Junior WAEC 2024 Questions and Answers Basic Science PDF

This is for BECE Candidates looking for Junior WAEC 2024 Questions and Answers Basic Science. The Basic Science paper is compulsory for all candidates regardless of their school. So, here you will get genuine Junior WAEC 2024 Questions and Answers for Basic Science. Your duty now is to read through them as many times as possible and get ready to smash your Basic Science paper.

What are Junior WAEC 2024 Questions and Answers Basic Science

Junior WAEC 2024 Questions and Answers Basic Science are the questions you should expect in your Basic Science paper in 2024 BECE, together with their answers.

It is very important that every candidate preparing to sit for Basic Science in the forthcoming 2024 BECE examination should catch a glimpse of these questions.

In so doing, they will know what to expect in the exam hall. Knowing exactly what to expect will boost their confidence and guarantee them a very high score.

Junior WAEC 2024 Basic Science Questions and Answers Revealed!

On this page, we shall reveal Junior WAEC 2024 Questions and Answers Basic Science for all candidates taking the Basic Science paper.

How lucky you are to stumble upon this important page!

The questions are genuine and the answers are accurate, and all are a product of our passion to see you excel in your BECE and proceed to Senior Secondary School.

In the following sections, you will read the Basic Science questions you are to expect in your 2024 Junior WAEC exam as well as their answers. You can use the comments section if you still need clarification over some of the questions. We will give you a more detailed explanation.

BECE is a very serious and important examination. You will answer 60 questions in BECE Basic Science 2024 within 2 hours. So it’s important that you pay attention to the information revealed on this page.

Read Also: Junior WAEC 2024 Questions and Answers for All Subjects

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 1 – 10]

1. Removal of the oxygen from an oxide is called
A. oxidation          B. dehydration
C. reduction          D. hydrogenation

2. We can group ………. As living and non-living things
A. viruses             B. euglena
C. fungus             D. earthworm

3. Which of the following methods can be used to separate the mixture In ink?
A. decapitation           B. sieving
C. chromatography    D. sublimation

4. The bone that allows the nodding of the head is the
A. rib           B. tibia
C. femur      D. atlas

5. Food substances that help to repair worn out tissues are called
A. carbohydrates            B. fats and oil
C. minerals                     D. protein

6. A substance which is made up of more than one element that are chemically combined together is
A. compound            B. element
C. molecule               D. mixture

7. Mammals are those animals that
A. posses backbone
B. have two legs
C. have four legs
D. have hair on their body

8. In which of the parts of human body does the embryo develop?
A. oviduct           B. bladder
C. ovaries            D. womb

9. In the preparation of oxygen in the laboratory, manganese(iv) oxide act as
A. electrolytes          B. catalyst
C. enzymes              D. decomposers

10. Galvanized iron is iron coated with
A. tin              B. chromium
C. zinc            D. gold

Answers to Basic Science Question Number 1 – 10

1.C   2.A   3.C   4.C   5.D   6.A   7.D   8.D   9.B   10.C

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 11 – 20]

11. The enzyme ptyalin is secreted in the
A. ileum            B. stomach
C. mouth           D. duodenum

12. In the electrolysis of water, the platinum foil are referred to as
A. electrodes         B. electrolysis
C. electrolytes       D. compound

13. Which of the solutions with pH values indicted is most acidic?
A. alcohol pH 1
B. water pH 3
C. kerosene pH 2
D. phenol pH 5

14. Muscles are attached to bones by tough structure called
A. ligament            B. tendons
C. cartilage             D. capsule

15. Rusting and burning are examples of
A. electroplating            B. combustion
C. galvanization             D. hydrolysis

16. Salt is a good example of a/an …. because it is made up of more than one elements.
A. alkali            B. compound
C. acid              D. element

17. The ball and socket joint allows movement in
A. all direction
B. one direction
C. two direction
D. does not allow movement

18. The energy stored in yam tuber is known as …… energy
A. food             B. heat
C. chemical       D. stored

19. Which of the animals listed below is not a vector?
A. butterfly           B. blackfly
C. aphid                D. rat

20. The kidneys, ureters, bladder and urethra make up …. systems
A. reproductive            B. respiratory
C. urinary                     D. circulatory

