Examination on Basic Science
Class: JSS 3
Term: Second Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is a natural magnet. (a) Electromagnet (b) Loadstone (c) Steel (d) Iron
2. Which of the following is an example of a cash crop? (a) Yam (b) Rice (c) Cocoa (d) Cassava
3. All of these are animal resources except ________. (a) Hides (b) Skin (c) Dairy products (d) Timber
4. Which is NOT a reason for acquiring skills? (a) Emergency management (b) Risk taking (c) Decision making (d) Dependence on others
5. Sound is produced by ________. (a) Reflection (b) Vibration (c) Refraction (d) Absorption
6. The main reason for the dispersion of light is ________. (a) Reflection (b) Refraction (c) Absorption (d) Diffraction
7. The correct step in caring for a magnet is to ________. (a) Drop it frequently (b) Heat it (c) Keep it with a keeper (d) Hammer it
8. Which of these is not a solid mineral? (a) Gold (b) Tin (c) Crude oil (d) Coal
9. ________ circuits have components connected along a single path. (a) Parallel (b) Series (c) Complex (d) Mixed
10. An example of a plant resource used for drugs is ________. (a) Maize (b) Cotton (c) Neem (d) Groundnut
11. The bending of light as it passes from one medium to another is called ________. (a) Reflection (b) Refraction (c) Dispersion (d) Diffraction
12. ________ is the process by which light bounces off a surface. (a) Refraction (b) Reflection (c) Dispersion (d) Transmission
13. The positive and negative charges in an electrical circuit are carried by ________. (a) Protons (b) Neutrons (c) Electrons (d) Atoms
14. Which of the following minerals is primarily used for cement production? (a) Gold (b) Tin (c) Limestone (d) Coal
15. A device that protects electrical circuits from overcurrent is a ________. (a) Switch (b) Battery (c) Fuse (d) Resistor
16. The law of magnetism states that like poles ________. (a) Attract (b) Repel (c) Neutralize (d) Merge
17. Which of these is a skill related to information technology? (a) Farming (b) Photography (c) Computer literacy (d) Tailoring
18. The process of breaking white light into its component colours is known as ________. (a) Reflection (b) Refraction (c) Dispersion (d) Interference
19. Which of the following animal resources is used for making leather products? (a) Milk (b) Eggs (c) Hides (d) Honey
20. ________ is the ability to acquire knowledge and perform tasks. (a) Talent (b) Skill (c) Hobby (d) Passion
21. The location of coal in Nigeria is predominantly in ________. (a) Jos (b) Ilesha (c) Enugu (d) Ewekoro
22. Hearing occurs when sound vibrations are converted into electrical signals in the ________. (a) Eye (b) Ear (c) Nose (d) Tongue
23. In a ________ circuit, each component has its own separate path for current flow. (a) Series (b) Parallel (c) Simple (d) Closed
24. The economic importance of gold is primarily for ________. (a) Construction (b) Fuel (c) Jewellery (d) Food
25. Which of these is a dairy product? (a) Meat (b) Wool (c) Cheese (d) Leather
26. The phenomenon responsible for the formation of a rainbow is ________. (a) Reflection (b) Refraction (c) Dispersion (d) All of the above
27. ________ are used to measure the amount of electrical energy consumed. (a) Voltmeters (b) Ammeters (c) Wattmeters (d) Electrical meters
28. The region around a magnet where its influence can be felt is called its magnetic ________. (a) Pole (b) Field (c) Line (d) Force
29. Which of the following is a food crop? (a) Cotton (b) Rubber (c) Yam (d) Sisal
30. The importance of skill acquisition includes all of the following except ________. (a) Self-employment (b) Poverty reduction (c) Increased dependency (d) Innovation
31. When sound waves hit a hard surface and bounce back, it is called ________. (a) Refraction of sound (b) Reflection of sound (c) Absorption of sound (d) Transmission of sound
32. Which of these is a location for tin mining in Nigeria? (a) Kaduna (b) Jos (c) Ewekoro (d) Nkalagu
33. The flow of electrons in a conductor constitutes ________. (a) Heat (b) Light (c) Electricity (d) Sound
34. Which of the following is an example of a dye from plants? (a) Indigo (b) Palm oil (c) Groundnut oil (d) Cocoa
35. The economic importance of plant resources includes providing ________. (a) Mineral ores (b) Raw materials for industries (c) Electrical energy (d) Magnetic fields
36. Which of these is NOT a way to care for magnets? (a) Storing with keepers (b) Avoiding high temperatures (c) Hammering (d) Preventing drops
37. ________ is the process of seeing. (a) Reflection (b) Refraction (c) Vision (d) Dispersion
38. Which type of electrical circuit allows components to be switched on or off independently? (a) Series (b) Parallel (c) Simple (d) Closed
39. The economic importance of animal resources includes providing ________. (a) Building materials (b) Food and clothing (c) Solid minerals (d) Electrical insulators
40. ________ is a natural resource found in Ilesha. (a) Coal (b) Gold (c) Limestone (d) Tin

