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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%
From NCERT
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
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 |
 83%
From NCERT
NEET - 2018
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Subtopic: Â Algae |
 91%
From NCERT
NEET - 2017
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Select the mismatch
1. Cycas - Dioecious
2. Salvinia - Heterosporous
3. Equisetum - Homosporous
4. Pinus - Dioecious
Subtopic: Â Gymnosperms: I |Â Gymnosperms |
 72%
From NCERT
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%
From NCERT
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%
From NCERT
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 |
 87%
From NCERT
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%
From NCERT
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%
From NCERT
NEET - 2016
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Select Chapter Topics:
- 1(current)
Q. No.
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