Answers to Basic Science Question Number 11 – 20

11.C   12.A   13.A   14.B   15.B   16.C   17.A    18.C   19.A   20.C

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 21 – 30]

21. The spectrum which occur in the sky is known as
A. cloud             B. thunder
C. rainbow         D. moon

22. Photosynthesis is possible in plants because of the presence of
A. cytoplasm
B. chlorophyll
C. cellulose cell wall
D. large vacuole

23. In aquatic animals like fish, the special organ that are developed for absorbing oxygen are
A. spiracles            B. gills
C. lenticels             D. lungs

24. The best method for preserving cassava is
A. smoking          B. drying
C. processing      D. refrigerating

25. If a person is able to apply a small force to produce a large force, the person is said to have
A. energy
B. power
C. mechanical advantage
D. force

26. Involuntary actions are coordinated by the
A. brain              B. motor neurons
C. peripherals     D. spinal cord

27. The enzyme that convert fats to fatty acids and glycerol is known as
A. ptyalin             B. pepsin
C. lipase               D. trypsin

28. The correct order of reactivity of the metals (1) Aluminum (2) potassium (3) Magnesium (4) Zinc is
A. 1, 2, 3, 4
B. 4, 1, 2, 3
C. 2, 3, 1, 4
D. 3, 1, 2, 4

29. In T.V. station, the picture and sound are converted to ……. wave, which are transmitted into space.
A. ratio           B. medium
C. short          D. electromagnetic

30. The period from conception to birth of an organisms is known as
A. vapour           B. ovulation
C. gestation       D. puberty

Answers to Basic Science Question Number 21 – 30

21.C   22.B   23.B   24.C   25.C   26.D   27.C   28.C   29.A   30.C

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 31 – 40]

31. When gases are compressed, they change into
A. vapour            B. liquids
C. solids              D. particles

32. Which of the following helps to build our body muscles?
A. sleeping           B. resting
C. exercise            D. eating

33. People who cannot do without taking drugs are called drug
A. abusers           B. addicts
C. takers              D. users

34. All these substances sublime EXCEPT
A. camphor
B. naphthalene
C. solid carbon (iv) oxide
D. sugar

35. An example of salt water habitat is
A. river            B. pond
C. ocean         D. stream

36. Plants produced for sales to people in other countries of the world are known as…….. crop
A. world           B. food
C. cash             D. plaint

37. The percentage of oxygen in the atmosphere is kept constant as a result of
A. respiration               B. excretion
C. photosynthesis        D. irritability

38. When an atom loses or gains an electron, it becomes a/an
A. iron              B. molecule
C. cathode       D. ion

39. Important chemical that brewers use in the production of alcoholic drinks is
A. dyes             B. drugs
C. bacteria        D. yeast

40. Energy is released in plants and animals a process called
A. excretion            B. photosynthesis
C. respiration          D. boiling

Answers to Basic Science Question Number 31 – 40

31.B   32.C   33.B   34.D   35.C   36.C   37.C   38.D   39.D   40.C

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 41 – 50]

41. During chemical reaction, matter is neither created nor destroyed. This is the law of
A. chemical balance
B. conservation of mass
C. multiple proportion
D. Avogadro law

42. NaOH + HCL → NaCL + H₂O
the above equation simply explains
A. neutralization
B. rusting
C. formation of slag
D. alkali

43. Multiplication of algae in water is as a result of addition of
A. nitrate             B. phosphate
C. sulphates        D. carbonate

44. To account for all the atoms in the reactants and products when balancing equations we use
A. chemical balance          B. spring balance
C. coefficients                   D. atomic number

45. The method of heat transfer from one end of a metal rod to the other end without any movement of the particles of the rod is called
A. heat transfer            B. conduction
C. conservation            D. radiation

46. A……. class lever has the fulcrum between the load and the effort
A. first             B. second
C. third            D. fourth

47. We can prepare oxygen by passing an electric current through water. This process is called
A. electrolysis              B. distillation
C. hydrolysis               D. decantation

