Q. No.Identify the incorrectly matched pair:
Scientist
PGR discovery
1.
Cousins
Ethylene
2.
Kurosawa
Gibberellin
3.
Skoog and Miller
ABA
4.
F. W. Went
Auxin
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Callus from internodal segments of tobacco stem gets proliferated only if in addition to one of the following – extracts of vascular tissues, yeast extract, coconut milk or DNA, the nutrient medium also contains:
| 1. Auxins | 2. Gibberellins |
| 3. ABA | 4. Ethylene |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Auxin was first isolated from:
| 1. | Coconut milk | 2. | Barley endosperm |
| 3. | Oat coleoptiles | 4. | Human urine |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Auxin does not:
1. Help to initiate rooting in stem cuttings
2. Promote female flowers in cucumbers
3. Prevent fruit and leaf drop in early stages
4. Promote abscission of older mature leaves and fruits
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To extend their market period, fruits can be left on trees longer by the application of:
| 1. | Auxin | 2. | Gibberellins |
| 3. | Cytokinin | 4. | ABA |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Kinetin was first discovered from:
| 1. | Herring sperm DNA | 2. | Coconut milk |
| 3. | Yeast extract | 4. | Corn kernels |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Cytokinins do not help in:
1. Production of new leaves
2. Lateral shoot growth
3. Adventitious shoot formation
4. Promotion of apical dominance
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Cytokinins help in delay of leaf senescence because they:
| 1. | Promote new leaves formation |
| 2. | Help overcome apical dominance |
| 3. | Help in chloroplast formation in leaves |
| 4. | Promote nutrient mobilization |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Normally, when the seeds are mature, ethylene production increases and builds-up within the fruit, resulting in a climactic event that means:
| 1. | A sudden spurt of growth | 2. | Leaf expansion |
| 3. | Rise in respiratory rate | 4. | Death of radicle |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which PGR is used to initiate flowering and for synchronizing fruit set in pineapple?
| 1. | Cytokinin | 2. | ABA |
| 3. | Ethylene | 4. | GA |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.