Mention the most significant function of each of the following:
Lenticels
Lenticels are the main transpiratory organs and exchange of gases also occurs through them.
Give reasons for the following:
Nerve impulse travels in one direction due to change in voltage difference during conduction and due to the secretion of acetylchloride at symaptic cleft.
Give reasons for the following
A person has difficulty in focusing on nearer objects, as the age increases.
Give one difference between each of the following:
Glucocorticoids and Mineralocorticoids.
Give reasons for the following
A cut plant wilts fast even if its cut end is dipped in water.
Give reasons for the following
Jamming of wooden doors and windows takes place during rainy season.