The term vitamin was introduced by:

Which of the following phytohormones is known as stress hormone?

Who proposed the term 'cytokinins'?

The plant movement due to the internal stimuli are called:

Which of the following is a reason for leaf fall?

Kinetin was first isolated by:

The paratonic movement of locomotion in response to chemical stimulus is called:

Which hormone is produced by plants during drought condition?

The time interval from the formative phase to maturation phase is called:

Which hormone helps in the softening of tissues?