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Q. No.The unit of organic evolution will be:
1. An individual
2. A population
3. A biological community
4. A species
Subtopic: Definition & Types of Evolution |
60%
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The similarity between marsupial mole and placental mole as shown in the given figure is due to:
| 1. | saltation | 2. | molecular clocks |
| 3. | punctuated equilibrium | 4. | convergent evolution |
Subtopic: Concept of Organic Evolution: Evidence |
94%
From NCERT
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All the following will be true regarding the molecular evidence for evolution except:
| 1. | related organisms share a greater portion of their DNAs |
| 2. | the hemoglobin gene is less similar between humans and dogs than between humans and chimpanzees |
| 3. | only DNA can be examined for establishing evolutionary differences |
| 4. | phylogenetic trees can be established using molecular evidence |
Subtopic: Concept of Organic Evolution: Evidence |
72%
From NCERT
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Geneticists refer to "fitness" as:
| 1. | the measure of an organism's adaptability to various habitats. |
| 2. | the number of mates each individual of the population selects. |
| 3. | the relative health of each individual in the population. |
| 4. | a measure of the contribution of a genotype to the gene pool of the next generation. |
Subtopic: Biological Evolution |
From NCERT
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‘An Essay on the Principle of Population’, a work that possibly influenced Darwin was authored by:
| 1. | A R Wallace | 2. | Charles Lyell |
| 3. | T R Malthus | 4. | Georges Cuvier |
Subtopic: Biological Evolution |
74%
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The process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits is:
1. reverse evolution
2. artificial selection
3. mutation
4. natural selection
1. reverse evolution
2. artificial selection
3. mutation
4. natural selection
Subtopic: Concept of Organic Evolution: Evidence |
91%
From NCERT
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The emergence of resistance to antibiotics in bacterial groups is due to:
1. adaptive radiation
2. transduction
3. pre-existing variation in the population
4. mutations induced by antibiotics
1. adaptive radiation
2. transduction
3. pre-existing variation in the population
4. mutations induced by antibiotics
Subtopic: Concept of Organic Evolution: Evidence |
From NCERT
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Evolution of life shows that life forms had a trend of moving from:
1. land to water
2. dry land to wet land
3. fresh water to sea water
4. water to land
1. land to water
2. dry land to wet land
3. fresh water to sea water
4. water to land
Subtopic: Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
94%
From NCERT
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Identify the correct lineage in human evolution
| 1. | Australopithecus → Ramapithecus → Homo sapiens → Homo habilis |
| 2. | Homo erectus → Homo habilis → Homo sapiens |
| 3. | Ramapithecus → Homo habilis → Homo erectus → Homo sapiens |
| 4. | Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens. |
Subtopic: Evolution of Homo Sapiens |
81%
From NCERT
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What conditions of the primeval earth, as proposed by Oparin, were simulated in his experiment by S. L. Miller in 1953?
| 1. | low temperature, volcanic storms, atmosphere rich in oxygen |
| 2. | low temperature, volcanic storms, reducing atmosphere |
| 3. | high temperature, volcanic storms, non-reducing atmosphere |
| 4. | high temperature, volcanic storms, reducing atmosphere containing CH4, NH3 etc. |
Subtopic: Origin of Life |
92%
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