Discuss the ecological significance of photoperiodism.

What is photoperiodism?

What is photoperiodism?

What is the ecological importance of pteriodophytes?

Discuss the significance of heavy isotope of nitrogen in Meselson and Stahl's experiment.

Give a brief account of photoperiodism.

Define ecological niche.

What is ecological niche?

Short Answer Questions A. QUESTIONS FROM STATE BOARD EXAMINATIONS : Discuss the significance of vegetative propagation.