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Q. No.Read the following statements and choose the set of correct statements:
In the members of Phaeophyceae,
Choose the correct answer from the options given below:
1. B, C, D and E only
2. A, C, D and E only
3. A, B, C and E only
4. A, B, C and D only
In the members of Phaeophyceae,
| A: | Asexual reproduction occurs usually by biflagellate zoospores. |
| B: | Sexual reproduction is by oogamous method only. |
| C: | Stored food is in the form of carbohydrates which is either mannitol or laminarin. |
| D: | The major pigments found are chlorophyll a, c and carotenoids and xanthophyll. |
| E: | Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin. |
Choose the correct answer from the options given below:
1. B, C, D and E only
2. A, C, D and E only
3. A, B, C and E only
4. A, B, C and D only
Subtopic: Pheophyceae: Brown Algae |
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From NCERT
NEET - 2024
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Match List-I with List-II
Choose the correct answer from the options given below :
1. A-I, B-III, C-II, D-IV
2. A-IV, B-III, C-II, D-I
3. A-III, B-II, C-IV, D-I
4. A-II, B-I, C-IV, D-III
| List-I | List-II | ||
| A. | Microscopic angiosperm | I. | Salvinia |
| B. | Tallest gymnosperm | II. | Marchantia |
| C. | Thalloid bryophyte | III. | Sequoia |
| D. | Heterosporous pteridophyte | IV. | Wolffia |
1. A-I, B-III, C-II, D-IV
2. A-IV, B-III, C-II, D-I
3. A-III, B-II, C-IV, D-I
4. A-II, B-I, C-IV, D-III
Subtopic: Bryophytes | General Account of Angiosperms (OLD NCERT) | Pteridophytes | Gymnosperms |
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NEET - 2024
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Which of the following is the correct match?
1. Gymnosperms: Cedrus, Pinus, Sequoia
2. Angiosperms: Wolffia, Eucalyptus, Sequoia
3. Bryophytes : Polytrichum, Polysiphonia, Sphagnum
4. Pteridophytes : Equisetum, Ginkgo, Adiantum
1. Gymnosperms: Cedrus, Pinus, Sequoia
2. Angiosperms: Wolffia, Eucalyptus, Sequoia
3. Bryophytes : Polytrichum, Polysiphonia, Sphagnum
4. Pteridophytes : Equisetum, Ginkgo, Adiantum
Subtopic: Examples of Gymnosperms |
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Give below are two statements : One is labelled as Assertion (A) and the other is labelled Reason (R) :
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | The first stage of gametophyte in the life cycle of moss is protonema stage. |
| Reason (R): | Protonema develops directly from spores produced in capsule. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Bryophytes |
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From NCERT
NEET - 2023
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Identify the pair of heterosporous pteridophytes among the following :
1. Equisetum and Salvinia
2. Lycopodium and Selaginella
3. Selaginella and Salvinia
4. Psilotum and Salvinia
1. Equisetum and Salvinia
2. Lycopodium and Selaginella
3. Selaginella and Salvinia
4. Psilotum and Salvinia
Subtopic: Pteridophytes |
87%
From NCERT
NEET - 2023
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | In gymnosperms, the pollen grains are released from the microsporangium and carried by air currents. |
| Reason (R): | Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed. |
| 1. | (A) is False, (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is True, (R) is False. |
Subtopic: Gymnosperms |
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Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Pteropsida | (I) | Psilotum |
| (B) | Lycopsida | (II) | Equisetum |
| (C) | Psilopsida | (III) | Adiantum |
| (D) | Sphenopsida | (IV) | Selaginella |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | III | I | IV |
| 2. | III | I | IV | II |
| 3. | II | III | IV | I |
| 4. | III | IV | I | II |
Subtopic: Pteridophytes |
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Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively?
1. Phaeophyceae and Chlorophyceae
2. Phaeophyceae and Rhodophyceae
3. Chlorophyceae and Rhodophyceae
4. Rhodophyceae and Phaeophyceae
1. Phaeophyceae and Chlorophyceae
2. Phaeophyceae and Rhodophyceae
3. Chlorophyceae and Rhodophyceae
4. Rhodophyceae and Phaeophyceae
Subtopic: Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae |
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Hydrocolloid carrageen is obtained from:
1. Phaeophyceae only
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only
1. Phaeophyceae only
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only
Subtopic: Algae |
73%
From NCERT
NEET - 2022
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Which of the following is incorrectly matched?
1. Volvox - Starch
2. Ectocarpus - Fucoxanthin
3. Ulothrix - Mannitol
4. Porphyra - Floridian starch
1. Volvox - Starch
2. Ectocarpus - Fucoxanthin
3. Ulothrix - Mannitol
4. Porphyra - Floridian starch
Subtopic: Chlorophyceae: Green Algae: I |
80%
From NCERT
NEET - 2022
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