Plant Physiology-Transport in Plants (NEET Biology): Questions 11 - 16 of 76

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Question number: 11

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Which of the following is used to determine the rate of transpiration in plants?

Choices

Choice (4) Response

a.

Tensiometer

b.

Porometer

c.

Potometer

d.

Auxanometer

Question number: 12

» Plant Physiology » Transport in Plants » Transport of Food

MCQ▾

Question

Bidirectional translocation of minerals takes place in

Choices

Choice (4) Response

a.

Cambium

b.

Xylem

c.

Parenchyma

d.

Phloem

Question number: 13

» Plant Physiology » Transport in Plants » Osmosis

MCQ▾

Question

What will be the direction of movement of water, when a solution A having water potential of 9 bars and another solution B of 4 bars is separated by a semipermeable membrane?

Choices

Choice (4) Response

a.

B to A or A to B

b.

A to B

c.

B to A

d.

Question does not provide sufficient data or is vague

Question number: 14

» Plant Physiology » Transport in Plants » Osmosis

MCQ▾

Question

You are given three cells, a root hair, a cell of the inner cortical layer and a cell of the mesophyll.

Arrange them in the ascending order of DPD.

Choices

Choice (4) Response

a.

Root hair < Mesophyll < Cortical cell

b.

Mesophyll < Root hair < Cortical cell

c.

Root hair < Cortical cell < Mesophyll

d.

Cortical cell < Mesophyll < Root hair

Question number: 15

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Most widely accepted explanation for the ascent of sap in tree is

Choices

Choice (4) Response

a.

Role of atmospheric pressure

b.

Transpiration cohesion theory of Dixon

c.

Pulsating action of living cells

d.

Capillarity

Question number: 16

» Plant Physiology » Transport in Plants » Water Potential

MCQ▾

Question

By which method ions are absorbed by plants?

Choices

Choice (4) Response

a.

By carriers and pumps

b.

By difference in water potential.

c.

By molecular diffusion.

d.

By difference in DPD.

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