Free Transport In Plants (Daily Quiz: 9) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

You are given three cells such as a root hair, a cell of the inner cortical layer and a cell of the mesophyll. Arrange them in the ascending order of DPD.

(a) Cortical cell < Mesophyll < Root hair

(b) Root hair < Cortical cell < Mesophyll

(c) Mesophyll < Root hair < Cortical cell

(d) Root hair < Mesophyll < Cortical cell

Question-2

Assertion :
Stomata are usually open in the day time and close during the night.
Reason :
The opening or closing of stomata is due to the change in the turgidity of the guard cells.

(a) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.

(b) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

(c) If Assertion is true but Reason is false.

(d) If both Assertion and Reason are false.

Question-3

A plant cell placed in pure water will

(a) becomes more turgid until the pressure potential of cell reaches its osmotic potential.

(b) expand until the osmotic potential or solute potential reaches that of water.

(c) become more turgid until osmotic potential reaches that of pure water.

(d) becomes less turgid until the osmotic potential reaches that of pure water.

Question-4

Which one of the following process help the water- soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts?

(a) Leaching

(b) Fragmentation

(c) Catabolism

(d) Humification

Question-5

Osmotic pressure in the leaf cells is positive during

(a) excessive absorption

(b) low transpiration

(c) excessive transpiration

(d) guttation