Cousins confirmed the release of a volatile substance from ripened oranges that

1.Hastened the ripening of already ripened bananas

2.Hastened the ripening of unripened banana

3.Slowed the ripening of unripened bananas

4.Slowed the ripening of oranges

Auxin means

1.To escape

2.To slow

3.To grow

4.To fasten

Auxins

Find the odd one.

1.Initiate rooting in stem cuttings

2.Promote flowering e.g. Pineapples

3.Prevent fruit and leaf drop at early stages

4.Prevent the abscission of older mature leaves and fruits

In most higher plants, the growing apical bud inhibits the growth of …….. or axillary buds, a phenomenon called………….

1.Lateral, lateral Dominance

2.Lateral, Apical Dominance

3.Apical, Lateral Dominance

4.Apical, Apical Dominance

For tea plantations, hedge-making, which of the following PGR is used?

1.Auxins

2.Cytokinins

3.GA3

4.ABA

Which of the following statements is correct?

1. All GAs are basic

2. All GAs are Acidic

3. Most of the GAs are Acidic

4. Most of the GAs are basic

Early seed production in…….. can be done by GAs

1.Pineapple

2.Grapes

3.Tomatoes

4.Conifers

For the induction of flowering, some plants require a

If a plant needs exposure of light more than a well defined critical period for flowering, it would be called as-

If a plant needs exposure of light less than a defined period for flowering, such plant is called