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Biology 2011 JAMB Past Questions

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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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36
If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of
  • A. codominance
  • B. incomplete dominance
  • C. mutation
  • D. linkage
View Answer & Discuss (6) JAMB 2011
37
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
  • A. Variation
  • B. Survival of the fittest
  • C. Use and disuse
  • D. Competition
View Answer & Discuss (3) JAMB 2011
38

The crossing of individuals of the same species with different genetic characters is

  • A. cross breeding
  • B. polygenic inheritance
  • C. non-disjunction
  • D. inbreeding
View Answer & Discuss (11) JAMB 2011
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
39
The number of alleles controlling blood groups in humans
  • A. 3
  • B. 4
  • C. 5
  • D. 2
View Answer & Discuss (4) JAMB 2011
40

During blood transfusion, agglutination may occur as a result of the reaction between

  • A. contrasting antigens and antibodies
  • B. two different antigens
  • C. two different antibodies
  • D. similar antigens and antibodies
View Answer & Discuss (11) JAMB 2011
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709