Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. OAU
  4. /
  5. Biology
  6. /
  7. 2015/2016
  8. /
  9. Q21
Question 21

he mechanism of opening and closing the stomata is associated with the

  • A.guard cells
  • B.stoma
  • C.lenticels
  • D.air spaces
Objective

Question details

Exam body
OAU
Subject
Biology
Year
2015/2016
Question no.
#21
Type
Objective
Previous · Q20Which of these is not a water soluble vitamin? Next · Q22 Holozoic is seen in

More from this paper

  • Q17Respiratory surfaces generally have the following characteristics with the…
  • Q18Which of these components of the phloem has its cytoplasm pushed to the sides…
  • Q19Which of the following statements about phylum Cnidaria is correct?
  • Q23The part of the tooth that contains blood vessels and nerve fibres is
  • Q24[insert image]What type of lens is used in the spectacles of the people with…
  • Q25Which of these following biomes is currently being ravaged by desertification?
See all Biology 2015/2016 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