Why is DNA a better genetic material when compared to RNA ?

Explain succession of plants in xerophytic habitat until it reaches climax community.

A sugarcane has been affected by virus. How can a virus free cane be developed from it ? Explain the procedure.

How does a detritivore differ from a decomposer ? Explain with an example each.

Explain the events in a normal woman during her menstrual cycle on the following days.

(a) Ovarian event from 13-15 days

(b) Ovarian hormones level from 16 to 23 days
(c) Uterine events from 24 to 29 days