Explain any one method of crop production which ensures high yield.

Explain any two methods of forest conservation?

Explain any three methods of vectorless gene transfer.

Explain any three methods of vectorless gene transfer.

Explain any two methods for introduction of recombinant DNA into host cell.

Write any one method for the preparation of glucose.

In the pyramid of biomass drawn below, name the two crops the one which supports. In which ecosystem is such a pyramid found?

With the help of an activity, explain the method of inducing an electric current in a coil with a moving magnet. Mention one practical application of electromagnetic induction.