Questions

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

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which Article specifies the Fundamental Duties of every citizen?

A) Article 80 B) Article 343
C) Article 51A D) Article 356
 
Answer & Explanation Answer: C) Article 51A

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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive D) When total utility is maximum,marginal and average utility are equal to each other.
 
Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

Match the characteristics with their market structure:
(a) Expand out put until MC = MR
(b) Elasticity of demand depends on pricing policies of rivals

A) (a) Pure competition, (b) Pure Monopoly B) (a) Pure Monopoly, (b) Monopolistic competition
C) (a) Pure competition, (b) Oligopoly D) (a) Monopolistic competition, (b) Oligopoly
 
Answer & Explanation Answer: D) (a) Monopolistic competition, (b) Oligopoly

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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

An alloy is an example of

A) Colloidal solution B) Emulsion
C) Solid solution D) Heterogenous mixture
 
Answer & Explanation Answer: C) Solid solution

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the

A) Spinal cord B) Hypothalamus
C) Pons D) Medulla
 
Answer & Explanation Answer: D) Medulla

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

In a water molecule, the ratio of mass of Hydrogen to the mass of Oxygen is always:

A) 8:1 B) 7:1
C) 1:7 D) 1:8
 
Answer & Explanation Answer: D) 1:8

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

 The difference between exports and imports is called-? 

A) assets and liabilities  B) balance of payment 
C) GDP  D) balance of trade 
 
Answer & Explanation Answer: D) balance of trade 

Explanation:

The difference between exports and imports is called the balance of trade. If imports are greater than exports, it is sometimes called an unfavourable balance of trade. If exports exceed imports, it is sometimes called a favourable balance of trade.

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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT

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