Questions

Q:

Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2)

A) 50 B) 5000
C) 2500 D) 25
 
Answer & Explanation Answer: B) 5000

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Q:

Why do atoms bond?

A) To reduce potential energy and gain stability B) To make atoms
C) To increase potential energy and lose stability D) To increase potential energy and gain stability
 
Answer & Explanation Answer: A) To reduce potential energy and gain stability

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Q:

The presence of air bubble in blood stream is dangerous to life because

A) Air combines with blood forming a complex B) The flow of blood increases manifold
C) The flow of blood is obstructed D) The pressure of blood increases manifold
 
Answer & Explanation Answer: C) The flow of blood is obstructed

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Q:

The most active phagocytic cells among the leukocytes are

A) neutrophils and monocytes B) monocytes and lymphocytes
C) basophils and eosinophils D) lymphocytes and neutrophils
 
Answer & Explanation Answer: A) neutrophils and monocytes

Explanation:

The most active phagocytic cells among the leukocytes (White Blood Cells) are neutrophils and monocytes.

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Q:

When there is only one buyer and one seller of product, it is called _____ situation.

A) Public monopoly B) Bilateral monopoly
C) Franchised monopoly D) Monopsony
 
Answer & Explanation Answer: B) Bilateral monopoly

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Q:

The closest example of a centrally planned economy is the __________ for the major part of the 20th Century.

A) USA B) India
C) Soviet Union D) Japan
 
Answer & Explanation Answer: C) Soviet Union

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Q:

If price of an article decreases from Rs P1 to Rs 75, quantity demanded increases from 1000 units to 1200 units. If point elasticity of demand is ­3.2 findmP1?

A) Rs 85 B) Rs 80
C) D) Rs 95
 
Answer & Explanation Answer: B) Rs 80

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Q:

Which of the following changes when a body performs uniform circular motion?

A) Mass B) Momentum
C) Speed D) Direction
 
Answer & Explanation Answer: D) Direction

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