Write a short note on adaptions of Xerophytes.

Write short note on FAO

Write short note on WHO

Write a short note on tritium

Write a short note : WHO

Write short note on Malaria.

Write short note on Plastid.

Write a short note on : (a) Adaptations of desert plants and animals (b) Adaptations of plants to water scarcity (c) Behavioural adaptations in animals (d) Importance of light to plants (e) Effect of temperature or water scarcity and the adaptations of animals.

Write short note on Plague.

Write short note on Dengue

Write a short note on fixation of nitrogen.