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Q. No.Ozone depletion in stratosphere would result in:
1. Forest trees
2. global warming
3. skin cancer incidence
4. None of the above
Subtopic: Ozone Layer Depletion |
62%
Level 2: 60%+
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What it is called when thousands of aquatic species are killed over a wide range in sea:
1. Bateson-effect
2. El Nino effect
3. Warburg effect
4. None
1. Bateson-effect
2. El Nino effect
3. Warburg effect
4. None
Subtopic: Green House Effect & Global Warming |
70%
Level 2: 60%+
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Eutrophication is caused due to?
1. accumulation of minerals
2. effect of UV-C
3. accumulation of metals only
4. accumulation of Zooplankton
1. accumulation of minerals
2. effect of UV-C
3. accumulation of metals only
4. accumulation of Zooplankton
Subtopic: Water Pollution |
82%
Level 1: 80%+
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Eutrophication is caused due to?
1. Accumulation of minerals
2. Effect of UV-C
3. Accumulation of metals only
4. Accumulation of zooplankton
1. Accumulation of minerals
2. Effect of UV-C
3. Accumulation of metals only
4. Accumulation of zooplankton
Subtopic: Water Pollution |
68%
Level 2: 60%+
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Select the correct statements regarding dissolved Oxygen and Biochemical Oxygen demand.
Choose the most appropriate answer from the options given below:
| A: | BOD is inversely related to dissolved oxygen |
| B: | Low dissolved oxygen and high BOD lead to loss of aquatic life. |
| C: | High BOD leads to high dissolved oxygen |
| D: | Both BOD and dissolved oxygen are indicator of health of a water body |
| E: | Both BOD and dissolved oxygen are affected by amount of organic matter in the water body. |
| 1. | (A), (B), (C), (E) only | 2. | (A), (B), (D), (E) only |
| 3. | (A), (B), (C), (D) only | 4. | (B), (C), (D), (E) only |
Subtopic: Water Pollution |
73%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Deforestation | (I) | Responsible for heating of Earth's surface and atmosphere |
| (B) | Reforesation | (II) | Conversion of forested areas to non-forested areas |
| (C) | Green-house effect | (III) | Natural ageing of lake by nutrient enrichment of its water |
| (D) | Eutrophication | (IV) | Process of restoring a forest that once existed but was removed |
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | III | II | I |
| 2. | I | II | III | IV |
| 3. | III | I | II | IV |
| 4. | II | IV | I | III |
Subtopic: Green House Effect & Global Warming | Resource Utilisation & Maintenance | Water Pollution |
84%
Level 1: 80%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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What will happen if fresh water lake gets contaminated by the addition of polluted water with high BOD?
| 1. | Amount of dissolved oxygen in the lake will decrease. |
| 2. | The lake will remain unaffected |
| 3. | Number of submerged aquatic plants in the lake will increase |
| 4. | Number of aquatic animals in the lake will increase. |
Subtopic: Water Pollution |
83%
Level 1: 80%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Nitrates and phosphates flowing from agricultural farms into water bodies are a significant cause of:
| 1. | Eutrophication | 2. | Humification |
| 3. | Mineralisation | 4. | Stratification |
Subtopic: Water Pollution |
64%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Which of the following statements is correct?
| 1. | Algal Bloom decreases fish mortality. |
| 2. | Eutrophication refers to increase in domestic sewage and waste water in lakes. |
| 3. | Biomagnification refers to increase in concentration of the toxicant at successive trophic levels. |
| 4. | Presence of large amounts of nutrients in water restricts 'Algal Bloom'. |
Subtopic: Water Pollution |
60%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Given below are two statements:
| I: | Electrostatic precipitator is most widely used in a thermal power plant. |
| II: | Electrostatic precipitator in a thermal power plant removes ionising radiations. |
| 1. | Statement I is incorrect but Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct but Statement II is incorrect. |
Subtopic: Air Pollution |
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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