Which of the following is commonly known as 'Indian telegraph plant'?

Which of the following is a natural growth inhibitor?

The visible reaction of a plant produced as result of applied stimulus is called:

Which type of movement occurs in Oscillatoria?

Where are the flowering hormones synthesized?

Which of the following acts as a stress hormone?

The term vitamin was introduced by:

ABA was first isolated by:

Senescence occurring due to the competition for metabolites between young and older leaves is called:

Who discovered photoperiodism?