Subject :NSO Class : Class 7
The given graph shows rate of CO2 uptake over 24 hours by two potted plants X and Y kept in direct sunlight with all similar conditions viz. same sized pots with equal amount of soil and manure, adequate moisture and air.
Select the best possible option regarding X and Y.
APlant X is actively photosynthesising between 20 hrs to 24 hrs.
BPlant Y shows stomatal closure between 10 hrs to 18 hrs.
CPlant X shows maximum transpiration between 12 to 14 hrs.
DBoth B and C
Option D
Ans 1:
Class : Class 8
OPTION D
Ans 2:
Class : Class 7
Option D