Parallelism is 

1. adaptive divergence

2. adaptive divergence of widely separated species

3. adaptive convergence of widely different species

4. adaptive convergence of closely related groups

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
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The concept of chemical evolution is based on 

1. crystallization of chemicals

2. interaction of water, air, and clay under intense heat

3. effect of solar radiation on chemicals

4. the possible origin of life by the combination of chemicals under suitable environmental conditions

Subtopic:  Examples of Chemical Evolution |
 88%
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Industrial melanism as observed in peppered moth proves that

1. the true black melanic forms arise by a recurring random mutation

2. the melanic form of the moth has no selective advantage over lighter form in industrial area

3. the lighter form moth has no selective advantage either in polluted industrial area or non-polluted area

4. melanism is a pollution generated feature.

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One of the important consequences of geographical isolation is 

1. no change in the isolated fauna

2. preventing speciation

3. speciation through reproductive isolation

4. random creation of new species

 66%
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Which one of the following describes correctly the homologous structures?

1. Organs appearing only in embryonic stage and disappearing later in the adult

2. Organs with anatomical similarities, but performing different functions

3. Organs with anatomical dissimilarities, but performing same functions

4. Organs that have no function now, but had an important function in ancestors

Subtopic:  Embryological Evidence of Evolution |
 90%
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'Continuity of germplasm' theory was given by 

1. De Vries 

2. Weismann

3. Darwin

4. Lamarck

Subtopic:  Germ Plasm Theory |
 70%
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Which one of the following amino acid was not found to be synthesised in Miller's experiment? 

1. Aspartic acid

2. Glutamic acid

3. Alanine

4. Glycine

Subtopic:  Urey & Miller Experiment |
 56%
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Two geographical regions separated by high mountains are 

1. Oriental and Austrailian

2. Palaearctic and Oriental

3. Nearctic and Palaearctic

4. Neotropical and Ethiopian

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Correct order is [1991]
1. Palaeozoic       Archaeozoic      Coenozoic
2. Archaeozoic       Palaeozoic       Proterozoic
3. Palaeozoic      Mesozoic       Coenozoic
4. Mesozoic      Archaeozoic       Proterozoic

Subtopic:  Palentological Evidences of Evolution |
 74%
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Homologous organs are

1. wings of insects and bat

2. gills of fish and lungs of rabbit

3. pectoral fins of fish and fore limbs of horse

4. wings of grasshopper and crow

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 62%
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