Questions

Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

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Q:

__________ says that if we keep increasing the employment of an input, with other inputs fixed, eventually a point will be reached after which the resulting addition to output (i.e., marginal product of that input) will start falling.

A) Law of diminishing marginal product B) Law of variable proportions
C) The Short Run D) The Long Run
 
Answer & Explanation Answer: A) Law of diminishing marginal product

Explanation:
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Q:

The study of individual markets of demand and supply in which the 'players', or the decision makers, were also individuals (buyers or sellers, even companies) who were seen as trying to maximize their profits (as producers or sellers) and their personal satisfaction or welfare levels (as consumers) is called?

A) Macroeconomics B) Econometrics
C) Microeconomics D) Heterodox Economics
 
Answer & Explanation Answer: C) Microeconomics

Explanation:
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Q:

The demand curve facing a perfectly competitive firm is

A) downward sloping B) perfectly inelastic
C) a concave curve D) perfectly elastic
 
Answer & Explanation Answer: D) perfectly elastic

Explanation:
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Q:

The unemployment created at certain times of the year, when the demand for goods and services are lower than normal, is _____.

A) Cyclical unemployment B) Frictional unemployment
C) Seasonal unemployment D) Structural unemployment
 
Answer & Explanation Answer: C) Seasonal unemployment

Explanation:
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Q:

A manufacturer faces price elasticity of demand of a ­1.25 for its product. If it lowers its price by 6.4%, the increase in quantity sold will be _____.

A) 5.15 percent B) 7.65 percent
C) 8 percent D) 5.12 percent
 
Answer & Explanation Answer: C) 8 percent

Explanation:
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Q:

If price of an article decreases from Rs 40 to Rs 30, quantity demanded increases from Q1 units to 7500 units. If point elasticity of demand is -1 find Q1?

A) 9000 units B) 4500 units
C) 10500 units D) 6000 units
 
Answer & Explanation Answer: D) 6000 units

Explanation:
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Q:

Which of the following is added to iron to make iron hard and strong?

A) Zinc B) Copper
C) Carbon D) Sodium
 
Answer & Explanation Answer: C) Carbon

Explanation:
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