Plant Physiology-Transport in Plants (NEET Biology): Questions 23 - 26 of 76

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Question number: 23

» Plant Physiology » Transport in Plants » Transpiration Pull

MCQ▾

Question

In both transpiration and evaporation, water is lost in the form of vapour yet they differ, because

Choices

Choice (4) Response

a.

Frequency of water loss is different in both of them.

b.

Transpiration and evaporation are similar but the rate of water loss differs.

c.

Transpiration is a physiological process and evaporation is a physical process.

d.

Transpiration is a physical process and evaporation is a physiological process.

Question number: 24

» Plant Physiology » Transport in Plants » Movement of Water, Gases and Nutrients

MCQ▾

Question

The cell wall is permeable and not a semipermeable structure can be best deduced from the passage of water and mineral salts from

Choices

Choice (4) Response

a.

Root hairs to cortical cells.

b.

Soil into periplasmic space of root hairs.

c.

Cortical cells to pericycle.

d.

Pericycle to trachea.

Question number: 25

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

MCQ▾

Question

Transpiration ratio is the ratio of moles of H2O transpired/moles of CO2 fixed. This ratio is measure of

Choices

Choice (4) Response

a.

Stomatal pore size of the leaves.

b.

The efficiency of guard cells on stomatal movement.

c.

Distinguishing a xerophyte from glycophyte.

d.

Effectiveness of stomata is maximizing in photosynthesis while minimizing in water loss.

Question number: 26

» Plant Physiology » Transport in Plants » Osmosis

MCQ▾

Question

Osmosis cannot be demonstrated by a potato osmoscope using a solution of NaCl instead of sugar; because the potato tissue is

Choices

Choice (4) Response

a.

Permeable to na ion.

b.

Permeable to cl ion.

c.

Permeable to salt solution.

d.

Impermeable to salt solution.

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