Questions

Q:

Which among the following is used to generate light, to weld metals?

A) Ethylene B) Acetylene
C) Glycol D) Oxalic acid
 
Answer & Explanation Answer: B) Acetylene

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Q:

Which of the following elements has the lowest melting point?

A) Tin B) Hydrogen
C) Carbon D) Sodium
 
Answer & Explanation Answer: B) Hydrogen

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Q:

Which of the following statements is INCORRECT?

A) Solids have definite volume  B) solids are rigid 
C) Solids have indefinite shape  D) Solids are almost incompressible
 
Answer & Explanation Answer: C) Solids have indefinite shape 

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Q:

Which among the following difference between aerobic and anaerobic respiration is INCORRECT?

A) Aerobic respiration takes place in presence of oxygen – Anaerobic respiration takes place in the absence of oxygen   B) In Aerobic respiration pyruvate is broken down into ethanol and carbon dioxide – In Anaerobic respiration pyruvate is broken down into carbon dioxide and water
C) In Aerobic respiration more energy is released – In Anaerobic respiration less energy is released   D) Aerobic respiration takes place in mitochondria– Anaerobic respiration takes place in yeast  
 
Answer & Explanation Answer: B) In Aerobic respiration pyruvate is broken down into ethanol and carbon dioxide – In Anaerobic respiration pyruvate is broken down into carbon dioxide and water

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Q:

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

 

 

A) Sublimation B) Evaporation
C) Condensation D) Liquidation
 
Answer & Explanation Answer: A) Sublimation

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Q:

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

A) Villi B) Mucus
C) Saliva D) Digestive Juices
 
Answer & Explanation Answer: B) Mucus

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four andindicate it by selecting the appropriate option.

The employee did not _____ to the argument of the manager.

A) precede B) exceed
C) concede D) recede
 
Answer & Explanation Answer: C) concede

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Q:

Name the first Indian to get Nobel prize in economics.

A) Amartya Sen B) C V Raman
C) Mihir Sen D) Arun Shourie
 
Answer & Explanation Answer: A) Amartya Sen

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