Photosynthesis In Higher Plants Question 165
During daylight hours, the rate of photosynthesis is higher than that of respiration, and the ratio of oxygen produced to that of consumed is 1:1 [CPMT 1984]
Options:
A) 1 : 1
B) 10 : 1
C) 50 : 1
D) 5 : 1
Show Answer
Answer:
Correct Answer: B
Solution:
Maximum rate of photosynthesis occurs near noon when light is brightest and at this time, plants usually fix about eight times more $ CO_2 $ than is released during respiration (i.e., the rate of photosynthesis is eight times the rate of respiration).
BETA
