The factor that leads to Founder effect in a population is:

1. Mutation

2. Genetic drift

3. Natural selection

4. Genetic recombination

Subtopic:  Hardy Weinberg Law: 1 |
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Match List-I with List-II

List-I List-II
(a) Adaptive radiation (i) Selection of resistant varieties due to excessive use of herbicides and pesticides
(b) Convergent evolution (ii) Bones of forelimbs in Man and Whale
(c) Divergent evolution (iii) Wings of Butterfly and Bird
(d) Evolution by anthropogenic action (iv) Darwin Finches

Choose the correct answer from the options given below.

  (a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2.  (i) (iv) (iii) (ii)
3. (iv) (iii) (ii) (i)
4. (iii) (ii) (i) (iv)
Subtopic:  Palentological Evidences of Evolution | Darwin's Theory |
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Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?

(a) Darwin's Finches of Galapagos islands

(b) Herbicide resistant weeds

(c) Drug resistant eukaryotes

(d) Man-created breeds of domesticated animals like dogs

(1) (a) and (c)

(2) (b), (c) and (d)

(3) only (d) 

(4) only (a) 

Subtopic:  Darwin's Theory |
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From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask :

1. CH3, H2, NH4 and water vapour at 800°C

2. CH4, H2, NH3 and water vapour at 600°C

3. CH3, H2, NH3 and water vapour at 600°C

4. CH4, H2, NH3 and water vapour at 800°C

Subtopic:  Urey & Miller Experiment |
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Flippers of Penguins and Dolphins are examples of:

1. Convergent evolution

2. Industrial melanism

3. Natural selection

4. Adaptive radiation

Subtopic:  Concept of Organic Evolution: Evidence: 2 |
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Embryological support for evolution was disapproved by:

1. Alfred Wallace

2. Charles Darwin

3. Oparin

4. Karl Ernst von Baer

Subtopic:  Embryological Evidence of Evolution |
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Embryological support for evolution was proposed by

1. Ernst Heckel

2. Karl Ernst von Baer

3. Charles Darwin

4. Alfred Wallace

Subtopic:  Embryological Evidence of Evolution |
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After about how many years of the formation of the earth, life appeared on this planet?

1. 500 billion years

2. 50 million years

3. 500 million years

4. 50 billion years

Subtopic:  Cosmic Evolution |
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The phenomenon of the evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:-

1. Saltation

2. Co-evolution

3. Natural selection

4. Adaptive radiation

Subtopic:  Concept of Organic Evolution: Evidence: 2 |
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A Hominid fossil discovered in Java in 1891, now extinct, having a cranial capacity of about 900 ccs was:

1. Homo erectus

2. Neanderthal man

3. Homo sapiens

4. Australopithecus

Subtopic:  Introduction to Human Evolution | Classification of Primates |
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