Q. No.A leaf is said to be compound when:
| 1. | Leaf base is swollen |
| 2. | Lamina bears multiple leaflets |
| 3. | It shows reticulate venation |
| 4. | Petiole is modified into tendril |
Subtopic: Â Morphology of Leaf |
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Pulvinus is
| 1. | Flattened petiole in some xerophytic plants |
| 2. | Swollen leaf base in some leguminous plants |
| 3. | Small leaf like structure near the leaf base |
| 4. | Leaf sheath covering the stem |
Subtopic: Â Morphology of Leaf |
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In some leguminous plants the leaf base may become swollen and is called as:
1. Stipule
2. Pulvinus
3. Sheath
4. Hydathode
Subtopic: Â Morphology of Leaf |
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Subtopic: Â Morphology of Leaf |
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Match Column I with Column II -
| Column I | Column II | ||
| A. | Bud in the axile of leaf | I. | Pitcher plant and Venus Fly trap |
| B. | Bud is absent in the axile of leaflets | II. | Cacti |
| C. | Spines (modified leaves) | III. | Compound leaf |
| D. | Leaves modified to catch insects | IV. | Simple leaf |
| E. | Fleshly leaves with stored food | V. | Garlic and onion |
| A | B | C | D | E | |
| 1. | I | II | III | IV | V |
| 2. | V | IV | III | II | I |
| 3. | IV | III | II | I | V |
| 4. | IV | II | III | I | V |
Subtopic: Â Morphology of Leaf |
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The incorrect statement is:
| 1. | In pinnately compound leaf, rachis is present |
| 2. | Rachis, actually represents the mid-rib of the leaf in a pinnately compound leaf |
| 3. | In palmately compound leaf, rachis is present |
| 4. | Silk cotton has a palmately compound leaf |
Subtopic: Â Morphology of Leaf |Â Modification of Leaf |
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Leaf base may bear two lateral small leaf like structures called
1. Lamina
2. Pulvinus
3. Stipules
4. Sepals
Subtopic: Â Morphology of Leaf |
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Leaves originate from:
| 1. | Shoot apical meristems and arranged in acropetal order |
| 2. | Shoot apical meristems and arranged in basipetal order |
| 3. | Bark |
| 4. | Root apical meristem |
Subtopic: Â Morphology of Leaf |
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The fluttering of the leaf blade is facilitated by
| 1. | Swollen pulvinus |
| 2. | Membranous sheath |
| 3. | Long and thin Petiole |
| 4. | Broad lamina |
Subtopic: Â Morphology of Leaf |
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A bud is present in:
| I: | the axil of petiole in simple leaf |
| II: | the axil of petiole in compound leaf |
| III: | the axil of leaflets of the compound leaf |
1. Only I and II are correct
2. Only I is correct
3. Only II and III are correct
4. Only II is correct
Subtopic: Â Morphology of Leaf |
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