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Q. No.| List-I | List-II | ||
| A. | Living Fossil | I. | Elongated canine teeth |
| B. | Connecting Link | II. | Vermiform appendix |
| C. | Vestigial Organ | III. | Echidna |
| D. | Atavism | IV. | Latimeria |
1. A-IV,B-III,C-II,D-I
2. A-IV,B-II,C-III,D-I
3. A-IV,B-III,C-I,D-II
4. A-III,B-IV,C-I,D-II
| 1. | Lemur, Anteater, Wolf |
| 2. | Tasmanian wolf, Bobcat, Marsupial mole |
| 3. | Numbat, Spotted cuscus, Flying phalanger |
| 4. | Mole, Flying squirrel, Tasmanian tiger cat |
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
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) |
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)
In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as:
| 1. | Adaptive Radiation | 2. | Divergent Evolution |
| 3. | Cyclical Evolution | 4. | Convergent Evolution |
A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?
| 1. | Area with a large number of habitats having very low food supply |
| 2. | Area with a single type of vacant habitat |
| 3. | Area with many types of vacant habitats |
| 4. | Area with many habitats occupied by a large number of species |
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