Which of the given hormones is used to produce parthenocarpic or seedless banana and tomatoes?

1. Auxin

2. Cytokinin

3. Abscisic acid

4. Kinetin

Which of the following is not an inhibitory substance governing seed dormancy?

1. Abscisic acid

2. Phenolic acid

3. Para-ascorbic acid

4. Gibberellic acid

Match the following :-

1. (i) (b), (ii) (a), (iii) (d), (iv) (c)

2. (i) (b), (ii) (a), (iii) (c), (iv) (d)

3. (i) (a), (ii) (b), (iii) (d), (iv) (c)

4. (i) (b), (ii) (d), (iii) (a), (iv) (c)

Read following statements and answer in suitable term given in option:-

a. The promotion of flowering by a period of low temperature

b. Hormonal substance migrates from leaves to shoot for inducing flowering 

c. The general metabolic activity of the embryo slow down or in inactive state 

d. Formation of separation layer between tissue

1. Photoperiodism, vernalisation, abscission layer, dormancy

2. Vernalisation, photoperiodism, dormancy, abscission layer

3. Dormancy, photoperiodism, vernalisation, abscission layer

4. Abscission layer, vernalisation, dormancy, photoperiodism 

Plant growth regulator, which promotes senescence and abscission of plant organs, is also related to which of the following physiological effects?

1. Thinning of cotton, cherry, and walnut

2. Overcome apical dominance

3. Early seed production in conifers

4. Formation of new leaves

Ethylene is used for

1. retarding ripening of tomatoes

2. the hastening of ripening of fruits

3. slowing down the ripening of apples

4. Both 2. and 3.

Coconut water contains

1. ABA

2. auxin

3. cytokinin

4. gibberellin

The effect of apical dominance can be overcome by which of the following hormone?

1. IAA

2. Ethylene

3. Gibberellin

4. Cytokinin

Match the Following:

Codes
 

The term synergistic action of hormones refers to