PAPER CODE: 532/1
MOCK REF: PLE-223547
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.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
2.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
3.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
4.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
5.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
6.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
7.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
8.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
9.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
10.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
11.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
12.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
13.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
14.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
15.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
16.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
17.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
18.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
19.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
20.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
21.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
22.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
23.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
24.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
25.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
26.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
27.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
28.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
29.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
30.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
31.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
32.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
33.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
34.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
35.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
36.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
37.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
38.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
39.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
40.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
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