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Biology Past Questions

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4141

The type of variation illustrated above is

  • A. continuous variation
  • B. discontinuous variation
  • C. morphological variation
  • D. environmental variation
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4142

Which of the following characters is not a morphological variation?

  • A. shape of the nose
  • B. colour of skin
  • C. colour of hair
  • D. tongue rolling
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4143

An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?

  • A. 20 chromosomes in the gametes and 10 in the somatic cells
  • B. 40 chromosomes in the gametes and 20 in the somatic cells
  • C. 20 chromosomes in the gametes and 40 in the somatic cells
  • D. 40 chromosomes in the gametes and 40 in the somatic cells
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4144

Assuming that A is the gene for normal skin color and is dominant, while a is the gene for albinism and its recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?

  • A. AA, aa
  • B. Aa, aa
  • C. AA, Aa
  • D. Aa, Aa
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4145

Which of the following statements is true about mutation?

  • A. Phenotype is not involved
  • B. Genotype is not involved
  • C. Artificial induction is not possible
  • D. Genotype is involved
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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