Q:

Blocking in experimental design is useful because it

A) keeps the experimenter from knowing which subjects are in the treatment group.	B) prevents response bias from entering into the experiment.
C) gives the quarterback enough time to throw the ball.	D) controls for multiple variables in an experiment.

Answer & Explanation Answer: D) controls for multiple variables in an experiment.

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Filed Under: Physics
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Q:

If a body is whirled in a circle, then the work done on it ___.

A) is zero	B) is positive
C) cannot be determined	D) is negative

Answer & Explanation Answer: A) is zero

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Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

A) 6400	B) 1280
C) 640	D) 3200

Answer & Explanation Answer: B) 1280

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Filed Under: Physics
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Q:

A unit of power is called a

A) Joule	B) Pascal
C) Newton	D) Watt

Answer & Explanation Answer: B) Pascal

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Q:

Boiling point of water is ___.

A) 210 deg F	B) 212 deg F
C) 214 deg F	D) 208 deg F

Answer & Explanation Answer: B) 212 deg F

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Filed Under: General Science
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Q:

When was the battle of Chillianwala fought?

A) 1865	B) 1892
C) 1849	D) 1856

Answer & Explanation Answer: C) 1849

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Filed Under: Indian History
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Q:

Bilateral monopoly situation is

A) when there are only two sellers of a product	B) when there are only two buyers of a product
C) when there is only one buyer and one seller of a product	D) when there are two buyers and two sellers of a product

Answer & Explanation Answer: C) when there is only one buyer and one seller of a product

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Filed Under: Indian Economy
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Q:

What is the atomicity of Phosphorous?

A) Di-atomic	B) Poly-atomic
C) Tetra-atomic	D) Mono-atomic

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