Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Biology
  6. /
  7. 1989
  8. /
  9. Q40
Question 40

Which of the following methods is used in food preservation for a long period?

  • A.adding oil to food
  • B.Exposing food to fresh air
  • C.keeping the food in a store
  • D.Warming the food daily
  • E.Salting and drying the food
Objective

Question details

Exam body
WAEC
Subject
Biology
Year
1989
Question no.
#40
Type
Objective
Previous · Q39Which of the following. groups of organisms feeds directly on green plants? Next · Q41 Maize is best stored against insect attack

More from this paper

  • Q36Which of the following statements is not correct about the ecological effects of…
  • Q37Pests can be controlled without the subsequent danger of polluting the ecosystem…
  • Q38The activities of an organism which affect the survival of another organism in a…
  • Q42Which of the following is not an effect of overcrowding on a population?
  • Q43The term used in describing the effective management of national resources by…
  • Q44Breathing roots are characteristic structures of plants growing in
See all Biology 1989 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