Jerle 01 20 multiple choice quiz relating to aspects of plant physiology and bio

Question

Jerle 01 20 multiple choice quiz relating to aspects of plant physiology and biochemistry. There is only one best answer for each question. Insert your answer in the square provided. 1. The water readily available to plants for absorption by roots is a. Gravitational water b. Capillary water c. Rain water d. Hygroscopic water 2. The loss of water from the stomata of leaves are known as a. Guttation b. Exudation c. Transpiration d. Evaporation 3. Which one of the following is used to measure the rate of transpiration a. Porometer b. Osomometer c. Moll's experiment d. Potometer 4. Cooling of plants is caused by a. Guttaion b. Photorespiration c. Transpiration d. Assimilation 5. Stomata open at night and close during day time in a. Xerophytes b. Mesophytes c. Succulents d. Hydrophytes 6. Active uptake of minerals by roots mainly depends on the a. Availability of oxygen b. Temperature c. Light d. Availability of CO2

Explanation / Answer

Ans:

1) Option B

Capillary water

Capillary action is the movement of water within the spaces of a porous material. Capillary water is the water's stickiness to organic tissues and soil which is used by plants readily.

2) Option C

Transpiration

3) Option D

Potometer

4) Option C

Transpiration

5) Option C

Succulents

6) Option A

Availability of oxygen

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