Disruptive selection favors:

1. Both extreme forms of a trait
2. Intermediate forms of a trait
3. One of the extremes of a trait
4. Environmental differences

Subtopic:  Natural Selection |
 82%
From NCERT
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Which one of the following would cause the Hardy-Weinberg principle to be inaccurate?

1. The size of the population is very large.
2. Individuals mate with one another at random.
3. Natural selection is present.
4. There is no source of new copies of alleles from outside the population.

Subtopic:  Hardy Weinberg Law: 2 | Hardy Weinberg Law |
 67%
From NCERT
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Which of the following ideas was developed by Thomas Malthus?

1. Peppered moths living near English industrial cities provide a good example of evolution.
2. The diversity of Galápagos finch species is the result of natural selection.
3. Living things often produce far more offspring than are needed to maintain their numbers.
4. Reproductive isolation is pre-condition for speciation

Subtopic:  Darwin's Theory |
 57%
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Theory of spontaneous generation of life was conclusively disproved by:

1.  Francesco Redi

2.  Oparin and Haldane

3.  Louis Pasteur

4.  Eldredge and Gould

Subtopic:  Other Theories of Origin of Life |
 83%
From NCERT
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Which of the following is not a result of convergent evolution?

1.  Potato and sweet potato

2.  Flippers of penguins and dolphins

3.  Eye of octopus and a mammal

4.  Thorn and tendril of Bougainvillea

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 86%
From NCERT
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Identify the incorrectly matched pair:

1.  Ramapithecus                 More man like ape like

2.  Homo habilis                   First human like being, the hominid

3.  Homo erectus                 Probably did not eat meat

4.  Neanderthal                    Buried their dead

Subtopic:  Evolution Prior to Ape Man: 2 | Evolution Prior to Ape Man |
 78%
From NCERT
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Distantly related organisms with similar traits have experienced:

1. Coevolution
2. Convergent evolution
3. Divergent evolution
4. Parallel evolution

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 73%
From NCERT
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At the time early life first formed on Earth, the atmosphere could best be described as:

1. oxidizing

2. reducing

3. rich in oxygen

4. low in hydrogen gas

 

Subtopic:  Cosmic Evolution |
 88%
From NCERT
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The similarity of bone structure in the forelimbs of many vertebrates is an example of:
1. Homology
2. Analogy
3. Convergent evolution
4. Adaptive radiation
Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 66%
From NCERT
NEET - 2018
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Among the following sets of examples for divergent evolution, select the incorrect option:

1. Forelimbs of man, bat and cheetah
2. Heart of bat, man and cheetah
3. Brain of bat, man and cheetah
4. Eye of octopus, bat and man

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 69%
From NCERT
NEET - 2018
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