Q. No.Which of the following is used as an atmospheric pollution indicator?
| 1. | Lepidoptera | 2. | Lichens |
| 3. | Lycopersicon | 4. | Lycopodium |
Subtopic: Natural Selection |
96%
Level 1: 80%+
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Match List-I with List-II:
| List-I | List-II |
| (a) Adaptive radiation | (i) Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (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) Darwin Finches |
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: Natural Selection | Concept of Organic Evolution: Evidence |
94%
Level 1: 80%+
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What is industrial melanism?
| 1. | The adaptation of industries to reduce pollution and environmental impact. |
| 2. | The evolution of darker phenotypes of certain species in response to industrial pollution. |
| 3. | A disease caused by industrial pollutants that affects melanin production in animals. |
| 4. | A genetic mutation in plants due to industrial chemicals. |
Subtopic: Natural Selection |
92%
Level 1: 80%+
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What will happen to the population of two forms of Biston betularia (peppered moth) inhabiting the region polluted due to emission of soot from industries?
A. Population of dark colored moth will increase
B. Population of both the forms will decrease
C. Population of light colored moth will increase
D. Population of dark colored moth will increase while the population of light colored moth will decrease
E. Population of both the forms will increase
Choose the correct answer from the options given below:
1. A and D only
2. C, D, and E only
3. C and D only
4. B, C, and D only
A. Population of dark colored moth will increase
B. Population of both the forms will decrease
C. Population of light colored moth will increase
D. Population of dark colored moth will increase while the population of light colored moth will decrease
E. Population of both the forms will increase
Choose the correct answer from the options given below:
1. A and D only
2. C, D, and E only
3. C and D only
4. B, C, and D only
Subtopic: Natural Selection |
91%
Level 1: 80%+
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Dark melanic peppered moths will be common:
| 1. | in an unpolluted forest |
| 2. | in a polluted forest |
| 3. | in a formerly polluted forest that has been cleaned up |
| 4. | in an unpolluted forest established as a result of primary xerarch succession |
Subtopic: Natural Selection |
91%
Level 1: 80%+
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Industrial melanism is an example of
| 1. | Neo Lamarckism |
| 2. | Neo Darwinism |
| 3. | Natural selection |
| 4. | Mutation |
Subtopic: Natural Selection |
90%
Level 1: 80%+
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Match each item in Column-I with one item in Column-II and chose your answer from the codes given below.
|
Column-I |
Column-II |
||
| I. | Homologous organs | 1. | Eye of an octopus and the eye of a mammal |
| II. | Analogous organs | 2. | Thorn of Bougainvillea and tendril of Cucurbita |
| III. |
Vestigeal organs |
3. |
Body hair and wisdom teeth in humans |
Codes:
| I | II | III | |
| 1. | 1 | 2 | 3 |
| 2. | 3 | 1 | 2 |
| 3. | 2 | 1 | 3 |
| 4. | 1 | 3 | 2 |
Subtopic: Natural Selection |
90%
Level 1: 80%+
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| Assertion(A): | After industrialization, dark winged moths became predominant over light winged moths. |
| Reason(R): | During post-industrialization period, the white coloured moths were spotted by predators against the contrasting background of tree-trunks. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Natural Selection |
90%
Level 1: 80%+
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What change in the environment led to the phenomenon of industrial melanism in peppered moths (Biston betularia)?
| 1. | The widespread use of pesticides in agricultural fields. |
| 2. | The deposition of soot on trees during the Industrial Revolution. |
| 3. | The migration of moths to urban areas. |
| 4. | The introduction of new predators in polluted regions. |
Subtopic: Natural Selection |
88%
Level 1: 80%+
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| Assertion(A): | Antibiotic resistance is increasing these days. |
| Reason(R): | Excessive use of antibiotics in a much lesser time scale has led to selection of resistant varieties. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Natural Selection |
89%
Level 1: 80%+
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