Practice test

Genetics heredity evolution - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Dinosaurs were in
    1. Paleozoic era
    2. Paleozoic era
    3. Mesozoic era
    4. Plesistocene era
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  2. Question 2

    Which of the following is not a part of the Darwin’s theory of evolution?
    1. Natural selection
    2. Struggle for existence
    3. Survival of the fittest
    4. Inheritance of acquired characters
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  3. Question 3

    ‘Survival of the fittest’ was coined by
    1. Darwin
    2. Lamarck
    3. Mendel
    4. Weismann
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  4. Question 4

    The sum of genes in a population is called
    1. Phenotype
    2. Karyotype
    3. Genotype
    4. Gene pool
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  5. Question 5

    Wings of a bird and an insect are
    1. Homologous organs
    2. Analogous organs
    3. Vestigial organs
    4. Rudimentary organs
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  6. Question 6

    The wing of a bat and the wing of a bird are the examples of
    1. homogenous
    2. heterogeneous
    3. analogous
    4. homologous
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  7. Question 7

    Which of the following is a vestigial organ?
    1. Heart
    2. Kidney
    3. Lungs
    4. Appendix
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  8. Question 8

    Water flows off the wings of birds and insects due to the presence of
    1. Waxes
    2. Sugars
    3. Proteins
    4. Minerals
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  9. Question 9

    Wings of birds are
    1. integumentary outgrowth
    2. modified fore limbs
    3. modified hind limbs
    4. new structure
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  10. Question 10

    _____ is a scientific discipline concerned with the study of plant pollen, spores and certain microscopic planktonic organisms, in both, living and fossil form.
    1. Paleobotany
    2. Ethnobotany
    3. Dendrology
    4. Palynology
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  11. Question 11

    The fossil of Archaeopteryx represents the evidence of origin of
    1. birds from reptiles
    2. mammals from reptiles
    3. reptiles from amphibians
    4. mammals from birds
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  12. Question 12

    Literal meaning of the term ‘Homo sapiens’ is
    1. Man - The Wise
    2. Man - The Supreme
    3. Man - The Omnivore
    4. Man - The Fool
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  13. Question 13

    Which of the following professional(s) are more likely to run the risk of a permanent change in their cell’s DNA?
    1. Researchers using carbon 14 isotope
    2. X-ray technician
    3. Coal miner
    4. Dyer and painter
    Select the correct answer by using the codes given below.

    1. Only 2
    2. 1, 2 and 3
    3. 1, 2 and 4
    4. 1, 3 and 4
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  14. Question 14

    In the context of genetic disorder, consider the following.
    A woman suffers from colour blindness, while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statement is most probably correct?
    1. Both children suffer from colour blindness
    2. Daughter suffers from colour blindness, while son does not suffer from it
    3. Both children do not suffer from colour blindness
    4. Son suffers from colour blindness, while daughter does not suffer from it
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  15. Question 15

    People with Down’s syndrome are invariably affected by
    1. Huntington’s disease
    2. Alzheimer’s disease
    3. Meningitis
    4. Brain hemorrhage
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  16. Question 16

    Barr body is absent in somatic cell of
    1. Klinefelter syndrome individual
    2. Tripple X syndrome individual
    3. Turner syndrome individual
    4. Sub-human mammalian female individual
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  17. Question 17

    Webbed neck is a characteristic of
    1. Down’s syndrome
    2. Turner’s syndrome
    3. Klinefelter’s syndrome
    4. Cri-du-chat syndrome
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  18. Question 18

    Which one among the following is not correct about Down’s syndrome?
    1. It is a genetic disorder
    2. Affected individual has early ageing
    3. Affected person has mental retardation
    4. Affected person has furrowed tongue with open mouth
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  19. Question 19

    Which chromosomal combination is responsible for maleness in man?
    1. XO
    2. XXX
    3. XX
    4. XY
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  20. Question 20

    Chromosome designation of Turner syndrome is
    1. 44A + XO
    2. 44A + XXX
    3. 44A + XXY
    4. 44A + XYY
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