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Q. No.Which of the following statement is correct?
| 1. | Ovules are not enclosed by the ovary wall in gymnosperms. |
| 2. | Selaginella is heterosporous, while Salvinia is homosporous. |
| 3. | Horsetails are gymnosperms. |
| 4. | Stems are usually unbranched in both Cycas and Cedrus. |
Subtopic: Â Gymnosperms: I |Â Gymnosperms |
 81%
Level 1: 80%+
NEET - 2018
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Which one is wrongly matched?
| 1. | Uniflagellate gametes - Polysiphonia |
| 2. | Biflagellate zoospores - Brown algae |
| 3. | Gemma cups - Marchantia |
| 4. | Unicellular organism - Chlorella |
Subtopic: Â Rhodophyceae: Red Algae and Importance of Algae |
 84%
Level 1: 80%+
NEET - 2018
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Subtopic: Â Algae |
 91%
Level 1: 80%+
NEET - 2017
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Select the mismatch
| 1. | Cycas - Dioecious | 2. | Salvinia - Heterosporous |
| 3. | Equisetum - Homosporous | 4. | Pinus - Dioecious |
Subtopic: Â Miscellaneous |
 72%
Level 2: 60%+
NEET - 2017
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Conifers are adapted to tolerate extreme environmental conditions because of
| 1. | broad hardy leaves | 2. | superficial stomata |
| 3. | thick cuticle | 4. | the presence of vessels |
Subtopic: Â Examples of Gymnosperms |
 86%
Level 1: 80%+
NEET - 2016
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Select the correct statement.
1. Salvinia, Ginkgo and Pinus all are gymnosperms
2. Sequoia is one of the tallest trees
3 The leaves of gymnosperms are not well adapted to extremes of climate
4. Gymnosperms are both homosporous and heterosporous
Subtopic: Â General Accounts of Gymnosperms: II |Â Examples of Gymnosperms |Â Gymnosperms |
 83%
Level 1: 80%+
NEET - 2016
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Which one of the following statements is wrong?
| 1. | Algae increase the level of dissolved oxygen in the immediate environment |
| 2. | Algin is obtained from red algae and carrageenan from brown algae |
| 3. | Agar-agar is obtained from Gelidium and Gracilaria |
| 4. | Laminaria and Sargassum are used as food |
Subtopic: Â Algae |
 88%
Level 1: 80%+
NEET - 2016
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In bryophytes and pteridophytes, transport of male gametes requires?
| 1. | insects | 2. | birds |
| 3. | water | 4. | wind |
Subtopic: Â Bryophytes |Â Pteridophytes |
 92%
Level 1: 80%+
NEET - 2016
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Select the correct statement:
| 1. | Salvinia, Ginkgo and Pinus all are gymnosperms |
| 2. | Sequoia is one of the tallest trees |
| 3. | The leave of gymnosperms are not well adapted to extremes of climate |
| 4. | Gymnosperms are both homosporous and heterosporous |
Subtopic: Â Examples of Gymnosperms |
 87%
Level 1: 80%+
NEET - 2016
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Select Chapter Topics:
- 1(current)
Q. No.
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