Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. BECE
  4. /
  5. Basic Science
  6. /
  7. 2018 Paper 3
  8. /
  9. Q21
Question 21

In the diagram below, heat energy is transferred from the bottom to the top level of water by

  • A.condensation
  • B.conduction
  • C.convection
  • D.evaporation
  • E.radiation
Objective

Question details

Exam body
BECE
Subject
Basic Science
Year
2018 Paper 3
Question no.
#21
Type
Objective
Previous · Q20Calculate the work done in joules when a box is pulled with a force of 80N… Next · Q22 The components of petroleum are separated by a method known as

More from this paper

  • Q17Which of the following chemicals serves as a cleaning agent?
  • Q18A body of mass 40g moves with a velocity of 4ms -1 . Calculate its kinetic…
  • Q19A crate of mass 50kg is dragged by an engine along a horizontal floor through a…
  • Q23The unit of heredity is
  • Q24Human activities that cause desertification include the following except
  • Q25Which of the following is not a natural cause of flooding?
See all Basic Science 2018 Paper 3 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