Question

How are multiple embryos formed in a citrus fruit ? What is the mechanism known as ?

Name and explain the structural organisation of the male sex accessory ducts in the human male reproductive system.

Describe the role of gonadotropin FSH in the regulation of spermatogenesis.

Given below is the schematic representation of spermatogenesis in human males : Choose the option that shows the correct labelling of 'I', 'II', 'III' and 'IV' in the given diagram.