These are regarded as major causes of biodiversity loss:
A: Over exploitation
B: Co-extinction
C: Mutation
D: Habitat loss and fragmentation
E: Migration
Choose the correct option:
1. A, B, C and D only
2. A, B and E only
3. A, B and D only
4. A, C and D only
A: Over exploitation
B: Co-extinction
C: Mutation
D: Habitat loss and fragmentation
E: Migration
Choose the correct option:
1. A, B, C and D only
2. A, B and E only
3. A, B and D only
4. A, C and D only
Subtopic: Â Loss of Biodiversity |
 81%
Level 1: 80%+
NEET - 2024
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Bulliform cells are responsible for
| 1. | Protecting the plant from salt stress. |
| 2. | Increased photosynthesis in monocots. |
| 3. | Providing large spaces for storage of sugars. |
| 4. | Inward curling of leaves in monocots. |
Subtopic: Â Monocot Leaf |
 78%
Level 2: 60%+
NEET - 2024
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Subtopic: Â Enzyme Cofactors |
 67%
Level 2: 60%+
NEET - 2024
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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:
In the members of Phaeophyceae,
| A: | Asexual reproduction occurs usually by biflagellate zoospores. |
| B: | Sexual reproduction occurs 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. |
| 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: Â Pheophyceae: Brown Algae |
 76%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Robert May | I. | Species-Area relationship |
| B. | Alexander von Humboldt | II. | Long term ecosystem experiment using outdoor plots |
| C. | Paul Ehrlich | III. | Global species diversity is about 7 million |
| D. | David Tilman | IV. | Rivet Popper hypothesis |
| 1. | A-III, B-I, C-IV, D-II | 2. | A-I, B-III, C-II, D-IV |
| 3. | A-III, B-IV, C-II, D-I | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Â Biodiversity Patterns |Â Biodiversity |
 83%
Level 1: 80%+
NEET - 2024
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The DNA present in chloroplast is:
| 1. | Circular, double stranded |
| 2. | Linear, single stranded |
| 3. | Circular, single stranded |
| 4. | Linear, double stranded |
Subtopic: Â Plastids |
 78%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the option given below:
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
| List-I | List-II | ||
| A. | Citric acid cycle | I. | Cytoplasm |
| B. | Glycolysis | II. | Mitochondrial matrix |
| C. | Electron transport system |
III. | Intermembrane space of mitochondria |
| D. | Proton gradient | IV. | Inner mitochondrial membrane |
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
Subtopic: Â Glycolysis |Â Kreb's Cycle |Â Oxidative Phosphorylation |Â ETS |
 80%
Level 1: 80%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-III, B-IV, C-I, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-II, C-I, D-IV
| List-I | List-II | ||
| A. | Frederick Griffith | I. | Genetic code |
| B. | Francois Jacob & Jacque Monod | II. | Semi-conservative mode of DNA replication |
| C. | Har Gobind Khorana | III. | Transformation |
| D. | Meselson Stahl | IV. | Lac operon |
Choose the correct answer from the options given below:
1. A-III, B-IV, C-I, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-II, C-I, D-IV
Subtopic: Â Search for Genetic Material:I |Â Genetic Code: I |Â Gene Regulation: Lac Operon |Â Search for Genetic Material |
 81%
Level 1: 80%+
NEET - 2024
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Match List I with List II:
Choose the correct answer from the options given below:
| List I (Types of stamens ) |
List II (Example) |
||
| A. | Monoadelphous | I. | Citrus |
| B. | Diadelphous | II. | Pea |
| C. | Polyadelphous | III. | Lily |
| D. | Epiphyllous | IV. | China-rose |
| 1. | A-IV, B-I, C-II, D-III | 2. | A-I, B-II, C-IV, D-III |
| 3. | A-III, B-I, C-IV, D-II | 4. | A-IV, B-II, C-I, D-III |
Subtopic: Â Flower & Parts of Flower: I |
 77%
Level 2: 60%+
NEET - 2024
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Identify the correct description about the given figure:
| 1. | Water pollinated flowers showing stamens with mucilaginous covering. |
| 2. | Cleistogamous flowers showing autogamy. |
| 3. | Compact inflorescence showing complete autogamy. |
| 4. | Wind pollinated plant inflorescence showing flowers with well exposed stamens. |
Subtopic: Â Pollination & Outbreeding Devices |
 82%
Level 1: 80%+
NEET - 2024
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