Genetic drift operates in:

1. Small isolated population

2. Large isolated population

3. Fast reproductive population

4. Slow reproductive population

Subtopic:  Difference Between Drift & Selection |
 82%
AIPMT - 2002
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NEET 2026 - Target Batch - Vital
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There is no life on the moon due to the absence of:

1. O2

2. Water

3. Light

4. Temperature

Subtopic:  Origin of Life |
AIPMT - 2002
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According to fossils that have been discovered till now, the origin and evolution of man started from which country?

1. France

2. Java

3. Africa

4. China

Subtopic:  Introduction to Human Evolution |
 75%
From NCERT
AIPMT - 2002
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In which condition, the gene ratio remains constant for any species?

1. Sexual selection

2. Random mating

3. Mutation

4. Gene flow

Subtopic:  Sources of Variation: 1 | Sources of Variation: 2 |
 65%
AIPMT - 2002
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The sequence of which of the following is used to know the phylogeny?

1. m-RNA 2. r-RNA
3. t-RNA 4. DNA
Subtopic:  Biochemical Evidences |
AIPMT - 2002
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What is true for individuals of the same species:

1. Live in the same niche

2. Live in the same habitat

3. Interbreeding

4. Live in different habitat

Subtopic:  Concept of Speciation |
 67%
AIPMT - 2002
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In which era reptiles were dominated:

1. Coenozoic era

2. Mesozoic era

3. Paleozoic era

4. Archaeozoic era

Subtopic:  Concept of Organic Evolution: Evidence: 2 |
 67%
From NCERT
AIPMT - 2002
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Convergent evolution is illustrated by:

1. Rat and dog

2. Bacterium and protozoan

3. Starfish and cuttlefish

4. Dogfish and whale

Subtopic:  Palentological Evidences of Evolution |
 57%
AIPMT - 2003
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Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?

1. Overproduction, variations, constancy of population size, natural selection
2. Variations, constancy of population size, overproduction, natural selection
3. Overproduction, constancy of population size, variations, natural selection
4. Variations, natural selection, overproduction, constancy of population size
Subtopic:  Darwin's Theory |
From NCERT
AIPMT - 2003
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Random genetic drift in a population probably results from:

1. Highly genetically variable individuals

2. Interbreeding within this population

3. Constant low mutation rate

4. Large population size

Subtopic:  Difference Between Drift & Selection |
AIPMT - 2003

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