Mineral Nutrition In Plants Question 168
Question: If the amount of an ion absorbed by a root hair cell at $ 0{}^\circ C $ is 5 gm and at $ 20{}^\circ C $ is 20 gm. The amount of this ion absorbed actively should be
Options:
A) 25 gm
B) 20 gm
C) 15 gm
D) 5 gm
Show Answer
Answer:
Correct Answer: C
Solution:
At $ 0^{o}C $ , 5 gm ions are absorbed and at $ 20^{o}C $ , 20gm ions are absorbed.
Energy is increased from $ 0^{o}C $ to $ 20^{o}C $ , then the increase in ion absorption amount = 20 - 5 =15 gm.