Q. No.The maximum growth rate occurs in:
1.
Senescent phase
2.
Lag phase
3.
Exponential phase
4.
Stationary phase
Cell elongation in internodal regions of the green plants takes place due to:
| 1. | Cytokinins | 2. | Gibberellins |
| 3. | Ethylene | 4. | Indole acetic acid |
What is a phytotron:
| 1. | A device to grow the plants in a controlled environment |
| 2. | Growing plants in greenhouse |
| 3. | Radiation chamber to induce the mutations |
| 4. | Apparatus to study the effect of light on plants |
Exponential growth is shown by:
1. Unicellular forms
2. A cell in tissue culture
3. Embryo
4. Multicellular plants
If the apical bud has been removed then we observe:
1. More lateral branches
2. More axillary buds
3. Plant growth stops
4. Flowering stops
Which hormone is responsible for fruit ripening:
| 1. | Ethylene | 2. | Auxin |
| 3. | Ethyl chloride | 4. | Cytokinin |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 265248
By which action a seed coat becomes permeable to water:
1. Scarification
2. Stratification
3. Vernalization
4. All of the above
Which of the following PGR is present in coconut milk which is used in tissue culture?
| 1. | Cytokinin | 2. | Auxin |
| 3. | Gibberellin | 4. | Ethylene |
Which pigment absorbs the red and far red light:
1. Cytochrome
2. Phytochrome
3. Carotenoids
4. Chlorophyll
© 2026 GoodEd Technologies Pvt. Ltd.