CAT Questions

Q:

The unit for measuring electric power is the

A) Steridian B) Watts
C) Watts D) Volts
 
Answer & Explanation Answer: C) Watts

Explanation:
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Q:

The energy associated with motion is called

A) Potential energy B) Kinetic energy
C) Both A & B D) Stored energy
 
Answer & Explanation Answer: B) Kinetic energy

Explanation:

Energy can be either potential or kinetic. The energy associated with motion is called Kinetic energy and similarly, the energy associated with position is called Potential energy.

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Q:

In a concentrated solution there is

A) no solute B) a large amount of solvent
C) no solvent D) a large amount of solute
 
Answer & Explanation Answer: D) a large amount of solute

Explanation:

In a concentrated solution there is a large amount of solute.

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Q:

What happens to air when it is heated?

Answer

When heated any substance, the molecules move apart from each other. Alike in the air the molecules move apart from each other. We know that the warm air is lighter than the cool air. Since after heating air gets warmer, it floats up and the cool air comes down to occupy the warm air place.

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Q:

The mean of 21 observations (all different) is 40. If each observation greater than the median is increased by 21, then the mean of observations will become:

A) 50 B) 30
C) 50.5 D) 45
 
Answer & Explanation Answer: A) 50

Explanation:
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Q:

I am a cold man without a soul. If there is warmth in me, it slowly will kill me. What am I?

Answer

A snowman is a cold man without a soul, if there is warmth in it, it slowly will kill him.

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Q:

An improvement in technology would shift

A) the demand curve rightward B) the supply curve rightward
C) the supply curve leftward D) the demand curve leftward
 
Answer & Explanation Answer: B) the supply curve rightward

Explanation:

An improvement in technology would shift the supply curve rightward.

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Q:

Which plant cell organelle contains its own dna and ribosomes?

A) mitochondria B) Chloroplasts
C) Both A & B D) Vacuole
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The plant cell organelles, "The power house of the cell" mitochondria and the chloroplasts contains their own DNA and ribosomes.

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