Q:

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

A) 400 J	B) 50 J
C) 40 J	D) 100 J

Answer & Explanation Answer: A) 400 J

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Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror	B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part	D) It is the midpoint of a spherical mirror

Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

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Q:

What is the name of the acid in an ant's sting?

A) Acetic acid	B) Citric acid
C) Formic acid	D) Lactic acid

Answer & Explanation Answer: C) Formic acid

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Q:

Preserved traces of living organisms retained in the form of impressions of the body parts in the soil are called ______.

A) specimen	B) fossils
C) antique	D) phylogeny

Answer & Explanation Answer: B) fossils

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Q:

Who launched Pradhan Mantri Vaya Vandana Yojana (PMVVY) in July 2017?

A) Rajnath Singh	B) Arun Jaitley
C) Suresh Prabhu	D) Nirmala Sitharaman

Answer & Explanation Answer: B) Arun Jaitley

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Q:

Which Five Year Plan adopted Indicative Planning in India?

A) 9th	B) 4th
C) 3rd	D) 8th

Answer & Explanation Answer: D) 8th

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Q:

Silk worms feed on

A) Basil leaves	B) Curry leaves
C) Rose leaves	D) Mulberry leaves

Answer & Explanation Answer: D) Mulberry leaves

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Q:

Which among the following has the maximum life span

A) Eagle	B) Tortoise
C) Tiger	D) Elephant

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