Free Transport In Plants (Daily Quiz: 13) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Seeds when soaked in water, they imbibe because of

(a) OP of water is high.

(b) OP inside the seed is low.

(c) DPD of seed is very much low.

(d) water potential gradient between the seed coat and water.

Question-2

Loading of phloem is related to

(a) separation of phloem parenchyma

(b) elongation of phloem cell

(c) increase of sugar in phloem

(d) strengthening of phloem fiber.

Question-3

Which of the following would not contribute to water uptake by a plant cell ?

(a) a decrease in pressure on the cell exerted by the wall

(b) an increase in the water potential (Ψ) of the surrounding solution

(c) the uptake of solutes by the cell

(d) an increase in tension on the surrounding solution.

Question-4

Wilting occurs when

(a) Rate of absorption is higher than transpiration

(b) Rate of transpiration is higher than absorption

(c) Excess root pressure

(d) High relative humidity in air

Question-5

The process of guttation takes place

(a) When the root pressure is low and the rate of transpiration is low.

(b) When the root pressure is high and the rate of transpiration is low.

(c) When the root pressure equals the rate of transpiration.

(d) When the root pressure as well as rate of transpiration are high.