Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UI
  4. /
  5. Biology
  6. /
  7. 2017/2018
  8. /
  9. Q24
Question 24

Which of the following is a major factor in variation among organisms?

  • A.Inbreeding
  • B.Backcrossing
  • C.Test crossing
  • D.Sexual reproduction
  • E.Gene dominance
Objective

Question details

Exam body
UI
Subject
Biology
Year
2017/2018
Question no.
#24
Type
Objective
Previous · Q23The process which ensures that the chromosome number for each species of… Next · Q25 ............. is an example of an invertebrate

More from this paper

  • Q17The carrier of the hereditary characters in plants is the
  • Q18All are necessary for photosynthesis except ...........
  • Q19Growing yam tendrils climb for support. This growth response is
  • Q20Which is the correct order in an evolutionary sequence for the following plant…
  • Q21Which of these organs regulate the amount of sugar in the blood?
  • Q22The basis for growth and asexual reproduction is
See all Biology 2017/2018 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy