Plant Physiology (NEET Biology): Questions 58 - 64 of 257

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Question number: 58

» 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: 59

» 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: 60

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

Anaerobic respiration takes place in the

Choices

Choice (4) Response

a.

ER

b.

cytoplasm

c.

mitochondria

d.

lysosomes

Question number: 61

» 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.

Question number: 62

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

MCQ▾

Question

Grana refers to

Choices

Choice (4) Response

a.

Byproduct of photosynthesis.

b.

Glycolysis of glucose.

c.

Stacks of thylakoids in plastids of higher plants.

d.

A constant in quantum equation.

Question number: 63

» Plant Physiology » Photosynthesis » Chemiosmotic Hypothesis

MCQ▾

Question

Oxidative phosphorylation is related to the formation of

Choices

Choice (4) Response

a.

ATP by cytoplasm via glycolysis

b.

ATP by chondriosome via photolysis

c.

ATP by chloroplast via photosynthesis

d.

ATP by chondriosome via respiration.

Question number: 64

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

MCQ▾

Question

Which of the following is essential mineral element and is not a constituent of an enzyme but stimulate the activity of many enzymes?

Choices

Choice (4) Response

a.

Mg

b.

K

c.

Mn

d.

Zn

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