Free Transport In Plants (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Diffusion can occur between

(a) Cell to cell

(b) One part of cell to other part

(c) Intercellular space to outside of leaf

(d) All of these

Question-2

The condition under which transpiration would be most rapid is

(a) Excess of water in soil

(b) High humidity

(c) Low humidity, high temperature, guard cells are turgid (open) and moist soil

(d) Low velocity of wind

Question-3

Transpiration driven ascent of sap depends mainly on the _________ physical properties of water.

(a) Adhesion

(b) Cohesion

(c) Surface tension

(d) All of these

Question-4

Which of the following is not true of the carrier molecules involved in facilitated diffusion?

(a) They concentrate solute molecules on one side of the membrane.

(b) They increase the speed of transport across a membrane.

(c) They have specific binding sites for molecules they transport.

(d) They may undergo conformational change upon binding of solutes.

Question-5

Water moves across a selectively permeable membrane:

(a) Lower water concentration - Higher water concentration

(b) Region of higher water potential - Region of lower water potential

(c) Higher solute concentration - Lower solute concentration

(d) Region of higher osmotic potential - Region of lower osmotic potential