Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
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The last major evolutionary advancement among the vascular plants was the emergence of flowering plants
(angiosperms) about
1. 350 million years ago
2. 140 million years ago
3. 16,00 million years ago
4. 220 million years ago
(angiosperms) about
1. 350 million years ago
2. 140 million years ago
3. 16,00 million years ago
4. 220 million years ago
Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
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Among the following largest in size interns of number of years is
1. Epoch
2. Era
3. Period
4. Both (1) and (2)
1. Epoch
2. Era
3. Period
4. Both (1) and (2)
Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
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The study of the fossil plants is known as
1. Palaeontology
2. Palaeobotany
3. Palynology
4. Palaeoanatomy
1. Palaeontology
2. Palaeobotany
3. Palynology
4. Palaeoanatomy
Subtopic: Â Palentological Evidences of Evolution |
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Subtopic: Â Palentological Evidences of Evolution |
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From NCERT
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Excreta preserved as a fossil is called
1. Stromatolite
2. Compression fossil
3. Intact fossil
4. Coprolite
1. Stromatolite
2. Compression fossil
3. Intact fossil
4. Coprolite
Subtopic: Â Palentological Evidences of Evolution |
 54%
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Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
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Which of the following does not illustrate the phenomenon of natural selection?
1. Industrial melanism
2. Herbicide resistant weeds
3. Artificial breeding
4. Antibiotic resistant microbes
1. Industrial melanism
2. Herbicide resistant weeds
3. Artificial breeding
4. Antibiotic resistant microbes
Subtopic: Â Concept of Organic Evolution: Evidence |
 74%
From NCERT
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All of the following are examples of homologous organs, except
1. Arm of man and flipper of whale
2. Thorn of Bougainvillaea and tendril of cucurbita
3. Eye of an octopus and eye of a mammal
4. Brain of frog and man
1. Arm of man and flipper of whale
2. Thorn of Bougainvillaea and tendril of cucurbita
3. Eye of an octopus and eye of a mammal
4. Brain of frog and man
Subtopic: Â Concept of Organic Evolution: Evidence |
 81%
From NCERT
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The homologous organs are
1. Wings of pigeon and housefly
2. Wings of housefly and bat
3. Wings of pigeon and forelimbs of man
4. Wings of butterfly, bat and housefly
1. Wings of pigeon and housefly
2. Wings of housefly and bat
3. Wings of pigeon and forelimbs of man
4. Wings of butterfly, bat and housefly
Subtopic: Â Concept of Organic Evolution: Evidence |
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