Q. No.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. Sickle cell anemia
II. Polyploidy
III. Darwin finches
IV. Tail in humans
1. Sympatric speciation
2. Balancing selection
3. Adaptive radiation
4. Atavism
Codes:
I
II
III
IV
1.
1
2
3
4
2.
2
1
4
3
3.
2
1
3
4
4.
1
2
4
3
Column I
Column II
I. Sickle cell anemia
II. Polyploidy
III. Darwin finches
IV. Tail in humans
1. Sympatric speciation
2. Balancing selection
3. Adaptive radiation
4. Atavism
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 II. Analogous organs III. Vestigeal organs |
1. Eye of an octopus and the eye of a mammal 2. Thorn of Bougainvillea and tendril of Cucurbita 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 |
Which of the following is the most important precondition for speciation to occur?
| 1. | Reproductive isolation | 2. | A crash of the population size |
| 3. | Adaptive radiation | 4. | Random mating |
Some of the marsupials of Australia resemble equivalent placental mammals that live in similar habitats on other continents. This is an example of:
| 1. | Convergent evolution | 2. | Divergent evolution |
| 3. | Saltatory evolution | 4. | Adaptive radiation |
Consider the following statements:
| I: | Nature selects for fitness. |
| II: | Fitness is based on characteristics that are inherited. |
| III: | Fitness is the end result of the ability to adapt and get selected by nature. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
Consider the following statements:
| I: | The thorns and tendrils of Bougainvillea and Cucurbita represent homology. |
| II: | Sweet potato and potato exhibit analogy. |
| III: | Homologous organs are the result of divergent evolution & analogous organs are the result of convergent evolution. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
Consider the following statements:
| I: | The first organisms that invaded land were the plants. |
| II: | Lobefins evolved into the first amphibians. |
| III: | Ramapithecus was more ape-like and Dryopithecus was more man-like. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
Given below is the representative evolutionary history of vertebrates through geological periods. A, B, C, and D, respectively, are:
| 1. | Dinosaurs, Thecodonts, Therapsids, and Pelycousurs |
| 2. | Dinosaurs, Therapsids, Thecodonts, and Pelycosaurs |
| 3. | Pelycosaurs, Therapsids, Thecodonts, and Dinosaurs |
| 4. | Theraosids, Dinosaurs, Pelycosaurs, and Thecodonts |
In the apparatus of the Urey and Miller experiment, the gases [G] contained in the flask are:
| 1. | Methane, Carbon dioxide, Ammonia, and Water vapour |
| 2. | Methane, Hydrogen cyanide, Ammonia, and Water vapour |
| 3. | Methane, Ammonia, Hydrogen, and Water vapour |
| 4. | Carbon dioxide, Oxygen, Hydrogen, and Ammonia |
All the following are examples of analogous organs except:
| 1. | Thorn and tendrils of Bougainvillea and Cucurbita |
| 2. | Sweet potato and Potato |
| 3. | Flippers of Penguins and Dolphins |
| 4. | Eye of the Octopus and of Mammals |
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