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Q. No.Fucoxanthin is an important pigment in:
1. Red algae
2. Blue-green algae
3. Green algae
4. Brown algae
Subtopic: Pheophyceae: Brown Algae |
88%
From NCERT
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Life cycles of Polysiphonia and Fucus respectively are:
1. Diplontic, Haplodiplontic
2. Haplodiplontic, Diplontic
3. Haplodiplontic, Haplontic
4. Haplontic, Diplontic
1. Diplontic, Haplodiplontic
2. Haplodiplontic, Diplontic
3. Haplodiplontic, Haplontic
4. Haplontic, Diplontic
Subtopic: Life Cycle Patterns in Plants (OLD NCERT) |
83%
From NCERT
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Which of the following statement is correct?
| 1. | Ovules are enclosed by ovary wall in gymnosperms |
| 2. | Selaginella is heterosporous, while Salvinia is homosporous |
| 3. | Pteridophytes are the first terrestrial plants to possess xylem and phloem. |
| 4. | Stems are usually unbranched in both Cycas and Pinus |
Subtopic: Pteridophytes |
90%
From NCERT
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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 |
67%
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 |
65%
From NCERT
NEET - 2023
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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 |
74%
From NCERT
NEET - 2023
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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 |
89%
From NCERT
NEET - 2023
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Which of the following statements is true?
| 1. | All pteridophytes exhibit haplo-diplontic pattern. |
| 2. | Seed bearing plants follow haplontic pattern |
| 3. | Most algal genera are diplontic |
| 4. | Most bryophytes do not have haplo-diplontic life cycle. |
Subtopic: Life Cycle Patterns in Plants (OLD NCERT) |
68%
From NCERT
NEET - 2023
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Given below are two statements:
| Assertion (A): | Porphyra is a member of Rhodophyceae and called red alga |
| Reason (R): | Predominant pigment in Porphyra is a red pigment, r-phycoerythrin |
| 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: Rhodophyceae: Red Algae and Importance of Algae |
83%
From NCERT
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