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Q. No.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: Â Bryophytes |
 68%
Level 2: 60%+
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: Â Pteridophytes |
 88%
Level 1: 80%+
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: Â Gymnosperms |
 68%
Level 2: 60%+
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: Â Pheophyceae: Brown Algae |Â Rhodophyceae: Red Algae and Importance of Algae |
 90%
Level 1: 80%+
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. |
 68%
Level 2: 60%+
NEET - 2023
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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: Â Algae |
 74%
Level 2: 60%+
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: Â Chlorophyceae: Green Algae: I |
 81%
Level 1: 80%+
NEET - 2022
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Match the plant with the kind of life cycle it exhibits:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (a) | Spirogyra | (i) | Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| (b) | Fern | (ii) | Dominant haploid free-living gametophyte |
| (c) | Funaria | (iii) | Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| (d) | Cycas | (iv) | Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
Subtopic: Â Algae |Â Bryophytes |Â Pteridophytes |Â Gymnosperms |
 69%
Level 2: 60%+
NEET - 2022
Hints
Match List-I with List-II:
| List-I | List-II | ||
| a. | Cedrus | (i) | Pteridophyte |
| b. | Adiantum | (ii) | Gymnosperm |
| c. | Sphagnum | (iii) | Liverwort |
| d. | Marchantia | (iv) | Moss |
Choose the correct answer from the options given below:
| a | b | c | d | |
| 1. | (ii) | (iii) | (i) | (iv) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iii) | (iv) | (ii) | (i) |
Subtopic: Â Bryophytes |Â Pteridophytes |Â Gymnosperms |
 88%
Level 1: 80%+
NEET - 2022
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Which one of the following structures is haploid in its ploidy level?
1. Primary Endospore Nucleus
2. Microspore Mother cell
3. Protonemal cell of a moss
4. Primary endosperm nucleus in dicot
Subtopic: Â Bryophytes |
 75%
Level 2: 60%+
NEET - 2022
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