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Biology 2010 JAMB Past Questions

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36

A pair of genes that control a trait is referred to as?

  • A. an allele
  • B. recessive
  • C. dominant
  • D. a hybrid
View Answer & Discuss (2) JAMB 2010
37

The chromosome number of a cell before and after the process of meiosis is conventionally represented as?

  • A. 2n → 2n
  • B. n → n
  • C. n → 2n
  • D. 2n → n
View Answer & Discuss (2) JAMB 2010
38

At what stage in the life history of a mammal is the sex of an individual set?

  • A. at adolescence
  • B. at puberty
  • C. at birth
  • D. at conception
View Answer & Discuss (16) JAMB 2010
WAEC offline past questions - with all answers and explanations in one app - Download for free
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
39

The main distinguishing features between the soldier termite and other members of the caste are the?

  • A. presence of wings, possession of a small head and large thorax
  • B. presence of wings, possession of a large thorax and a small head
  • C. absence of wings, possession of strong mandibles and a large head
  • D. absence of wings,possession of big head and the absence of mandible
View Answer & Discuss (1) JAMB 2010
40

The flippers of a whale and the fins of a fish are examples of?

  • A. divergent evolution
  • B. coevolution
  • C. continous variation
  • D. convergent evolution
View Answer & Discuss (9) JAMB 2010
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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 Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709