Plant Water Relation Multiple Choice Questions with Answers

Questions

61 Transpiration is least in

A high wind velocity

B good soil moisture

C dry environment

D High atmospheric humidity

View Answer

Answer: High atmospheric humidity

62 In plants, water rises upwards through

A Xylem

B Pholem

C Cambium

D Stomata

View Answer

Answer: Xylem

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63 Osmosis is the diffusion of

A Energy

B Solute particles

C Gases

D Water

View Answer

Answer: Water

64 The outer solution having equal concentration as that of the cell sap is called

A Isotonic solution

B Neutral solution

C Hypotonic solution

D Hypertonic solution

View Answer

Answer: Isotonic solution

65 The process of imbibition involves

A Diffusion

B Capillary action

C Absorption

D Both (A) and (B)

View Answer

Answer: Both (A) and (B)

66 Cell becomes turgid because of

A Endosmosis

B Diffusion

C Plasmolysis

D Exosmosis

View Answer

Answer: Endosmosis

67 The pathway in which water moves through cell wall without crossing any membrane

A Transmembrane pathway

B Vaculoar pathway

C Symplast pathway

D Apoplast pathway

View Answer

Answer: Apoplast pathway

68 Symplastic movement of water takes place through

A The plasmodesmata

B The casparian strips

C The cell wall

D Through endodermis

View Answer

Answer: The plasmodesmata

69 Water diffusion into endodermis takes place through

A Passage cells

B Suberzed cells

C Lignified cells

D Casparian strips

View Answer

Answer: Passage cells

70 Root pressure is measured by

A Manometer

B Auxanometer

C Atmometer

D Barometer

View Answer

Answer: Manometer

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