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Q. No.Subtopic: Growth Model |
87%
From NCERT
NEET - 2015
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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: Auxin Function | Gibberellin |
67%
From NCERT
AIPMT - 2006
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An enzyme that can stimulate the germination of barley seeds is:
1. -amylase
2. lipase
3. protease
4. invertase
Subtopic: Gibberellin |
75%
AIPMT - 2006
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Ethylene is related with:
| 1. | Aerobic respiration |
| 2. | Climacteric phenomenon |
| 3. | Anaerobic respiration |
| 4. | Fermentation |
Subtopic: Ethylene |
70%
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Subtopic: Growth Hormones & Auxin | Cytokinin |
93%
From NCERT
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Which of the following properties is shown by cytokines?
| 1. | Delay leaf senescence |
| 2. | Cause leaf abscission |
| 3. | Promote seed dormancy |
| 4. | Promote stomatal closing |
Subtopic: Cytokinin |
78%
From NCERT
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Subtopic: Gibberellin |
73%
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Hormone inducing fruit ripening is:
1. cytokinin
2. Ethylene
3. abscissic acid
4. gibberellic acid
Subtopic: Ethylene |
92%
From NCERT
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It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
1. Cytokinin and Abscisic acid
2. Auxin and Ethylene
3. Gibberellin and Cytokinin
4. Gibberellin and Abscisic acid
Subtopic: Auxin Function | Ethylene |
82%
From NCERT
NEET - 2019
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What is the site of perception of photoperiod necessary for induction of flowering in plants?
1. Leaves
2. Lateral buds
3. Pulvinus
4. Shoot apex
85%
From NCERT
NEET - 2019
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