The primate which arose during ice age between 75,000 to 10,000 years ago is

1. Dryopithecus

2. Ramapithecus

3. Modern Homo sapiens

4. Neanderthal man

Subtopic:  Evolution of Homo Sapiens |
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The following statements concerned with genetic drift are incorrect except one. Select the exception

1. Genetic drift maintains Hardy Weinberg equilibrium

2. Gene frequency in a small population change due to natural selections only

3. It is a change in gene frequency that occurs by chance in a small population

4. If gene migration happens multiple times, it is called genetic drift

Subtopic:  Sources of Variation: 2 |
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Evolution is a 

1. Stochastic process

2. Discontinuous process

3. Reversible Process

4. All of these

Subtopic:  Modern Theory of Evolution |
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Sudden heritable changes are called

1. Linkages

2. Mutations

3. Recombinations

4. Natural selection

Subtopic:  Hugo De Vries Theory of Evolution |
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The "Use and Disuse" principal or "Theory of lnheritance of Acquired Characters" of evolution was proposed by

1. Hugo de Vries

2. Weismann

3. Lamarck

4. Darwin

Subtopic:  Theory of Evolution & Lamarckism |
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Evolution of DDT resistant mosquito is best explained by which category of natural selection?

1 A 

2 B

3 C 

4 D 

 

Subtopic:  Hardy Weinberg Law: 1 |
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An example of process of evolution of different species in a given geographical area starting from a common point and radiating to other areas of geography can be 

1 Origin of Numbat, Phascolarctos, Flying phalanger, Tasmanian wolf, Spotted cuscus from a primitive metatherian

2 Origin of Eohippus, Mesohippus, Parahippus and Pliohippus

3 Origin of Homo erectus, Homo neander thalensis, Homo sapiens fossils, Homo sapiens sapiens

4 Origin of Biston betularia from Biston carbonaria

Subtopic:  Concept of Organic Evolution: Evidence: 2 |
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There are five factors known to affect Hardy-Weinberg equilibrium, which of the following cannot be included in the five factors?

1 Gene flow and genetic drift

2 Genetic recombination and natural selection

3 Mutation

4 Isolation

Subtopic:  Hardy Weinberg Law: 1 |
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The diagram shown below represents Miller's experiment with certain labelled parts. Find out the correct set of labelling:

1.

A - CH4, NH3, H2O, vapour, CO2

B  - Vacuum pump

C  - Alanine, glycine, aspartic acid

2.

C  - Alanine, glycine, glutamic acid 

D  - Vacuum pump

F  - Electrodes

3.

A - CH4, NH3, H2 , H2O

B  - Condenser

E  - Vacuum pump

4.

A - CH4, NH3, H2O, vapour, H2

B  - Alanine, Glycine, aspartic acid

D - Boiling water

Subtopic:  Urey & Miller Experiment |
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Mark the incorrect statement with respect to evolution

1 When we see objects in our immediate surroundings we see them instantly and hence in the present time

2 When we look at stars on a clear night sky we are, looking back in time 

3 Stellar distances are measured in kilometers 

4 Huge clusters of galaxies comprise the universe

Subtopic:  Cosmic Evolution |
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