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UPSC Previous Year Questions: CSP 2021

upsc2020said

Why did Buddhism started declining in India  in early medieval times ?

1. Buddha was by that time considered as one of the incarnations of Vishnu and thus became a part of Vaishnavism.

2. Invading tribes from Central Asia till the time of last Gupta king adopted Hinduism and persecuted Buddhists.

3. Kings of Gupta dynasty were strongly opposed to Buddhism.

Which of the above given statements are correct?

A. 1 only 

B. 1 and 3 only 

C. 2 and 3 only 

D. 1, 2 and 3

A?

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226. Which one of the following statements about transport mechanism in plants is correct?

a) Diffusion of ions and small molecules across cell membrane requires energy.
b) Active transport of ions and small molecules across cell membrane against concentration gradient requires energy.
c) Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient.
d) Cells do not transport ions across their membrane as these are charged molecules.

B?

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227.  In mid-latitude regions, the diurnal variation in weather is due to

a) raising air/convection
b) sinking air/conduction
c) advection
d) radiation

C?

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231. Arabian Sea records higher salinity than the Bay of Bengal because

a) Arabian Sea exhibits high rate of evaporation and low influx of fresh water
b) Arabian Sea has shallow water
c) Arabian Sea has more enclosed land
d) Arabian Sea receives more rainfall

A?

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