Question

If carbon dioxide contents of the atmosphere is as high as 300 ppm [MP PMT 1989]
A) All plants will be killed
B) The plants would not grow properly
C) Plants would grow for some times and then die
D) The plants would thrive well

Answer 1

c) plants would grow for some time and then die

Answer 2

Answer:  If carbondioxide contents of the atmosphere is as high as 300 ppm plants whould grow for some times and then die