- 1(current)
Q. No.Which of the following refers to correct example(s) of organisms that have evolved due to changes in environment brought about by anthropogenic action?
| (a) | Darwin's Finches of Galapagos islands |
| (b) | Herbicide-resistant weeds |
| (c) | Drug-resistant eukaryotes |
| (d) | Man-created breeds of domesticated animals like dogs |
1. (a) and (c)
2. (b), (c) and (d)
3. only (d)
4. only (a)
Subtopic: Â Darwin's Theory |Â Concept of Organic Evolution: Evidence |
 74%
Level 2: 60%+
NEET - 2020
Hints
Match each item in Column I with one in Column II and select the best match from the codes given:
Choose the correct answer from the options given below:
| Column I | Column II | ||
| (a) | Adaptive radiation | (i) | Fast emergence of resistance in bacteria against antibiotics |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropogenic action | (iv) | Dispersion and diversification of Australian marsupials |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Â Natural Selection |Â Concept of Organic Evolution: Evidence |
 93%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals
1. Numbat-Flying Squirrel
2. Tasmanian Wolf - Bobcat
3. Marsupial mouse- Mole
4. Spotted Cuscus - Lemur
Subtopic: Â Concept of Organic Evolution: Evidence |
 69%
Level 2: 60%+
NEET - 2022
Hints
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
| Statement I: | In England, during the Industrial Revolution, the black-colored form of Biston Betularia became dominant over the light-colored form of moth because of natural selection, the darker forms were selected. |
| Statement II: | Prior to the Industrial Revolution, the peppered moths exhibited protective mimicry and the light-colored moths were not noticed by predatory birds due to light-colored lichens on the bark of trees. |
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
Subtopic: Â Concept of Organic Evolution: Evidence |
 83%
Level 1: 80%+
Hints
| Assertion (A): | Adaptive ability is inherited. |
| Reason (R): | Individuals having heritable and useful variations reproduce better and leave more progeny. |
In the light of above statements, select the correct answer from the following options.
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | (A) is false but (R) is true |
Subtopic: Â Concept of Organic Evolution: Evidence |
Level 3: 35%-60%
Hints
Select the option representing correct examples of analogous organs.
(a) Sweet potato and potato
(b) Vertebrate hearts and brains
(c) Thorn of Bougainvillea and tendril of Cucurbita
(d) Eyes of the Octopus and of mammals
(e) Flippers of penguins and dolphins
1. (a), (d), (e)
2. (a), (b), (c)
3. (b), (c), (d)
4. (c), (d), (e)
(a) Sweet potato and potato
(b) Vertebrate hearts and brains
(c) Thorn of Bougainvillea and tendril of Cucurbita
(d) Eyes of the Octopus and of mammals
(e) Flippers of penguins and dolphins
1. (a), (d), (e)
2. (a), (b), (c)
3. (b), (c), (d)
4. (c), (d), (e)
Subtopic: Â Concept of Organic Evolution: Evidence |
 90%
Level 1: 80%+
Hints
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How many statements given below are incorrect?
1. Zero
2. Four
3. Three
4. Two
| (a) | The first mammals were like Macaca. |
| (b) | Due to continental drift, North American animals were overridden by south American fauna. |
| (c) | Pouched mammals of Australia survived because of lack of competition from metatherians. |
| (d) | Seals and sea cows are terrestrial mammals. |
1. Zero
2. Four
3. Three
4. Two
Subtopic: Â Concept of Organic Evolution: Evidence |
Level 3: 35%-60%
Hints
| Assertion (A): | The new forms of life have arisen at different times in the history of the earth. |
| Reason (R): | Studies showed that life forms varied over time and certain life forms are restricted to certain geological timespans. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â Concept of Organic Evolution: Evidence |
 51%
Level 3: 35%-60%
Hints
| Assertion (A): | In convergent evolution, the same structure developed in animals along different directions due to adaptations to different needs. |
| Reason (R): | Homologous structures have similar anatomy but perform different functions. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â Concept of Organic Evolution: Evidence |
 67%
Level 2: 60%+
Hints
Assertion (A): Analogous structures are a result of convergent evolution.
Reason (R): In convergent evolution, different structures evolve for the same function.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): In convergent evolution, different structures evolve for the same function.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Concept of Organic Evolution: Evidence |
 88%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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