- 1(current)
Q. No.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 |
 90%
Level 1: 80%+
Hints
How many of the following can help in breaking seed dormancy?
1. Changing the environmental condition like light & temperature.
2. Application of GA3 or nitrates.
3. Chilling condition.
4. All the above
 91%
Level 1: 80%+
Hints
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
 78%
Level 2: 60%+
NEET - 2020
Hints
Which of the following is not a natural mean to remove seed coat?
| 1. | Microbial action |
| 2. | Passage through Digestive tract |
| 3. | Vigorous shaking |
| 4. | Both (2) and (3) |
 58%
Level 3: 35%-60%
Hints
Plant growth promoters are not involved in
| 1. | Cell division, cell enlargement |
| 2. | Pattern formation, seed formation |
| 3. | Dormancy, Abscission |
| 4. | Fruiting and Flowering |
Subtopic: Â Abscisic Acid |
 65%
Level 2: 60%+
Hints
Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
1. Gibberellic acid
2. Nitrate
3. Ascorbic acid
4. Chilling conditions
 55%
Level 3: 35%-60%
NEET - 2020
Hints
- 1(current)
Q. No.
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