- 1(current)
Q. No.The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of:
1. NAA, 2, 4-D
2. GA3
3. Cytokinin
4. IAA, IBA
1. NAA, 2, 4-D
2. GA3
3. Cytokinin
4. IAA, IBA
Subtopic: Â Auxin Function |
From NCERT
NEET - 2013
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Subtopic: Â Growth Hormones & Auxin |Â Auxin Function |
 85%
From NCERT
AIPMT - 2009
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Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in:
| 1. | vessels and tracheid differentiation |
| 2. | leaf abscission |
| 3. | annual plants |
| 4. | floral parts. |
Subtopic: Â Auxin Function |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
 66%
AIPMT - 2008
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Parthenocarpic tomato fruits can be produced by:
| 1. | removing androecium of flowers before pollen grains are released |
| 2. | treating the plants with low concentrations of gibberellic acid and auxins |
| 3. | raising the plants from vernalised seeds |
| 4. | treating the plants with phenylmercuric acetate |
Subtopic: Â Auxin Function |Â Gibberellin |
 67%
From NCERT
AIPMT - 2006
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How does pruning help in making the hedge dense?
| 1. | It includes the differentiation of new shoots from the rootstock |
| 2. | It frees axillary buds from apical dominance |
| 3. | The apical shoot grows faster after pruning |
| 4. | It releases wound hormones |
Subtopic: Â Auxin Function |
 59%
AIPMT - 2006
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