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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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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Variations  caused by mutation, as proposed by Hugo de Vries, are:

1. small and directionless

2. random and directional

3. random and directionless

4. small and directional

Subtopic:  Hugo De Vries Theory of Evolution |
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In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 kg to 5 kg die. Which type of selection process is taking place?

1. Cyclical selection

2. Directional selection

3. Stabilizing selection

4. Disruptive selection

Subtopic:  Types of Natural Selection |
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Match the hominids with their correct brain size:

(a)  Homo habilis                       (i)   900 cc

(b)   Homo neanderthalensis        (ii)  1250 cc

(c)  Homo erectus                      (iii)  650-800 cc

(d)  Homo sapiens                      (iv)  1400 cc

Select the correct option.

            (a)       (b)       (c)       (d)

1.         (iv)      (iii)       (i)        (ii)

2.         (iv)      (i)        (iv)       (ii)

3.         (iii)       (ii)       (i)        (iv)

4.         (iii)       (iv)      (i)         (ii)

Subtopic:  Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man: 2 | Evolution Prior to Ape Man |
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