Genetic drift operates in 

1. small isolated population

2. large isolated population

3. fast reproductive population

4. slow reproductive population

Subtopic:  Sources of Variation: 2 | Sources of Variation |
 80%
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Which of the following pair is homologous organ?

1. Wings of birds and locust

2. Wings of birds (sparrow) and pectoral fins of fish

3. Wings of bat and butterfly

4. Legs of frog and cockroach

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 70%
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De Vries gave his mutation theory on organic evolution while working on

1. Pisum sativum

2. Drosophila melanogaster

3. Oenothera lamarckiana

4. Althea rosea

 

Subtopic:  Hugo De Vries Theory of Evolution |
 73%
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Peripatus is a connecting link between

1. Ctenophora and Platyhelminthes

2. Mollusca and Echinodermata

3. Annelida and Arthropoda

4. Coelenterata and Porifera

Subtopic:  Concept of Organic Evolution: Evidence: 3 | Concept of Organic Evolution: Evidence |
 78%
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The age of the fossil of Dryopithecus on the geological time scale is 

1. 5 x 106 yr back

2. 25 x 106 yr back

3. 50 x 106 yr back

4. 75 x 106 yr back

Subtopic:  Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man |
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Evolution is 

1. progressive development of a race

2. history and development of race along with variations

3. history of race

4. development of race

 84%
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Darwin's finches provide an excellent evidence in favour of evolution. This evidence comes from the field of 

1. Biogeography

2. Anatomy

3. Embryology

4. Palaeontology

 79%
From NCERT
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Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?

1. They were able to reproduce

2. They could separate combinations of molecules from the surroundings

3. They were partially isolated from the surroundings

4. They could maintain an internal environment

Subtopic:  Origin of Life: Chemical Evolution: 2 | Origin of Life |
NEET - 2008
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Darwin's finches are an excellent example of 

1. adaptive radiation

2. seasonal migration

3. brood parasitism

4. connecting links

Subtopic:  Darwin's Theory |
 96%
From NCERT
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Basic principles of embryonic development were pronounced by 

1. Von Baer 

2. Weismann

3. Haeckel

4. Morgan

Subtopic:  Embryological Evidence of Evolution |
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