PAPER CODE: 532/1
MOCK REF: PLE-491877
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.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
2.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
3.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
4.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
5.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
6.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
7.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
8.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
9.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
10.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
11.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
12.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
13.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
14.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
15.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
16.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
17.
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
18.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
19.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
20.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
21.
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
22.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
23.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
24.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
25.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
26.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
27.
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
28.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
29.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
30.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
31.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
32.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
33.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
34.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
35.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
36.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
37.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
38.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
39.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
40.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
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