48. At what temperature does evaporation of water take place?
A. 100^oC
B. 0^oC
C. any temperature
D. 10^oC

49. Gases in the environment maintain balance through
A. expansion                  B. continuous cycle
C. vaporization              D. diffusion

50. Calcium ion has a charge of +2 and hydroxide ion has a charge of -1. What is the chemical formular for calcium hydroxide?
A. Ca(OH)₂
B. K(OH)
C. Ca₂OH
D. CaOH₂

Answers to Basic Science Question Number 41 – 50

41.B   42.A   43.A   44.C   45.B   46.A   47.A   48.C   49.B   50.A

Junior WAEC 2024 Questions and Answers Basic Science [Numbers 51 – 60]

51. Communication in space by the space travelers is made possible with the use of
A. telephone
B. natural voice
C. radio transmitters and receivers
D. fax

52. The Parasite that causes sleeping sickness is known as
A. Plasmodium                B. Nagana
C. Trypanosome              D. Tse tse  fly

53. Rusting and burning take up oxygen from the air. They are examples of
A. reduction            B. decomposition
C. oxidation            D. neutralization

54. One of the following is NOT a kind of cloud
A. Cumulus           B. Circus
C. Stratus              D. Haze

55. The instrument of measuring pressure is
A. Barometer           B. Hydrometer
C. Hygrometer        D. thermometer

56. The locomotive movement found in frogs is known as
A. wriggling             B. jumping
C. cawing                 D. flying

57. Which of these salts do we use in cooking
A. CuSO₄            B. AgNO₃
C. MgSO₄           D. NaCL

58. Animals use food already made by plants, so their method of feeding  is
A. autotrophic          B. heterotrophic
C. holozoic               D. sporophytic

59. If the mass of 40kg is acted upon by a force which produced an acceleration 3m/s. Calculate the force.
A. 12N             B. 0.12N
C. 1.2N            D. 120N

60. The response shown by the root of plants to the stimulus of light is known as
A. Geotropism            B. thermotropism
C. chemotropism        D. phototropism

Answers to Basic Science Question Number 51 – 60

51.C   52.C   53.C   54.D   55.A   56.B   57.C   58.B   59.B   60.D

SECTION B: ESSAY

Answer ALL questions in this section.

1. (a) What is nutrition?
(b) What is autotropism?
(c) Give a brief definition of the following, giving an example of each.
(I) Herbivores (II) Carnivores (III) Omnivores
(d) Give reasons why a spider is not an insect.

2. (a) Petroleum is a mixture of many substances. What do we call these substances?
(b) List two products obtained from:
(i) fractional distillation of crude oil
(ii) destructive distillation of coal
(c) Give one disadvantage of hardness of water

3. (a) Draw a typical plant cell and label its parts.
(b) Define the term, “Erosion”.
(c) State the properties of hydrogen gas
(d) Give one simple test for hydrogen

4. (a) Name three (3) natural sources of chemical energy.
(b) What type of energy has a catapult when the elastic has been pulled back?
(c) Two farmers are working on their farm on a hot day. One is wearing a white shirt while the other is wearing a black shirt. Which farmer will feel hotter and why?
(d) What is the kinetic energy of a ball with a mass of 2kg and moving at a velocity of 3km/hr?

Conclusion

So here you have the 60 Basic Science Questions you can expect in your 2024 BECE Basic Science examination. Read them again and again. Ensure that you get very familiar with each of them such that you can readily recognize them any time.

Remember that you can ask for more detailed explanation to any of the above questions in case you don’t fully understand it. Don’t be shy, just scroll down and use the comments section. Drop your questions and expect comprehensive answers as soon as possible.

More so, you can help us to reach others in need of Junior WAEC 2024 Basic Science Questions and Answers by sharing this post with friends on Social Media. Just scroll down to see the Facebook and Twitter and WhatsApp buttons. Thank you so much!

See you on the next article.

Read Also: Junior WAEC Time Table 2024 is Out

Junior WAEC 2024 Questions and Answers Basic Science