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Q. No.Which of the following algae is not haplo-diplontic?
1.
Kelps
2.
Ectocarpus
3.
Spirogyra
4.
Polysiphonia
Subtopic: Algae |
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Level 3: 35%-60%
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Which of the following statements would be true for brown algae?
| 1. | Major pigments are chlorophyll a, c and fucoxanthin. |
| 2. | Food is stored as floridean starch. |
| 3. | Vegetative cells have wall made of cellulose, pectin and polysulphate esters. |
| 4. | Flagellar number and insertions are 2, equal and apical. |
Subtopic: Pheophyceae: Brown Algae |
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What is common in all the three, Funaria, Dryopteris and Ginkgo?
| 1. | Presence of archegonia |
| 2. | Well-developed vascular tissues |
| 3. | Independent gametophyte |
| 4. | Independent sporophyte |
Subtopic: Miscellaneous |
58%
Level 3: 35%-60%
NEET - 2013
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Unlike bryophytes and pteridophytes, in gymnosperms:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | the male and the female gametophytes do not have an independent free-living existence. |
| II: | vascular tissues [xylem and phloem] are present. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: General Accounts of Gymnosperms: II |
Level 3: 35%-60%
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Given below are two statements:
| Assertion (A): | Water is required for transfer of male gametes to archegonium in ferns |
| Reason (R): | Ferns bear sporangia on gametophytes which in turn bear diploid sex organs |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Pteridophytes |
Level 3: 35%-60%
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Select the incorrect statement about artificial system of classification of Linnaeus
| 1. | It is called artificial system because it is based on only one or two characters |
| 2. | It was based on androecium structure |
| 3. | It is also called sexual system as he chiefly used characters of stamens |
| 4. | It divides flowering and non-flowering plants into two categories |
Subtopic: Classification System |
Level 3: 35%-60%
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| Statement I: | Red algae do not occur in well-lighted regions close to the surface of water. |
| Statement II: | Red algae reproduce by non-motile spores and non-motile gametes. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
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The given figure shows:
1. Only I is correct
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
| I: | The male gametophyte of Marchantia |
| II: | Hair like multicellular, branched true roots on the margins of the plant body. |
| III: | Sexual reproductive cup like structures on the dorsal surface of the plant. |
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
Subtopic: Bryophytes |
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Level 3: 35%-60%
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Where does the early embryonic development of zygote in bryophytes take place?
| 1. | In the Protonema. | 2. | In the Sporangium. |
| 3. | In the Antheridium. | 4. | In the Archegonium. |
Subtopic: Bryophytes |
59%
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Which one of the following pairs is wrongly matched?
| 1. | Salvinia - Prothallus | 2. | Viroids – RNA |
| 3. | Mustard-Synergids | 4. | Ginkgo-Archegonia |
Subtopic: Miscellaneous |
Level 3: 35%-60%
AIPMT - 2012
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