Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNILORIN
  4. /
  5. General Paper - Science & Engineering
  6. /
  7. 2011/2012
  8. /
  9. Q39
Question 39

What are the mineral ions that are most important in the production of chlorophyll by a plant?

  • A.iron and magnesium
  • B.calcium and magnesium
  • C.iron and calcium
  • D.copper and magnesium
Objective

Question details

Exam body
UNILORIN
Subject
General Paper - Science & Engineering
Year
2011/2012
Question no.
#39
Type
Objective
Previous · Q38Water vapour from the air spaces in a plant's leaf passes out through the… Next · Q40 The source of oxygen liberated during photosynthesis is

More from this paper

  • Q357.47g of hydrated copper (II) tetraoxo sulphate (VI) crystals were heated in a…
  • Q36What are the conditions necessary for the germination of all seeds?
  • Q37Which of the following conditions favours the fastest transpiration rate?
  • Q41Which of the following is a saprophyte?
  • Q42Which of the following is an example of sexual reproduction?
  • Q43Paramecium reproduces
See all General Paper - Science & Engineering 2011/2012 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