What is mastication?

What is variation? What are its types?

What are the glands present related with the eyes? What is it function?

Assertion: The gap between the canines and premolar is called diastema. Reason: It helps in mastication and chewing of food in herbivorous animals.

What is RuBisCO? What is function?

What is a Zwitterion ? Or what is an isoelectronic point?

What is pleura? What is its function?

a. What is positron ? " " b. What is its charge ?