- 1(current)
Q. No.Match the Following:
|
Column I |
Column II |
|
A. IAA B. ABA C. Ethylene D. GA E. Cytokinin |
1. Herring sperm DNA. 2. Bolting 3. Stomatal closure 4. Weed-free lawns 5. Ripening of fruits. |
Codes
| Options: | A | B | C | D | E |
| 1. | 4 | 3 | 5 | 2 | 1 |
| 2. | 5 | 3 | 4 | 2 | 1 |
| 3. | 4 | 1 | 4 | 3 | 2 |
| 4. | 5 | 3 | 2 | 4 | 4 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following statements regarding a certain plant growth regulator:
| I. | They are a class of plant growth substances that promote cell division. |
| II. | They are primarily involved in cell growth, differentiation, and other physiological processes. |
| III. | Their effects were first discovered through the use of coconut milk by Folke Skoog. |
This plant hormone must be:
1. Auxin
2. Cytokinin
3. Giberrellin
4. Ethylene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements and choose the correct option.
Statement A: Cytokinin isolated from unripe maize grains is known as zeatin.
Statement B: Cytokinin delays senescence.
1. Only A is correct
2. Only B is correct
3. Both A & B are correct
4. Both A & B are incorrect
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(i) GA causes increase in length of grape stalks and causes apples to elongate and improve its shape
(ii) GA causes bolting in beet, cabbage and many plants with rosette habit
(iii) Kinetin is a modified cytosine
(iv) Cytokinins are abundant in root apices, developing shoot buds and young fruits
(v) Cytokinins cause lateral shoot growth and adventitious shoot formation
Which of the above statements are correct?
1. (i) , (ii) and (iii)
2. (ii) only
3. (iii) and (iv)
4. (i) , (ii) , (iv) and (v)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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