UPSC Previous Year Questions: CSP 2021

upsc2020said

220. 

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221. 

upsc2020said

222. 

upsc2020said

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.

upsc2020said

230. Which of the following cities experience the warm temperate Mediterranean climate?

1. Cape Town

2. Los Angeles

3. Adelaide

4. Santiago

Select the correct answer using the code given below.

a) 1 and 2 only

b) 3 and 4 only

c) 1, 2 and 3 only

d) 1, 2, 3 and 4

upsc2020said

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

upsc2020said

232. Which of the following statements are appropriate to Mangrove Sites?

1. Mangrove plants require appropriate mix of saline water and freshwater.

2. Mangrove plants require mudflats to enable it to grow and develop.

3. Mangrove plants are found in the inter-tidal zones of sheltered coasts.

4. Mangrove vegetation has been reported in all the coastal States including Andaman and Nicobar Islands.

Select the correct answer using the code given below.

a) 1 and 2 only

b) 2, 3 and 4 only

c) 1, 3 and 4 only

d) 1, 2, 3 and 4

Aurorasaid

@mhs11 UPSC Previous Ques All Subjects (2006-15)_Sec.pdf