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Q. No.Match the following (Column I with Column II)
Column I
Column II
a
Ethephon
(i)
GA
b
Terpene
(ii)
Ethylene
c
Zeath
(iii)
Natural auxin
d
IAA
(iv)
Cytokinin
1.
a(ii), b(i), c(iii), d(iv)
2.
a(ii), b(i), c(iv), d(iii)
3.
a(iv), b(ii), c(iii), d(iv)
4.
a(i), b(ii), c(iii), d(iv)
Subtopic: Growth Hormones & Auxin | Gibberellin | Cytokinin |
87%
Level 1: 80%+
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Match the following (Column I with Column II)
| Column I | Column II | ||
| a | Weedicide | (i) | GA3 |
| b | Bolting | (ii) | Cytokinin |
| c | Thinning of cotton | (iii) | Ethylene |
| d | Lateral shoot growth | (iv) | 2,4-D |
| 1. | a(iii), b(ii), c(iv), d(i) |
| 2. | a(iv), b(i), c(iii), d(ii) |
| 3. | a(iv), b(i), c(ii), d(iii) |
| 4. | a(iv), b(ii), c(iii), d(i) |
Subtopic: Growth Hormones & Auxin | Gibberellin | Cytokinin | Ethylene |
81%
Level 1: 80%+
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Find odd one w.r.t. differentiation
1. Loss of nucleus in sieve
2. Death of protoplasm in tracheary elements
3. Callus formation
4, Lignification in vessels
1. Loss of nucleus in sieve
2. Death of protoplasm in tracheary elements
3. Callus formation
4, Lignification in vessels
Subtopic: Growth | Growth Hormones & Auxin |
62%
Level 2: 60%+
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Which abiotic factor is not essential for early growth of the plant but growth is sustained only in its presence?
1. Water
2. Oxygen
1. Water
2. Oxygen
3. Nutrients
4. Light
4. Light
Subtopic: Growth |
56%
Level 3: 35%-60%
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Which of the following is not a function of water in plants?
1. It is responsible for cell elongation
2. It maintains the turgidity of cells
3. It acts as a source of energy
4. It provides medium for enzymatic activities
1. It is responsible for cell elongation
2. It maintains the turgidity of cells
3. It acts as a source of energy
4. It provides medium for enzymatic activities
Subtopic: Growth |
72%
Level 2: 60%+
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What happens to the growth of roots during water logging conditions?
1. Growth is accelerated
2. Growth is inhibited
3. Growth remains constant
4. First growth is accelerated and then stops
1. Growth is accelerated
2. Growth is inhibited
3. Growth remains constant
4. First growth is accelerated and then stops
Subtopic: Growth |
Level 3: 35%-60%
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A Leaf of 20 cm2 grows 5 cm2 per hour and B Leaf of 25 cm2 grows 5 cm2 per hour
The relative growth rate of leaf A and B respectively is
1. 25% and 20%
2. 20% and 25%
3. 50% and 100%
4. 25% and 50%
The relative growth rate of leaf A and B respectively is
1. 25% and 20%
2. 20% and 25%
3. 50% and 100%
4. 25% and 50%
Subtopic: Growth | Growth Model |
68%
Level 2: 60%+
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__________ curve is obtained for cells in culture.
1. J-shaped
2. Linear
3. V-shaped
4. S-shaped
1. J-shaped
2. Linear
3. V-shaped
4. S-shaped
Subtopic: Growth | Growth Model |
71%
Level 2: 60%+
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Which phase of a sigmoid curve explains the initial phase of growth when growth rate is very slow?
1. Log phase
2. Lag phase
3. stationary phase
4. Maturation phase
1. Log phase
2. Lag phase
3. stationary phase
4. Maturation phase
Subtopic: Growth | Growth Model |
81%
Level 1: 80%+
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Deposition of new materials inside the cell wall of cells starts in
1. Meristematic phase
2. Reproductive phase
3. Maturation phase
4. Elongation phase
1. Meristematic phase
2. Reproductive phase
3. Maturation phase
4. Elongation phase
Subtopic: Growth |
57%
Level 3: 35%-60%
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