Questions

Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

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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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Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere D) The distance of the stars from the earth changes with time
 
Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

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Q:

Mirages are formed primarily due to ___ of light.

A) Reflection B) Diffusion
C) Refraction D) Scattering
 
Answer & Explanation Answer: C) Refraction

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Q:

Which is the political party started by Telugu film actor Chiranjeevi, who later merged it with the Indian National Congress?

A) Nava Nirman Party B) Andhra Pride Party
C) Telugu Desam Party D) Praja Rajyam Party
 
Answer & Explanation Answer: D) Praja Rajyam Party

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) SW B) GK
C) FJ D) DG
 
Answer & Explanation Answer: D) DG

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Q:

Which country in the month of November 2015 was ranked no.1 men's team for the first time in FIFA rankings?

A) Nigeria B) Belgium
C) Russia D) Portugal
 
Answer & Explanation Answer: B) Belgium

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Q:

Which of the following is not an assumption of perfect competition?

A) There are many buyers and sellers B) Average total costs continually decrease.
C) The good sold by all sellers in the market is assumed to be homogeneous. D) Buyers and sellers in the market are assumed to have perfect information.
 
Answer & Explanation Answer: B) Average total costs continually decrease.

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