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.