Examination on Agricultural Science
Class: Primary 3
Term: Third Term
Time: 1 Hour
Total Marks: 70

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

1. ________ is a meal that contains all the necessary food classes in the right proportion. (a) Balanced diet (b) Unbalanced diet (c) Fast food
2. Kwashiorkor is an effect of an ________ diet. (a) balanced (b) unbalanced (c) healthy
3. An example of a processed food is ________. (a) fresh yam (b) garri (c) garden egg
4. Which of the following is a food class? (a) Water (b) Sugar (c) Salt
5. All of these are benefits of a balanced diet except ________. (a) energy for work (b) stunted growth (c) prevention of illness
6. Which of these is NOT a method of food preservation? (a) Refrigeration (b) Eating (c) Salting
7. The main reason for food preservation is to ________. (a) make food expensive (b) keep food fresh (c) throw food away
8. The correct step in making pap from maize is a form of food ________. (a) preservation (b) processing (c) cooking
9. Which of these is not a component of a balanced diet? (a) Vitamins (b) Stones (c) Proteins
10. Foods like rice and yam provide our body with ________. (a) proteins (b) carbohydrates (c) vitamins
11. The process of changing raw food materials into new forms is called food ________. (a) preservation (b) processing (c) cooking
12. Eating an unbalanced diet can lead to ________. (a) good growth (b) stunted growth (c) strong bones
13. Keeping food fresh for a long time is known as food ________. (a) processing (b) cooking (c) preservation
14. Smoking fish is a method of food ________. (a) processing (b) preservation (c) wastage
15. Which of these diseases is caused by an unbalanced diet? (a) Malaria (b) Goitre (c) Typhoid
16. Fats and oils provide our body with ________. (a) energy (b) good eyesight (c) strong bones
17. The importance of food processing includes ________. (a) making food rot fast (b) preventing wastage (c) making food smell bad
18. Which of the following examples shows an unbalanced meal? (a) Rice, beans and vegetable (b) Yam and palm oil (c) Garri and groundnut
19. Sun drying is a common method of preserving ________. (a) water (b) fruits and vegetables (c) cooked rice
20. A diet that lacks one or more essential food classes is called an ________ diet. (a) healthy (b) balanced (c) unbalanced

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

1. (a) What is a balanced diet? (2 marks)
(b) List three food classes that make up a balanced diet. (3 marks)
(c) Explain two importance of eating a balanced diet. (3 marks)
(d) Give an example of a balanced meal. (2 marks)

2. (a) Define an unbalanced diet. (2 marks)
(b) Mention two effects of eating an unbalanced diet. (3 marks)
(c) Name three food classes that could be missing in an unbalanced meal. (3 marks)
(d) What is the meaning of stunted growth? (2 marks)

3. (a) What is food processing? (2 marks)
(b) Give two examples of processed foods. (3 marks)
(c) State three reasons why food processing is important. (3 marks)
(d) How does processing help in preparing food for storage? (2 marks)

4. (a) Explain what food preservation means. (2 marks)
(b) List three methods of food preservation. (3 marks)
(c) Why is it important to preserve food? Give two reasons. (3 marks)
(d) Name one food that can be preserved by sun drying. (2 marks)

Objective Marking Scheme

Question 1 – ✅ (a) Balanced diet
Question 2 – ✅ (b) unbalanced
Question 3 – ✅ (b) garri
Question 4 – ✅ (a) Water
Question 5 – ✅ (b) stunted growth
Question 6 – ✅ (b) Eating
Question 7 – ✅ (b) keep food fresh
Question 8 – ✅ (b) processing
Question 9 – ✅ (b) Stones
Question 10 – ✅ (b) carbohydrates
Question 11 – ✅ (b) processing
Question 12 – ✅ (b) stunted growth
Question 13 – ✅ (c) preservation
Question 14 – ✅ (b) preservation
Question 15 – ✅ (b) Goitre
Question 16 – ✅ (a) energy
Question 17 – ✅ (b) preventing wastage
Question 18 – ✅ (b) Yam and palm oil
Question 19 – ✅ (b) fruits and vegetables
Question 20 – ✅ (c) unbalanced