Questions

Q:

The study of human evolution indicates that all of us belong to a single species that evolved in

A) West Asia B) Central Asia
C) Africa D) America
 
Answer & Explanation Answer: C) Africa

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Q:

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

A) 4 B) 6
C) 1/2 D) 3
 
Answer & Explanation Answer: A) 4

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Q:

T cell activation requires

A) T cell receptor (TCR) B) PTK function
C) APC  D) All the above
 
Answer & Explanation Answer: A) T cell receptor (TCR)

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Filed Under: Biology
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Q:

Chandrabhaga beach is located in which state?

A) Odisha B) Kerala
C) Chennai D) Gujarat
 
Answer & Explanation Answer: A) Odisha

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Filed Under: Indian Geography
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Q:

In the given question, an idiom/phrase highlighted in bold is given in a sentence. Choose the most suitable meaning of the idiom/phrase.

The prisoners broke out of jail when the guards weren’t looking

A) Raised B) Surrenderd
C) Escaped D) Perpetuated
 
Answer & Explanation Answer: C) Escaped

Explanation:

A forcible escape from a prison is called a breakout. The correct answer is option 3. Perpetuate means to preserve or continue. Hence option 3 is the correct response.

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Q:

As per the announcement by the government in August 2017, Banks importing gold and precious metals will have to pay ______ tax under the GST.

 

A) 5%   B) 10%  
C) 3%   D) 8%
 
Answer & Explanation Answer: C) 3%  

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Filed Under: Indian Economy
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Q:

Which one of the following is not an assumption in the law of demand?

A) There are no changes in the taste and preferences of consumers B) Income of consumers remains constant
C) Consumers are affected by demonstration effect D) There are no changes in the price of substitute goods.
 
Answer & Explanation Answer: C) Consumers are affected by demonstration effect

Explanation:

There are certain assumptions underlying the law of demand, which are as follows:

i. Assumes that the consumer’s income remains same

ii. Assumes that the preferences of consumer remain same.

iii. Considers that the fashion does not show any changes, because if fashion changes, then people would not purchase the products that are out of fashion.

iv. Assumes that there would be no change in the age structure, size, and sex ratio of population. This is because if population size increases, then the number of buyers increases, which, in turn, affect the demand for a product directly.

v. Restricts the innovation and new varieties of products in the market, which can affect the demand for the existing product.

vi. Restricts changes in the distribution of income.

vii. Avoids any type of change fiscal policies of the government of a nation, which reduces the effect of taxation on the demand of product.

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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

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