Q. No.Speciation of sympatric species is due to
1.
geographic isolation
2.
reproductive isolation
3.
isolation/separation
4.
migration
Subtopic: Concept of Speciation |
59%
Level 3: 35%-60%
AIIMS - 2013
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Flame cells and Malpighian tubules are the analogous organ in
| 1. | insects and arthropods respectively |
| 2. | arthropods and echinodermates respectively |
| 3. | helminths and arthropods with other insect respectively |
| 4. | arthropds and other insect with helminths respectively |
Subtopic: Embryological Evidence of Evolution |
73%
Level 2: 60%+
AIIMS - 2013
Hints
Tendrils in plants are an exapmle of
1. Convergent evolution
2. Radiation
3. Divergent evolution
4. Co-evolution
Subtopic: Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
79%
Level 2: 60%+
AIIMS - 2012
Hints
Subtopic: Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Origin of Life |
76%
Level 2: 60%+
AIIMS - 2011
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Theory of 'Saltations' was given by
| 1. | G Mendel | 2. | Hugo de Vries |
| 3. | J B S Haldane | 4. | H J Miller |
Subtopic: Hugo De Vries Theory of Evolution |
93%
Level 1: 80%+
AIIMS - 2011
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The animal group which does not exist in Galapagos island is
| 1. | Insects | 2. | Protozoa |
| 3. | Crustacea | 4. | Amphibia |
Subtopic: Darwin's Theory |
Level 3: 35%-60%
AIIMS - 2011
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Appearence of dark-coloured pepper moths among the light-coloured ones as a result of increased industrial pollution is an example of
| 1. | Disruptive selection |
| 2. | Stabilizing selection |
| 3. | Directional selection |
| 4. | None of the above |
Subtopic: Hardy Weinberg Law |
75%
Level 2: 60%+
AIIMS - 2010
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Match the columns
| Column I | Column II | ||
| A | Hugo de Vries | 1 | Inheritance of acquired characters |
| B | Julian Huxley | 2 | Multiplication of individual species in geographical proportion |
| C | Jean Baptiste | 3 | Mutation theory of evolution |
| A | B | C | |
| 1. | 1 | 2 | 3 |
| 2. | 2 | 3 | 1 |
| 3. | 3 | 1 | 2 |
| 4. | 3 | 2 | 1 |
Subtopic: Theory of Evolution & Lamarckism | Hugo De Vries Theory of Evolution |
Level 3: 35%-60%
AIIMS - 2010
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Hardy-Weinberg's principle of 'zero evolution' is based on
| 1. | genetic equilibrium | 2. | random mating |
| 3. | no migrations | 4. | All of the above |
Subtopic: Hardy Weinberg Law: 1 | Hardy Weinberg Law |
77%
Level 2: 60%+
AIIMS - 2010
Hints
What does the term 'reproductive isolation' refers to?
| 1. | An individual is unable to fertilise itself |
| 2. | Genes are not exchanged between two populations |
| 3. | Individuals from two populations never mate |
| 4. | Individuals form two populations never produce offsprings |
Subtopic: Concept of Isolation |
53%
Level 3: 35%-60%
AIIMS - 2010
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