Questions

Q:

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

A) 60° B) 45°
C) 30° D) 90°
 
Answer & Explanation Answer: C) 30°

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Q:

What is the fundamental unit of amount of a substance?

A) Mole B) Candela
C) Kelvin D) Meter
 
Answer & Explanation Answer: A) Mole

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Filed Under: Physics
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Q:

Work done by a passenger standing on a platform holding a suitcase weighing 10kg is

A) 980 J B) 98 J
C) 0 J D) 100 J
 
Answer & Explanation Answer: C) 0 J

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Filed Under: Physics
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Q:

What causes the mottling of the dental enamel ?

A) High levels of chlorine in water B) High levels of nitrate in the water
C) High levels of fluorides in the water D) High levels of calcium in the water
 
Answer & Explanation Answer: C) High levels of fluorides in the water

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Filed Under: General Science

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Q:

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

A) Predation B) Commensalism
C) Competition D) Parasitism
 
Answer & Explanation Answer: B) Commensalism

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Filed Under: General Science
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Q:

Thermal electricity is generated by using which of these ?

A) Coal only B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum D) None of these
 
Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

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Filed Under: General Science
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Q:

The Equator does NOT pass through which of the following countries?

A) Kenya B) Mexico
C) Indonesia D) Brazil
 
Answer & Explanation Answer: B) Mexico

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Filed Under: General Science
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Q:

Parallel venation is found in _____.

A) plants which are monocots B) plants which have a dicot stem
C) plants with leaves similar to Tulsi D) plants with tap roots
 
Answer & Explanation Answer: A) plants which are monocots

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Filed Under: Biology
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