Which one of the following is not a living fossil?

1. King crab

2. Sphenodon

3. Archaeopteryx

4. Peripatus

Subtopic:  Concept of Speciation | Genetic Basis of Adaptation |
 55%
AIPMT - 2006
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The most recent and direct pre-historic ancestor is:

1. Cro-magnon 

2. Neanderthal

3. Pre-neaderthal

4. None of these

Subtopic:  Introduction to Human Evolution | Evolution Prior to Ape Man |
 62%
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Darwin’s finches represent:

1. Morphological variations

2. Geographical isolations

3. Climate variations

4. Reproductive isolation

Subtopic:  Darwin's Theory |
 63%
From NCERT
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Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and:

1. evolution

2. limiting factors

3. saltation

4. natural selection 

Subtopic:  Hardy Weinberg Law |
 77%
From NCERT
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Which one of the following in birds indicates their reptilian ancestry?
 

1. Scales on their heart
2. Four-chambered heart
3. Two special chambers crop and grizzlies in their digestive tract
4. Egg with a calcareous shell
Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
 64%
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Darwinism explains all the following except:

1. Within each species, there is variation

2. Organisms tend to produce more offspring than can survive

3. Offspring with better traits that overcome competition are best suited for the environment

4. Variations are inherited from parents to offspring through genes

Subtopic:  Darwin's Theory |
 55%
From NCERT
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Theory of pangenesis was given by:

1. Darwin

2. Lamarck

3. Hugo de Vries

4. Oparin

Subtopic:  Darwin's Theory |
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Which of the following is not true for a species?

1. Members of a species interbreed

2. Variations occur among members of species

3. Each species is reproductively isolated from every other species

4. Gene flow does not occur between the populations of a species

Subtopic:  Hardy Weinberg Law |
 73%
From NCERT
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The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos islands, as observed by Darwin, provides evidence for:

1. origin of species by natural selection

2. intraspecific variations

3. intraspecific competition

4. interspecific competition

Subtopic:  Darwin's Theory | Concept of Organic Evolution: Evidence |
 54%
From NCERT
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Age of fishes is also known as:

1. Permian Era

2. Silurian Era

3. Devonian Era

4. Ordovician Era

Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
 65%
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