Q. No.Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements
Statements:
| (A) | Wings of butterflies and birds look alike and are the results of , evolution |
| (B) | Miller showed that CH4, H2, NH3, and , when exposed to electric discharge in a flask resulted in the formation of . |
| (C) | Vermiform appendix is a organ and an evidence pf evolution. |
| (D) | According to Darwin evolution took place due to and of the fittest. |
Options:
| 1. | (A) - (i) convergent, (B) - (ii) oxygen, (ii) nucleosides |
| 2. | (B) - (i) water vapour, (ii) amino acids, (C) - (i) rudimentary (ii) anatomical |
| 3. | (C) - (i) vestigial, (ii) anatomical, (D) - (i) mutations, (ii) multiplication |
| 4. | (D) - (i) small variations, (ii) survival, (A) - (i) convergent |
Subtopic: Â Darwin's Theory |Â Summary of Darwin's Theory |Â Concept of Organic Evolution: Evidence |
 57%
From NCERT
AIPMT - 2010
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An important evidence in favour of organic evolution is the occurrence of:
1. homologous and vestigial organs
2. analogous and vestigial organs
3. homologous organ only
4. analogous organ only
Subtopic: Â Concept of Organic Evolution: Evidence: 1 |Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence: 3 |Â Concept of Organic Evolution: Evidence |
 63%
From NCERT
AIPMT - 2006
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Which one of the following options gives one correct example of convergent evolution and divergent evolution?
| Convergent Evolution | Divergent Evolution | |
| 1. | Eyes of octopus and mammals | Bones of forelimbs of vertebrates |
| 2. | Thorns of Bougainvillea and tendrils Cucurbita | Wings of butterflies and birds |
| 3. | Bones of forelimbs of vertebrates | Wings of butterfly and birds |
| 4. | Thorns of Bougainvillea and tendrils of Cucurbita | Eyes of Octopus and mammals |
Subtopic: Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 85%
From NCERT
AIPMT - 2012
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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
2. Analogy
3. Convergent evolution
4. Adaptive radiation
Subtopic: Â Concept of Organic Evolution: Evidence: 1 |Â Concept of Organic Evolution: Evidence |
 68%
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: Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 70%
From NCERT
NEET - 2018
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Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of:
1. Analogous organs
2. Adaptive radiation
3. Homologous organs
4. Convergent evolution
Subtopic: Â Concept of Organic Evolution: Evidence: 1 |Â Concept of Organic Evolution: Evidence |
 82%
AIPMT - 2014
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The wings of a bird and the wings of an insect are:
| 1. | Homologous structures, represent divergent evolution |
| 2. | Analogous structures, represent convergent evolution |
| 3. | Phylogenetic structures, represent divergent evolution |
| 4. | Homologous structures, represent convergent evolution |
Subtopic: Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 85%
From NCERT
NEET - 2015
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The eye of the octopus and the eye of the cat show different patterns of structure, yet they perform a similar function. This is an example of:
| 1. | Homologous organs that have evolved due to divergent evolution. |
| 2. | Analogous organs that have evolved due to convergent evolution. |
| 3. | Analogous organs that have evolved due to divergent evolution. |
| 4. | Homologous organs that have evolved due to convergent evolution. |
Subtopic: Â Concept of Organic Evolution: Evidence: 1 |Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 90%
From NCERT
AIPMT - 2013
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The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge is called:
1. Convergent evolution
2. Non-random evolution
3. Adaptive radiation
4. Natural selection
Subtopic: Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 67%
From NCERT
AIPMT - 2013
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Analogous structures are results of?
1. convergent evolution
2. shared ancestry
3. stabilizing selection
4. divergent evolution
2. shared ancestry
3. stabilizing selection
4. divergent evolution
Subtopic: Â Concept of Organic Evolution: Evidence: 2 |Â Concept of Organic Evolution: Evidence |
 92%
From NCERT
NEET - 2016
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