To extend their market period, fruits can be left on trees longer by the application of:

 

1.	Auxin	2.	Gibberellins
3.	Cytokinin	4.	ABA

Kinetin was first discovered from:

Cytokinins do not help in:
1. Production of new leaves                 
2. Lateral shoot growth
3. Adventitious shoot formation             
4. Promotion of apical dominance

Cytokinins help in delay of leaf senescence because they:

Normally, when the seeds are mature, ethylene production increases and builds-up within the fruit, resulting in a climactic event that means:

Which PGR is used to initiate flowering and for synchronizing fruit set in pineapple?

Which PGR stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stress?

In most situations, which PGR acts as an antagonist to GAs?

The site of perception of light/dark duration in plants is:
1. Root apex                 
2. Shoot apex
3. Flower                     
4. Leaves

Match the following :

Options: