Give the exact location of occipital lobe of cerebral cortex.

Given below is a diagram representing the structure of an ovum surrounded by a few sperm cells. Study the diagram and answer the questions that follows.

(a) Where does fertilisation, normally take place?

(b) Mention the chromosome number in egg and zygote in humans.

(c) What is the main function of corona radiata?

Who among the Dryopithecus and Ramapithecus was more man like?

Which gland secretes growth hormone? Also mention its effect on a person due to its deficiency as well as its excess secretion.