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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyList - I | List - II | ||
(A) | Auxin | (I) | Promotes female flower formation in cucumber |
(B) | Gibberellin | (II) | Overcoming apical dominance |
(C) | Cytokinin | (III) | Increase in the length of grape stalks |
(D) | Ethylene | (IV) | Promotes flowering in pineapple |
Options: | (A) | (B) | (C) | (D) |
1. | II | I | IV | III |
2. | IV | III | II | I |
3. | I | III | IV | II |
4. | III | II | I | IV |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRemoval of apical dominance by decapitation is utilised for:
1. Suppressing the activity of intercalary meristem
2. Early senescence
3. Hedge making
4. Preparing weed-free lawns
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe plant hormone used to destroy weeds in a field is:
1. 2, 4-D
2. IBA
3. IAA
4. NAA
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIt 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRemoval of shoot tips is a very useful technique to boost the production of tea leaves. This is because:
1. | Gibberellins prevent bolting and are inactivated. |
2. | Auxins prevent leaf drop at early stages. |
3. | Effect of auxins is removed and the growth of lateral buds is enhanced. |
4. | Gibberellins delay the senescence of leaves. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology