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Q. No.Desert lizards manage to keep their body temperature fairly constant by:
1.
increased sweating
2.
evaporative cooling from tongue
3.
behavioural means
4.
producing a dilute urine
90%
From NCERT
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Consider the two given statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| Statement I: | Age structure can indicate whether a population is increasing, stable, or declining. |
| Statement II: | In general terms, a population with a very broad base would be expected to be stable. |
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Age Pyramid |
77%
From NCERT
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Which of the following is an example of mutualism?
1. Cuckoo laying eggs in nest of a crow
2. Cattle Egret and grazing cattle
3. Sea Anemone and Clownfish
4. Female wasp and fig species
1. Cuckoo laying eggs in nest of a crow
2. Cattle Egret and grazing cattle
3. Sea Anemone and Clownfish
4. Female wasp and fig species
Subtopic: Population Interactions: Parasitism | Population Interactions: Amensalism | Population Interactions: Commensalism, Protocooperation & Mutualism |
89%
From NCERT
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Match List I with List II
Choose the correct answer from the options given below:
| List I (Interaction) |
List II (Species A and B) |
||
| A. | Mutualism | I. | +(A), O(B) |
| B. | Commensalism | II. | –(A), O(B) |
| C. | Amensalism | III. | +(A), –(B) |
| D. | Parasitism | IV | +(A), +(B) |
Choose the correct answer from the options given below:
| Options: | A | B | C | D |
| 1. | III | I | IV | II |
| 2. | IV | II | I | II |
| 3. | IV | I | II | III |
| 4. | IV | III | I | II |
Subtopic: Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
90%
From NCERT
NEET - 2023
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
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.
| Statement I: | Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually. |
| Statement II: | In general, carnivores are more adversely affected by competition than herbivores. |
In the light of the above statements, choose the correct answer from the options given below:
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: Population Interactions: Competition |
68%
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 (Interacting species) | List II (Name of Interaction) | ||
| A. | A Leopard and a Lion in a Forest/grassland | I. | Competition |
| B. | A Cuckoo laying an egg in a Crow's nest | II. | Brood parasitism |
| C. | Fungi and root of a higher plant mycorrhizae | I. | Mutualism |
| D. | A cattle egret and a Cattle in a field | IV. | Commensalism |
Choose the correct answer from the options given below:
| Options: | A | B | C | D |
| 1. | II | III | I | IV |
| 2. | I | II | III | IV |
| 3. | I | II | IV | III |
| 4. | III | IV | I | II |
Subtopic: Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Amensalism | Population Interactions: Commensalism, Protocooperation & Mutualism |
83%
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. | Logistic growth | I. | Unlimited resource availability condition |
| B. | Exponential growth | II. | Limited resource availability condition |
| C. | Expanding age pyramid | III. | The percent individuals of pre-reproductive age is largest followed by reproductive and post reproductive age groups |
| D. | Stable age pyramid | IV. | The percent individuals of pre-reproductives and reproductive age group are same |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | II | I | III | IV |
| 3. | II | III | I | IV |
| 4. | II | IV | I | III |
Subtopic: Population: Exponential Growth Model | Population: Logistic Growth Model | Age Pyramid |
93%
From NCERT
NEET - 2023
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Plants offer rewards to animals in the form of pollen and nectar and the animals facilitate the pollination process. This is an example of:
| 1. | Amensalism | 2. | Competition |
| 3. | Commensalism | 4. | Mutualism |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
91%
From NCERT
NEET - 2023
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For chemical defense against herbivores, Calotropis has
| 1. | Cardiac glycosides | 2. | strychnine |
| 3. | toxic ricin | 4. | distasteful quinine |
Subtopic: Population Interactions: Predation |
86%
From NCERT
NEET - 2023
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There are 250 snails in a pond and within a year their number increases to 2500 by reproduction. What should be their birth rate (in per snail per year)?
1. 10
2. 9
3. 25
4. 15
1. 10
2. 9
3. 25
4. 15
Subtopic: Population Characters: Natality & Mortality |
From NCERT
NEET - 2023
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