Mention the role of cnidoblasts.

What are the types of RNA? Mention the role of each class of RNA.

With a neat, labelled diagram, descrine the parts of a mature angiosperm embryo sac. Mention the role of synergids.

Mention the role of semicircular canals in ear.

Mention the role of hormone secreted by thymus gland.

Mention the role of heart and kidney in hormone secretion.

State the role of mitosis.

What is the role of death

The role of SER is

State the role of transgenic plants.

State the role of endonucleases and exonucleases.