Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Biology
  6. /
  7. 1990
  8. /
  9. Q28
Question 28

Which of the following is not true about auxins? They

  • A.are manufactured by plants
  • B.are used in the site of production
  • C.are normally present in minute quantities in the cells of plants
  • D.regulate growth rate of plants
  • E.regulate direction of growth in plants
Objective

Question details

Exam body
WAEC
Subject
Biology
Year
1990
Question no.
#28
Type
Objective
Previous · Q27The brain and spinal cord make up the Next · Q29 Which of the following stimuli are not perceived through the skin of mammals?

More from this paper

  • Q24The increase in width of blood vessels in the mammalian skin at high…
  • Q25The condition known as cretinism is caused by the deficiency of
  • Q26Which of the following parts of the mammalian brain is involved in taking the…
  • Q30Which of the following parts of the' tongue does not correspond to the taste…
  • Q31The structures labelled III, VI, IV and II respectively represent the
  • Q32The gamete is produced in the structure labelled
See all Biology 1990 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