) colour
  D) pressure
• Answer
• Correct Option : C
• Explanation

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• 291. Hematite is the ore of
• A) iron
  B) calcium
  C) magnesium
  D) aluminium
  
• Answer
• Correct Option : A
• Explanation

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• 292. Transmission of heat energy from one point to another without any medium is called
• A) conduction
  B) convection
  C) radiation
  D) None of these
• Answer
• Correct Option : C
• Explanation

• [accordion]
• 293. Normally the melting point of an ice is
• A) 98.4°F
  B) 98.6°F
  C) 0°F
  D) 32°F
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 294. Convex lens is also known as
• A) Diverging lens
  B) converging lens
  C) Bi focal lens
  D) cylindrical lens
• Answer
• Correct Option : B
• Explanation

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• 295. The blood group known as universal donor
• A) AB group
  B) A group
  C) B group
  D) O group
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 296. Which organ maintain the balance of the body
• A) Ear
  B) Cerebellum
  C) Brain
  D) Heart
• Answer
• Correct Option : A
• Explanation

• [accordion]
• 297. Vitamin which is abundant in green leafy vegetable
• A) Vitamin C
  B) Vitamin B
  C) Vitamin A
  D) Vitamin E
• Answer
• Correct Option : C
• Explanation

• [accordion]
• 298. Find out the odd one
• A) Plague
  B) Syphillis
  C) Leprosy
  D) Polio myelitis
• Answer
• Correct Option : D
• Explanation

• [accordion]
• 299. The element which is the basis of human being in earth is?
• A) Carbon
  B) Oxygen
  C) Hydrogen
  D) Carbondioxide
• Answer
• Correct Option : A
• Explanation

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• 300. The strength of an earthquake can be measured by a device called?
• A) seismograph
  B) Barometer
  C) Radar
  D) Pyrometer
• Answer
• Correct Option : A
• Explanation

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