PAPER CODE: 532/1
MOCK REF: PLE-811047
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 40
★ CANDIDATE QUESTION PAPER ★
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 40 questions (40 marks). Section B has 0 questions (0 marks).
- Answer all questions in both sections. All answers must be written in the spaces provided on this question paper.
- All answers must be written in blue or black ballpoint pen. Diagrams should be drawn in pencil.
- Unnecessary crossing of work and illegible handwriting may lead to loss of marks.
Section A: (Questions 1 to 40) — 40 Marks
1 Mark eachQuestion 1 to 40 carry one mark each. Answer all questions in the spaces provided.
1.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
2.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
3.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
4.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
5.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
6.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
7.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
8.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
9.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
10.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
11.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
12.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
13.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
14.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
15.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
16.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
17.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
18.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
19.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
20.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
21.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
22.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
23.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
24.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
25.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
26.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
27.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
28.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
29.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
30.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
31.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
32.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
33.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
34.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
35.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
36.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
37.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
38.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
39.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
40.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
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