Organisms And Population Question 240

Question: Plants are killed in winter by frost [BHU 1977]

Options:

A) Because of desiccation and mechanical damage to the tissue

B) Because no photosynthesis take place at such a low temperature

C) Because respiration ceases at such low temp.

D) Because there is no transpiration

Show Answer

Answer:

Correct Answer: A

Solution:

When a plant is exposed to extremes of temperature it gets injured and the injuries are of three types namely desiccation, chilling and freezing.