Questions

Q:

A ________________ is known by different names in different parts of the world. It is called a ‘hurricane’ in North America.

A) funnel B) whirlpool
C) cyclone D) twister
 
Answer & Explanation Answer: C) cyclone

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Filed Under: General Science
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Q:

Which of the following is NOT a metamorphic rock?

A) Slate B) Schist
C) Diorite D) Phyllite
 
Answer & Explanation Answer: C) Diorite

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Filed Under: General Science
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Q:

Sex­ratio in India is measured as

A) Number of males per thousand females B)  Number of females per thousand males
C)  Number of males per hundred females D)  Number of females per hundred males
 
Answer & Explanation Answer: B)  Number of females per thousand males

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Filed Under: General Awareness
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Q:

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

A) 3750 B) 7500
C) 1875 D) 5000
 
Answer & Explanation Answer: A) 3750

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Filed Under: Physics
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Q:

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?

A) 1/2 Ek B) 4 Ek
C) There will be no change in Ek D) 2 Ek
 
Answer & Explanation Answer: B) 4 Ek

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Filed Under: Physics
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Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm B) -15 cm
C) +30 cm D) +15 cm
 
Answer & Explanation Answer: B) -15 cm

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Filed Under: Physics
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Q:

Carnotite is an ore/mineral of _____.

A) Beryllium B) Chromium
C) Uranium D) Copper
 
Answer & Explanation Answer: C) Uranium

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Filed Under: Chemistry
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Q:

Kyoto Protocol is associated with

A) Species conservation B) Climate change
C) Wetland Conservation D) Medicinal plants
 
Answer & Explanation Answer: B) Climate change

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Filed Under: Biology
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