Questions

Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100% B) 25%
C) 50% D) 75%
 
Answer & Explanation Answer: D) 75%

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Filed Under: Physics
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Q:

Which of the following physical quantity measures the rate of work done?

A) Power B) Momentum
C) Force D) Energy
 
Answer & Explanation Answer: A) Power

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Filed Under: Physics
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Q:

Which country suggested the name 'NIVAR' to the 4th cyclone hit the North Indian Ocean Region in 2020?

A) India B) Iran
C) Sri Lanka D) Vietnam
 
Answer & Explanation Answer: B) Iran

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Filed Under: General Awareness
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Q:

The number of parliamentary seats (Rajya Sabha) of Uttar Pradesh is

A) 12 B) 16
C) 18 D) 31
 
Answer & Explanation Answer: D) 31

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Filed Under: Indian Politics
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Q:

Ammonium nitrate, on thermal decomposition, produces :

A) NH3 and NO2 B) NH3 and NO
C) N2 and H2O D) N2O and H2O
 
Answer & Explanation Answer: D) N2O and H2O

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Filed Under: Chemistry
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Q:

The body of all complex animals consist of only _______ basic types of tissue(s).

A) 4000 B) 400
C) 40 D) 4
 
Answer & Explanation Answer: D) 4

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Filed Under: Biology
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Q:

Organisms that use light to prepare food are known as _____.

A) Autotrophs B) Heterotrophs
C) Omnivores D) Decomposers
 
Answer & Explanation Answer: A) Autotrophs

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Q:

Which of the following is a metabolic function of skin?

A) synthesis of a vitamin D precursor B) cutaneous sensation
C) body temperature regulation D) elimination of nitrogenous wastes
 
Answer & Explanation Answer: A) synthesis of a vitamin D precursor

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Filed Under: Biology
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