Write notes on Antifertility drugs

Write note on tRNA

Write note on Operon

Explain the following with one example (i) Antiseptic and Disinfectants (ii) Antifertility drugs (iii)Antihistamines

Write note on Red drop

Write note on: Biofertilizers.

Write notes on : Smelting

Write notes on Antihistamines.

Write note on Bt-Crops.

Write note on vaccines.

Give two examples of antifertility drugs.