Ozone is toxic to expanding leaves of almost all types of plant at the concentration of equal or more than
A. 0.1 ppm
B. 0.4 ppm
C. 0.2 ppm
D. 0.6 ppm
Answer: Option A
Solution(By Examveda Team)
Ozone is toxic to expanding leaves of almost all types of plant at the concentration equal to or more than 0.1 ppm.Ozone damages plants by entering leaf openings called stomata and oxidizing plant tissue during respiration.
Ozone causes considerable damage to plants around the world, including crops and plants in natural ecosystems. Ozone damages plants by entering leaf openings called stomata and oxidizing plant tissue during respiration. This damages the plant leaves and causes reduced survival.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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