Q. No.Pneumatophores are found in plants growing in:
1. Xeric conditions
2. Swampy areas
3. Hypersaline environments
4. Permafrost conditions
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In papilionaceous aestivation:
1. standard overlaps the wings that overlap the keel
2. standard overlaps the keel that overlaps the wings
3. wings overlap the standard that overlaps the keel
4. keel overlaps the wings that overlap the standard
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The lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upwards giving rise to leafy shoots in:
| 1. Opuntia and Euphorbia | 2. Mint and Jasmine |
| 3. Pistia and Eichhornia | 4. Banana and Pineapple |
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Stamens attached to the perianth as in the flowers of lily are called as:
| 1. | Epipetalous | 2. | Epiphyllous |
| 3. | Polypetalous | 4. | Gamopetalous |
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Both stem tendrils and stem thorns:
1. help the plant to climb
2. develop from axillary buds
3. protect plants from browsing animals
4. can be used in vegetative propagation
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Ovary is one chambered but it becomes two chambered due to the formation of a false septum in:
| 1. | Mustard and Argemone | 2. | Argemone and Dianthus |
| 3. | Mustard and Primrose | 4. | Argemone and Primrose |
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Underground stems of potato, ginger, turmeric, Zaminkand and Colocasia:
I. Store food in them
II. Act as organs of perennation
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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Identify the correct statements amongst the following:
| I: | When a shoot tip transforms into a flower, it is always solitary |
| II: | In racemose inflorescence, the main axis continues to grow and flowers are borne in basipetal order |
| III: | In cymose inflorescence, the main axis terminates in a flower and flowers are borne in basipetal order |
| 1. | Only I | 2. | Only I and II |
| 3. | Only I and III | 4. | Only II and III |
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