Free Transport In Plants (Daily Quiz: 10) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Wilting occurs when

(a) rate of absorption is higher than transpiration.

(b) rate of transpiration is higher than absorption.

(c) there is excess root pressure.

(d) there is high relative humidity in air.

Question-2

The metal ion involved in the stomatal regulation is :

(a) Magnesium

(b) Iron

(c) Zinc

(d) Potassium

Question-3

Guttation usually occurs when the plant is put in a

(a) More humid soil

(b) More saturated atmosphere

(c) Dry condition

(d) Desert

Question-4

Carbohydrates are commonly found as starch in plant storage organs, which of the following five properties of starch (A-E) make it useful as a storage material?

1. Easily translocated
2. chemically non-reactive
3. easily digested by animals
4. osmotically inactive
5. synthesized during photosynthesis The useful properties are

(a) (A), (C) and (E)

(b) (B) and (D)

(c) (B) and (C)

(d) (A) and (E)

Question-5

Find out the incorrect statements.

(a) The pressure exerted by the protoplasts due to entry of water against the rigid walls is called yp .

(b) The process of plasmolysis is usually irreversible.

(c) The T.P. is responsible for enlargement and extension growth of cells.

(d) Plant cells swell in hypotonic solutions.