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Q. No.Which of the following is not vestigeal organ in human beings?
1. Rudimentary ear muscles and third molars (wisdom teeth), body hair
2. Coccygeal tail, vertebrae and scalp muscles
3. Vermiform appendix and nictitating membrane of the eye
4. Ear pinna, patella, olecranon process
Subtopic: Concept of Organic Evolution: Evidence |
55%
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Which of the following is not a vestigial organ?
1. Scalp hair
2. Epiglottis
3. Verniform appendix
4. Wisdom tooth
1. Scalp hair
2. Epiglottis
3. Verniform appendix
4. Wisdom tooth
Subtopic: Concept of Organic Evolution: Evidence |
70%
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Subtopic: Concept of Organic Evolution: Evidence |
54%
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Gill clefts and notochord appear in the embryonic development of all vertebrates from fishes to mammals.
This supports the theory of
1. Recapitulation
2. Metamorphosis
3. Biogenesis
4. Abiogenesis
This supports the theory of
1. Recapitulation
2. Metamorphosis
3. Biogenesis
4. Abiogenesis
Subtopic: Concept of Organic Evolution: Evidence |
65%
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Cycas and Ginkgo are connecting links between
1. Bryophytes and pteridophytes
2. Pteridophytes and gymnosperms
3. Gymnosperms and angiosperms
4. Thallophyta and bryophyta
1. Bryophytes and pteridophytes
2. Pteridophytes and gymnosperms
3. Gymnosperms and angiosperms
4. Thallophyta and bryophyta
Subtopic: Concept of Organic Evolution: Evidence |
57%
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Which one of the following is not a living fossil?
1. Peripatus
2. King crab (Limulus)
3. Archaopteryx
4. Sphenodon
1. Peripatus
2. King crab (Limulus)
3. Archaopteryx
4. Sphenodon
Subtopic: Concept of Organic Evolution: Evidence |
60%
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Presence of tail and coarse hair in human baby is
1. Radiation
2. Atavism
3. Mutation
4. Crossing over
1. Radiation
2. Atavism
3. Mutation
4. Crossing over
Subtopic: Concept of Organic Evolution: Evidence |
74%
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" It is a stochastic process based on chance events in nature and chance mutation in the organisms".
This statement tells us about
1. Non directional nature of evolution
2. Directinal mutations leading to natural selection
3. Lack of anthropogenic impact on the evolutionary time scale
4. Constant rate of reproduction and evolution in all organims
This statement tells us about
1. Non directional nature of evolution
2. Directinal mutations leading to natural selection
3. Lack of anthropogenic impact on the evolutionary time scale
4. Constant rate of reproduction and evolution in all organims
Subtopic: Concept of Organic Evolution: Evidence |
54%
From NCERT
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Dinosaurs were dominant in the world in which of the following Era?
1. Cenozoic
2. Jurassic
3. Mesozoic
4. Devonian
1. Cenozoic
2. Jurassic
3. Mesozoic
4. Devonian
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
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Study of history of life forms on earth is known as
1. Evolutinary biology
2. Morphology
3. Physiology
4. Biogenesis
1. Evolutinary biology
2. Morphology
3. Physiology
4. Biogenesis
Subtopic: Concept of Organic Evolution: Evidence |
84%
From NCERT
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