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Q. No.The carbohydrate content of sugarcane can be increased with the help of:
1. ABA
2. Ethylene
3. GA
4. Auxin
Subtopic: Gibberellin |
91%
From NCERT
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Which of the following types of movement is/are exhibited by Auxin?
1. Only centripetal
2. Only basipetal
3. Only acropetal
4. Both acropetal abd basipetal
1. Only centripetal
2. Only basipetal
3. Only acropetal
4. Both acropetal abd basipetal
Subtopic: Growth |
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Which of the following hormones is associated with phototropic and geotropic movement plants?
1. Ethylene
2. GA
3. ABA
4. Auxin
1. Ethylene
2. GA
3. ABA
4. Auxin
Subtopic: Auxin Function |
84%
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Which of the following locations in plants have the highest concentration of auxin?
1. Young fruits
2. Shoot apices
3. Vascular cambium
4. Leaves
1. Young fruits
2. Shoot apices
3. Vascular cambium
4. Leaves
Subtopic: Growth Hormones & Auxin |
82%
From NCERT
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How many of the following PGRs can behave as growth inhibitors?
a. Ethylene
b. GA
c. ABA
d. Cytokinin
1. One
2. Two
3. Three
4. Four
a. Ethylene
b. GA
c. ABA
d. Cytokinin
1. One
2. Two
3. Three
4. Four
Subtopic: Seed Dormancy (OLD NCERT) |
81%
From NCERT
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Subtopic: Cytokinin |
88%
From NCERT
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Which of the following carotenoid-derived PGRs is an antagonist to terpene-derived PGRs?
1. ABA
2. Ethylene
3. Cytokinin
4. GA
1. ABA
2. Ethylene
3. Cytokinin
4. GA
Subtopic: Abscisic Acid |
83%
From NCERT
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Which of the following adenine derivatives may behave as an antagonist to indole compounds?
1. Kinetin
2. 2, 4-D
3. IAA
4. NAA
1. Kinetin
2. 2, 4-D
3. IAA
4. NAA
Subtopic: Growth Hormones & Auxin | Abscisic Acid |
81%
From NCERT
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"Certain region of plant shows tumourous growth". This is a result of
1. Differentiation
2. Dedifferentiation
3. Redifferentiation
4. Both Differentiation and redifferentiation
1. Differentiation
2. Dedifferentiation
3. Redifferentiation
4. Both Differentiation and redifferentiation
Subtopic: Growth | Differentiation, Dedifferentiation and Redifferentiation |
57%
From NCERT
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"Cells positioned away from root apical meristem differentiate as root cap cells, while those pushed to the periphery mature as epidermis". This is evidence for
1. Open form of differentiation in plants
2. Closed form of differentiation in plants
3. Closed form dedifferentiation in plants
4. Open form of dedifferentiation in plants
1. Open form of differentiation in plants
2. Closed form of differentiation in plants
3. Closed form dedifferentiation in plants
4. Open form of dedifferentiation in plants
Subtopic: Growth | Differentiation, Dedifferentiation and Redifferentiation |
73%
From NCERT
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