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) Define “resources from living things”. (2 marks)
(b) Give two examples each of plant and animal resources. (3 marks)
(c) Explain how two plant resources are economically important to society. (3 marks)
(d) State two ways animal resources are important to individuals. (2 marks)

2. (a) Differentiate between reflection and refraction of light. (2 marks)
(b) Explain the formation of a rainbow. (3 marks)
(c) List three examples of solid minerals and state one location for each in Nigeria. (3 marks)
(d) Mention two economic importance of solid minerals. (2 marks)

3. (a) What is sound energy? (2 marks)
(b) Briefly explain how sound is produced. (3 marks)
(c) Define skill acquisition and state two reasons for acquiring skills. (3 marks)
(d) Give two examples of skills an individual can acquire. (2 marks)

4. (a) Differentiate between series and parallel circuits. (2 marks)
(b) Explain the function of a fuse in an electrical circuit. (3 marks)
(c) State three ways to care for a magnet. (3 marks)
(d) Describe what a magnetic field is. (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Loadstone
Question 2 – ✅ (c) Cocoa
Question 3 – ✅ (d) Timber
Question 4 – ✅ (d) Dependence on others
Question 5 – ✅ (b) Vibration
Question 6 – ✅ (b) Refraction
Question 7 – ✅ (c) Keep it with a keeper
Question 8 – ✅ (c) Crude oil
Question 9 – ✅ (b) Series
Question 10 – ✅ (c) Neem
Question 11 – ✅ (b) Refraction
Question 12 – ✅ (b) Reflection
Question 13 – ✅ (c) Electrons
Question 14 – ✅ (c) Limestone
Question 15 – ✅ (c) Fuse
Question 16 – ✅ (b) Repel
Question 17 – ✅ (c) Computer literacy
Question 18 – ✅ (c) Dispersion
Question 19 – ✅ (c) Hides
Question 20 – ✅ (b) Skill
Question 21 – ✅ (c) Enugu
Question 22 – ✅ (b) Ear
Question 23 – ✅ (b) Parallel
Question 24 – ✅ (c) Jewellery
Question 25 – ✅ (c) Cheese
Question 26 – ✅ (d) All of the above
Question 27 – ✅ (d) Electrical meters
Question 28 – ✅ (b) Field
Question 29 – ✅ (c) Yam
Question 30 – ✅ (c) Increased dependency
Question 31 – ✅ (b) Reflection of sound
Question 32 – ✅ (b) Jos
Question 33 – ✅ (c) Electricity
Question 34 – ✅ (a) Indigo
Question 35 – ✅ (b) Raw materials for industries
Question 36 – ✅ (c) Hammering
Question 37 – ✅ (c) Vision
Question 38 – ✅ (b) Parallel
Question 39 – ✅ (b) Food and clothing
Question 40 – ✅ (b) Gold