Junior WAEC Basic Science Past Questions and Answers PDF for (JSCE) JSS3

Filed in WAEC by on February 17, 2021 0 Comments

Download Junior Basic Science Past Questions and Answers PDF. Are you looking for JSS3 Integrated Science Past Questions, JSCE basic science questions are easy to pass if one can pay close attention to some important topics in this article below.

Junior WAEC Basic Science Past Questions

The importance of these compiled and downloadable Junior WAEC Basic Science past questions is to let current and future JSCE candidates the opportunity to have a comprehensive JSS3 past questions at their disposal.

If you devote much time to study and practice with these Junior past questions in Basic Science, you will be able to score very high up-coming JSCE exam. It is when you practice that you gain mastery over any subject that may seem difficult.

We have interesting articles that can assist you in your preparation towards the up-coming JSS3, we advise that you read, ruminate, and digest them.

Below are the downloadable past questions we have gathered together for those preparing for JSCE.

English Language

Agricultural Science

Civic Education

Physical health education

Computer Studies

Social Studies



Fine Art


Home economics

Social Studies


Facts about Junior WAEC Basic Science Expo

Are you looking for “JSCE expo” or “JSS3 expo”? Read this short article to give you more insight into why expo destroys life than a cigarette.

The number of fraudulent people is increasing on a daily basis because of the crave of students to get expo to Junior WAEC questions. And because there is high demand for an “expo,” people now venture into the business to make gain from students who are looking for a shortcut to pass an exam.

Looking for an “expo” is a distraction to lieu you away from adequate preparation for the exams.

Junior WAEC Integrated Science Past Questions and Answers

One of the frequent questions I do get from students in JSS3 is – Do WAEC repeat JSS3 questions? My response has always been – yes they do.

However, the way WAEC repeat JSCE questions is a little bit tricky, and sometimes they do it directly. All candidates who are writing Junior WAEC must know that JSCE secret lie in mastering past questions.

I do tell my students that one of the ways to unfold Junior WAEC secret is to get like 7-12 years Junior WAEC Integrated Science past questions. You have to study the trend and pattern of the questions, its occurrences, and then extract areas/topics WAEC likes bringing out in each JSS3 subject you are writing.

Examples of Junior WAEC Basic Science repeated questions 2021


1. Which of these organs secretes carbon dioxide and excess sugar in the body?
A. Bladder B. Kidney
C. Liver
D. Lung
E. Skin

2. An injury that occurs to a muscle is called.
A. cramp B. dislocation
C. fracture D. sprain
E. strain

3. The following are examples of biodegradable materials EXCEPT
A. banana B. nylon bag
C. orange peels D. waste plants
E. yam peelings

4. Which of these is a cash crop?
A. Corn
B. Groundnut
C. Okro
D. Potato
E. Yam

5. Substances taken medically for physiological set up of the body is called
A. drugs
B. food
C. juice
D. mineral
E. vitamin

6. The plant structure that gives it the green colour is the
A. cell membrane
B. cell wall
C. chloroplast
D. nucleus
E. vacuole

7. Which of the following is a vertebrate animal?
A. Cockroach B. Crab C. Fish
D. Millipede E. Spider

8. The part of a respiratory system that carries air directly to the lung is the
A. bronchi B. diaphragm C. larynx
D. pharynx E. trachea

9. The human respiratory system consists of the following EXCEPT
A. bronchi B. larynx C. lungs
D. rib E. trachea

10. In the female reproductive organ, eggs are stored in the
A. bladder
B. clitons
C. fallopian tube
D. ovaries
E. uterus

11. The scapula is an example of a
A. flat bone
B. irregular bone
C. long bone
D. short bone E. skull bone

12. Deficiency in vitamin A causes
A. abdominal pains
B. anaemia
C. night blindness
D. ricket
E. weakness

13. Palm leaf is a raw material used in making
A. bag B. belt
C. clothes D. sacks
E. shoes

14. The following are sources of domestic accident EXCEPT
A. broken plates
B. drugs
C. knives
D. slippery floor
E. water pipe

15. The following factors affect only aquatic habitat EXCEPT
A. humidity
B. salinity
C. soil type
D. temperature
E. turbidity

16. Plants survive in water because
A. the cuticle is thick and well – developed
B. the leaves have well – developed airspaces
C. the shoots are well – developed
D. the trunk is big
E. they have well – developed roots

17. In which form is excess sugar stored in the body?
A. Glucose
B. Glycogen
C. Lactose
D. Sucrose
E. Sugar

18. Which of these drugs taken by a patient helps to reduce stress?
A. Analgesics
B. Antibiotics
C. Contraceptives
D. Narcotics
E. Sedatives

19. An agent that passes pathogen from one living organism to another is
A. air B. food
C. soil D. vector
E. water

20. Which of these diseases can be contracted through impure drinking water?
A. Measles
B. Scabies
C. Tuberculosis
D. Typhoid fever
E. Whooping cough

21. During fertilization, the pollen and the ovule fuse to form the
A. cell
B. chromosomes
C. eggs
D. gene

E. zygote

22. The following are common signs of sexually transmitted infections EXCEPT
A. appearance of rashes on the body
B. bleeding from the vagina
C. chest contraction
D. discharge from sex organ
E. itching in the sex organ

23. The consequence of sexually transmitted infection is
A. abortion
B. dislocation
C. headache
D. measles
E. whooping cough

24. Which of these hormones increases the body’s metabolic rate?
A. Aldosterone
B. Calcitonin
C. Hydrocortisone
D. Parathyroid
E. Thyroid

25. In which part of the eye is the pupil located?
A. Cornea
B. Eye lashes
C. Iris
D. Sclera
E. Upper eyelid

26. The outer part of the ear is called the
A. auditory canal
B. ear drum
C. malleus
D. pinna
E. semicircular canal

27. The process of taking a baby off an entirely milk diet and replace it with other foods is referred to
A. displacing
B. feeding
C. intra-partum
D. parent-crafting
E. weaning

28. The care given to a woman in labour and immediately after delivery is called
A. ante-natal
B. contraception
C. intra-partum
D. post-natal
E. pre—natal

29. What is the function of chlorine added to sewage treatment?
A. Filter the water
B. Increase the sewage
C. Kill the micro-organisms
D. Reduce the sewage
E. Strengthen the micro-organisms

30. The following are skills needed to cope with drug abuse EXCEPT
A. contentment
B. humility
C. indiscipline
D. moderation
E. self-control

How to Get Junior WAEC Basic Science Past Questions PDF

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