Air pollution is:
i. 5th leading cause of deaths in Indian sub-continent.
ii. ranked among top 10 killers in the world.
iii. 7th most dangerous killer in south Asia.
Refer
to the given figure and select the correct statement
i.
A, B, and C are histogen of shoot apex
ii.
A Gives rise to medullary rays.
iii.
B Gives rise to cortex
iv.
C Gives rise to epidermis