Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Biology
  6. /
  7. 1997
  8. /
  9. Q49
Question 49

In palm-wine, yeast acts as a

  • A.carrier
  • B.culturing agent
  • C.preservative
  • D.catalyst
  • E.sweetening agent
Objective

Question details

Exam body
WAEC
Subject
Biology
Year
1997
Question no.
#49
Type
Objective
Previous · Q48The farming practice by which an exhausted farm land is left for a number of… Next · Q50 Which of the following farm practices can cause loss of soil fertility?

More from this paper

  • Q45A habitat with low rainfall, very low humidity, exposed soil with little plant…
  • Q46Which of the following factors may not cause over-crowding?
  • Q47Crops grown mainly to feed animals are called
  • Q51One of the use of variation is in
  • Q52In which of the underlisted blood groupings is agglutination likely to occur…
  • Q53Which of the following is not a morphological variation
See all Biology 1997 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