Which one of the following is regarded as the direct ancestor of modern man? 

1. Homo erectus 

2. Ramapithecus 

3. Homo habilis

4. Cro-magnon man

Subtopic:  Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man |
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Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?                                                                                
1. Variations, natural selection, overproduction, constancy of population size

2. Overproduction, variations, constancy of population size, natural selection 

3. Variations, constancy of population size, overproduction, natural selection

4. Overproduction, constancy of population size, variations, natural selection

Subtopic:  Darwin's Theory |
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Industrial melanism is an example of 

1. defensive adaptation of skin against ultraviolet radiations

2. drug resistance

3. directional selection due to smoke from industries

4. protective resemblance with the surroundings

Subtopic:  Genetic Basis of Adaptation |
 67%
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The homologous organs are those that show similarity in

1. size

2. origin

3. function

4. appearance 

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 72%
From NCERT
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The occurrence of endemic species in South America and Australia is due to  

1. Extinction of these species from other regions

2. Continental separation

3. No terrestrial route to these places

4. Retrogressive evolution 

Subtopic:  Concept of Speciation |
 73%
From NCERT
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Genetic drift is change of 

1. gene frequency in same generation 

2. appearance of recessive genes

3. gene frequency from one generation to next 

4. None of the above

Subtopic:  Sources of Variation: 2 | Sources of Variation |
 59%
From NCERT
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Thorn of Bougainvillea and tendril of Cucurbita are examples of  
1. analogous organs

2. homologous organs

3. vestigial organs

4. retrogressive evolution 

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 84%
From NCERT
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Adaptive radiation refers to

1. adaptations due to geographical isolation 

2. evolution of different species from a common ancestor

3. migration of members of a species to different geographical areas

4. power of adaptation in an individual to a variety of environments

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
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Random genetic drift in a population probably results from   

1. large population size

2. highly genetically variable individuals

3. interbreeding within small isolated population 

4. constant low mutation rate

Subtopic:  Sources of Variation: 2 | Sources of Variation |
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Which one of the following features is closely related with the evolution of humans?

1. Loss of tail                         

2. Shortening of jaws

3. Binocular vision                   

4. Flat nails

Subtopic:  Introduction to Human Evolution |
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