Free Transport In Plants (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which portion of the root absorbs both water and minerals?

(a) Zone of cell elongation

(b) Terminal portion of roots

(c) Zone of cell formation

(d) Zone of cell differentiation

Question-2

The continuity of water column in xylem is maintained due to the

(a) Cohesive property of water

(b) Presence of air bubbles

(c) Evaporation power of water

(d) None of these

Question-3

The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of

(a) lignified thick walls

(b) transpiration pull

(c) weak gravitational pull

(d) cohesion and adhesion.

Question-4

Water will be absorbed by root hairs when :

(a) Concentration of solutes in the cell sap is high

(b) Concentration of salts in the soil is high

(c) The plant is rapidly respiring

(d) They are separated from the soil by a semi permeable membrane

Question-5

Which of the following statements does not apply to reverse osmosis?

(a) In this technique, the pressure greater than osmotic pressure is applied to the system.

(b) It is used for water purification.

(c) It is a passive process.

(d) It is an active process.