Questions

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:

Atomic number of which of the following elements is greater than that of Phosphorus?

A) Aluminium B) Silicon
C) Chlorine D) Magnesium
 
Answer & Explanation Answer: C) Chlorine

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Filed Under: Chemistry
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Q:

The chemical formula of Propane is

A) C3H8 B) C4H10
C) C2H6 D) CH4
 
Answer & Explanation Answer: A) C3H8

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Q:

What is the name of the process where gas is directly converted to solids called?

A) Sublimation B) Deposition
C) Condensation D) Evaporation
 
Answer & Explanation Answer: B) Deposition

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Q:

Medulla oblongata is a part of which of the following?

A) Heart B) Brain
C) Lungs D) Stomach
 
Answer & Explanation Answer: B) Brain

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Filed Under: Biology
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Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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Q:

Goods whose demand is proportional to price are called

A) inferior goods B) Veblen goods
C) normal goods D) exclusive goods
 
Answer & Explanation Answer: B) Veblen goods

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Q:

Which type of pathogen causes the water­borne disease Cholera?

A) Algal B) Bacterial
C) Protozoan D) Viral
 
Answer & Explanation Answer: B) Bacterial

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