- 1(current)
Q. No.Conifers are adapted to tolerate extreme environmental conditions because of
| 1. | presence of vessels | 2. | broad hardy leaves |
| 3. | superficial stomata | 4. | thick cuticle |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the mismatch:
| 1. | Pinus - Dioecious | 2. | Cycas - Dioecuous |
| 3. | Salvinia - Heterosporous | 4. | Equisetum - Homosporous |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPollen chamber present in gymnosperms represents
1. Microsporangium
2. Pollen grain cell where sperms are formed
3. Opening of megagametophyte for passage of pollen tube to egg
4. Cavity in nucellus for resting pollen grains after pollination
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe gymnosperms, Pines, are unique because they produce:
| 1. | leaves in fascicles | 2. | true leaves |
| 3. | cones | 4. | archegonia |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe microstrobilus in gymnosperms represents the:
| 1. | "female" cone | 2. | megasporangium-bearing cone |
| 3. | pollen-bearing cone | 4. | none of these |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrect statement regarding gymnosperms in general:
| 1. | They are heterosporous |
| 2. | Megaspore mother cell is differentiated from a cell in the nucellus |
| 3. | Multicellular female gametophyte is retained on the megasporangium |
| 4. | The male gametophyte has a large number of cells |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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