Q. No.
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The diagram shows water hyacinth. It reproduces by the sub aerial modification of stem known as:
1. Runner
2. Stolon
3. Offset
4. Sucker
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Match type of adhesion of stamens with example and select the correct answer from the codes given:
| Adhesion of stamens | Example | ||
| A. | Epipetalous | a. | Datura |
| B. | Epiphyllous | b. | Tulip |
| C. | Gynandrous | c. | Calotropis |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | b | a | c |
| 3. | c | a | b |
| 4. | a | c | b |
The arrow shows structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. This is called as:
1. Thalamus
2. Gynandrophore
3. Peduncle
4. Hypanthium
A shows underwater leaves and B above water leaves in Limnophila heterophylla. This is an example of:
1. Norm of reaction
2. Developmental noise
3. Incomplete penetrance
4. Phenotypic plasticity
The structure shown be arrow in the given picture is called as:
1. Involucre
2. Spathe
3. Glume
4. Epicalyx
The condition of the stamens in the given picture is:
1. Didynamous
2. Tetradynamous
3. Synandrous
4. Syngenesious
The sub-aerial modification of the stem shown below is:
1. Stolon
2. Runner
3. Rhizome
4. Offset
The type of placentation of ovules in the following flower is known as:
1. Basal
2. Free central
3. Marginal
4. Parietal
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