Free Transport In Plants (Daily Quiz: 8) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In guard cells when sugar is converted into starch the stomatal pore

(a) closes completely

(b) opens partially

(c) opens fully

(d) remains unchanged

Question-2

Statement 1:
Water potential is new term for diffusion pressure deficit.
Statement 2 :
Both diffusion pressure deficit and water potential have a negative value.

(a) Statement -1 is True, Statement -2 is True ; Statement-2 is NOT a correct explanation for Statement – 1

(b) Statement- 1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement -1

(c) Statement - 1 is True, Statement- 2 is False

(d) Both the Statements are False.

Question-3

The hypothesis accepted for the translocation of sugar from source to sink is__________.

(a) pressure flow hypothesis

(b) pressure gradient

(c) mass flow hypothesis

(d) both (a) and (c)

Question-4

At the endodermis, water movement through the apoplast pathway is obstructed by which alphabet?

(a) B

(b) A

(c) C

(d) D

Question-5

In terrestrial habitats, temperature and rainfall conditions are influenced by

(a) thermoperiodism

(b) transpiration

(c) water transformations

(d) translocation.