The number of RBCs in man increases if he lives at a higher altitude, this is because
there is more oxygen at the mountains
there is less oxygen at mountains
more heat is required to be produced in the body for keeping warm
there are no germs in the air in mountain
The friction between the eyelids and the cornea is avoided by the secretion of
lachrymal glands
conjunctiva and eyelids
hardarian glands
Meibomian glands
Tendrils exhibit/twining of tendrils is due to
thigmotropism
seismonasty
heliotropism
diageotropism
Sunken stomata occur in
xerophytes
hydrophytes
mesophytes
opsanophytes
A.
xerophytes
A sunken stomata is a stomata in a small pit, which protects the escaping water vapor from air currents, decreasing water loss from the leaf. Sunken stomata are commonly found in plants in arid environments as one of their adaptations to preserve water.
Metha Jahar which is useful in rheumatism is obtained from
Aconitum napellus
Colchicum
Exogonium
Licorice