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Q. No.Select the option not related to gymnosperms
Column I
Column II
1.
Roots
Tap/coralloid
2.
Leaves
Simple/Compound
3.
Stem
Branched/Unbranched
4.
Spores
Homo/Heterospores
Subtopic: Gymnosperms |
78%
From NCERT
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Male gametophyte in gymnosperms is called
1. Antherozoid
2. Antheridium
3. Pollen grain
4. Generative cell
1. Antherozoid
2. Antheridium
3. Pollen grain
4. Generative cell
Subtopic: Gymnosperms |
68%
From NCERT
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In Cycas which of the following structures is not seen?
1. Megasporophyll
2. Male cone
3. Female cone
4. Pinnate leaves
1. Megasporophyll
2. Male cone
3. Female cone
4. Pinnate leaves
Subtopic: Gymnosperms |
From NCERT
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Gametophytes are dependent on sporophyte in all
1. Seed plants
2. Vascular plants
3. Embryophytes
4. Heterosporous plants
1. Seed plants
2. Vascular plants
3. Embryophytes
4. Heterosporous plants
Subtopic: General Account of Angiosperms (OLD NCERT) | Gymnosperms |
From NCERT
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Each embryo sac consists of
1. Synergids and an egg cell
2. Polar nuclei, secondary nucleus and an egg cell
3. Egg apparatus, three antipodals and two polar nuclei
4. Egg apparatus and antipodals
1. Synergids and an egg cell
2. Polar nuclei, secondary nucleus and an egg cell
3. Egg apparatus, three antipodals and two polar nuclei
4. Egg apparatus and antipodals
Subtopic: General Account of Angiosperms (OLD NCERT) |
84%
From NCERT
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The gametophytic phase can be represented by the single to few celled gametophyte or few to multicelled gametophyte as in
1. Fucus and seed plants respectively
2. Seed plants and Fucus respectively
3. Ectocarpus and Fucus respectively
4. Spirogyra and Fucus respectively
1. Fucus and seed plants respectively
2. Seed plants and Fucus respectively
3. Ectocarpus and Fucus respectively
4. Spirogyra and Fucus respectively
Subtopic: Life Cycle Patterns in Plants (OLD NCERT) |
From NCERT
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In which of the following the gametophyte is photosynthetic but not dominant body?
1. Pteridophytes
2. Mosses
3. Liverworts
4. Green algae
1. Pteridophytes
2. Mosses
3. Liverworts
4. Green algae
Subtopic: Pteridophytes |
84%
From NCERT
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Which one is the oldest in following?
1. Gymnosperms
2. Angiosperms
3. Bryophytes
4. None of these
1. Gymnosperms
2. Angiosperms
3. Bryophytes
4. None of these
Subtopic: Bryophytes |
87%
From NCERT
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Match the storage products listed under column I with the organism given under column II:
1. A-3, B-4, C-1, D-5
2. A-4, B-3, C-5, D-2
3. A-5, B-4, C-1, D-3
4. A-2, B-1, C-4, D-3
| Column I | Column II | ||
| A. | Glycogen | 1. | Sargssum |
| B. | Pyrenoids | 2. | Nostoc |
| C. | Laminarin and mannitol | 3. | Polysiphonia |
| D. | Floridean starch | 4. | Spirogyra |
| 5. | Agaricus |
2. A-4, B-3, C-5, D-2
3. A-5, B-4, C-1, D-3
4. A-2, B-1, C-4, D-3
Subtopic: Algae | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
70%
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Heterotrichous thallus is shown by which organism:
1. Chlamydomonas
2. Ectocarpus
3. Spirogyra
4. Volvox
1. Chlamydomonas
2. Ectocarpus
3. Spirogyra
4. Volvox
Subtopic: Pheophyceae: Brown Algae |
69%
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