Plant Physiology-Transport in Plants (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 1 - 4 of 80

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Question number: 1

» Plant Physiology » Transport in Plants » Diffusion

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Match List-Ⅰ List-Ⅱ▾

Question

During osmosis, water moves through a membrane

List-Ⅰ (From)List-Ⅱ (To)

(A)

Low water potential

(i)

Low solute concern.

(B)

High osmotic potential

(ii)

High water potential

(C)

High solute concern

(iii)

A hypertonic solution

(High solute)

(D)

A hypotonic solution

(Less solute)

(iv)

Low osmotic potential

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (i)
  • (iii)
  • (ii)
  • (iv)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question number: 2

» Plant Physiology » Transport in Plants » Absorption

Edit
MCQ▾

Question

Which theory suggests that the CO2 produced in respiration plays an important role in mineral absorption?

Choices

Choice (4)Response

a.

Active absorption theory

b.

Contact exchange theory

c.

Carbonic acid exchange theory

d.

None of the above

Question number: 3

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

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MCQ▾

Question

Which of the following is the path of water from soil up to secondary xylem?

Choices

Choice (4)Response

a.

Soil → root hair cell wall → cortex → endodermis → pericycle → protoxylem → metaxylem.

b.

Metaxylem → protoxylem → cortex → soil → root hair.

c.

Cortex → root hair → endodermis → pericycle → protoxylem → metaxylem.

d.

Pericycle → soil → root hair → cortex → endodermis → protoxylem → metaxylem.

Question number: 4

» Plant Physiology » Transport in Plants » Cell to Cell Transport

Edit
MCQ▾

Question

The chief role of transpiration in plants is to cause

Choices

Choice (4)Response

a.

Rapid rise of minerals

b.

Rapid ascent of sap

c.

Cooling of the plant

d.

Loss of surplus water

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