How many of the following PGRs does/do not show acidic nature?
A. Auxin         
B. Gibberellins
C. Cytokinin     
D. Ethylene
E. ABA

1. One
2. Two
3. Three
4. Four

Subtopic:  Growth Hormones & Auxin |
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Shelf-life of fruits can be increased by applications of:
1. Auxins
2. GA
3. Ethylene
4. ABA
Subtopic:  Gibberellin |
 76%
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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 
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
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
Subtopic:  Growth Hormones & Auxin |
 82%
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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
Subtopic:  Seed Dormancy (OLD NCERT) |
 81%
From NCERT
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Which of the following PGRs is not found naturally?
1, GA
2. Ethylene
3. ABA
4. Kinetin 
Subtopic:  Cytokinin |
 88%
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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
Subtopic:  Abscisic Acid |
 83%
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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
Subtopic:  Growth Hormones & Auxin | Abscisic Acid |
 81%
From NCERT
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