Give reasons for the following
A person has difficulty in focusing on nearer objects, as the age increases.
As the age increases , ciliary muscles become weak and therefore there is difficulty in focussing on nearer objects.
Give reasons for the following
Jamming of wooden doors and windows takes place during rainy season.
Give one difference between each of the following:
Glucocorticoids and Mineralocorticoids.
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 cut plant wilts fast even if its cut end is dipped in water.
