Examination on Basic Science
Class: Primary 6
Term: Second Term
Time: 1 Hour
Total Marks: 70

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

1. ________ is a push or pull that changes or tends to change the state of rest or motion of an object. (a) Gravity (b) Force (c) Energy (d) Power
2. Which of these is not an effect of force? (a) Changing the shape of an object (b) Changing the colour of an object (c) Moving a stationary object (d) Stopping a moving object
3. The main reason for reproduction in living things is to ________. (a) grow bigger (b) perpetuate their species (c) eat food (d) sleep well
4. The human heart is a muscular organ that functions primarily as a ________. (a) filter (b) storage tank (c) pump (d) sensor
5. Which of the following does NOT describe a characteristic of friction? (a) It opposes motion (b) It generates heat (c) It makes surfaces smoother (d) It causes wear and tear
6. All of these are male reproductive organs except ________. (a) testes (b) penis (c) uterus (d) scrotum
7. An example of a disadvantage of friction is ________. (a) walking (b) writing (c) wear and tear of machine parts (d) stopping a car
8. Which of the following blood vessels carry oxygenated blood away from the heart to other parts of the body? (a) Veins (b) Capillaries (c) Arteries (d) Vena Cava
9. The correct purpose of the heart is to ________ blood throughout the body. (a) filter (b) pump (c) store (d) clean
10. What is the force that opposes the motion between two surfaces in contact? (a) gravity (b) friction (c) magnetism (d) electricity
11. The part of the female reproductive system where a baby develops is the ________. (a) ovary (b) fallopian tube (c) uterus (d) vagina
12. ________ is the process by which living organisms produce new individuals of their own kind. (a) Growth (b) Nutrition (c) Reproduction (d) Respiration
13. Which of these is not a part of the human heart? (a) Atrium (b) Ventricle (c) Kidney (d) Aorta
14. Pushing a trolley is an example of a ________. (a) gravitational force (b) magnetic force (c) applied force (d) frictional force
15. All of these are advantages of friction except ________. (a) allowing us to walk (b) enabling vehicles to move (c) causing car tyres to wear out (d) helping us to hold objects
16. Blood distributes ________ and other essential materials to all parts of the body. (a) air (b) waste (c) food (d) hormones
17. Which of these organs is NOT primarily involved in the production of male gametes? (a) Testes (b) Scrotum (c) Penis (d) Uterus
18. The blood vessels that allow for the exchange of nutrients and waste products between blood and body cells are ________. (a) arteries (b) veins (c) capillaries (d) venules
19. If you apply force to an object, it can cause the object to ________. (a) disappear (b) change colour (c) accelerate (d) freeze
20. The function of the testes in the male reproductive system is to produce ________. (a) eggs (b) sperm (c) hormones (d) urine

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

1. (a) Define force. (2 marks)
(b) State three (3) effects of force on an object. (3 marks)
(c) Explain what friction is. (3 marks)
(d) Give two (2) examples of where friction is useful. (2 marks)

2. (a) Name the main organ responsible for pumping blood in the human body. (2 marks)
(b) List three (3) types of blood vessels found in the circulatory system. (3 marks)
(c) Briefly describe the function of blood in distributing materials in the body. (3 marks)
(d) State two (2) chambers of the human heart. (2 marks)

3. (a) What is reproduction? (2 marks)
(b) State three (3) reasons why reproduction is important for living organisms. (3 marks)
(c) Name three (3) male reproductive organs. (3 marks)
(d) What is the primary function of the ovary in the female reproductive system? (2 marks)

4. (a) Give two (2) disadvantages of friction. (2 marks)
(b) How does friction help us to walk? (3 marks)
(c) Name three (3) female reproductive organs. (3 marks)
(d) What is the main product of the testes? (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Force
Question 2 – ✅ (b) Changing the colour of an object
Question 3 – ✅ (b) perpetuate their species
Question 4 – ✅ (c) pump
Question 5 – ✅ (c) It makes surfaces smoother
Question 6 – ✅ (c) uterus
Question 7 – ✅ (c) wear and tear of machine parts
Question 8 – ✅ (c) Arteries
Question 9 – ✅ (b) pump
Question 10 – ✅ (b) friction
Question 11 – ✅ (c) uterus
Question 12 – ✅ (c) Reproduction
Question 13 – ✅ (c) Kidney
Question 14 – ✅ (c) applied force
Question 15 – ✅ (c) causing car tyres to wear out
Question 16 – ✅ (c) food
Question 17 – ✅ (d) Uterus
Question 18 – ✅ (c) capillaries
Question 19 – ✅ (c) accelerate
Question 20 – ✅ (b) sperm