B.E.C.E. Practice Test 1 - Int. Science (Paper 1)

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Each question is followed by four options. Find the correct option for each question and click on the radio button corresponding to the answer chosen (40 marks)

1. Science may simply be defined as *

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an organised body of knowledge that discovers information about humans and non-living things.

an organised body of knowledge based on beliefs that can be tested by further investigation.

an organised body of knowledge that talks about the natural world in which humans and other living things live in.

an organised body of knowledge based on observations that can be tested by further investigation.

2. A 'control' is an experimental set up

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that has one variable being tested

that has two variables being tested

that has three variables being tested

that does not have a variable being tested

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3. One example of an applied biological science is

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Engineering

Medicine

Astronomy

Physics

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4. Social science may best be defined as

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all the branches of study that deal with mammals in their social relations.

all the branches of study that deal with students in their social relations.

all the branches of study that deal with parents in their social relations.

all of the branches of study that deal with humans in their social relations.

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5. The scientific study of how the human mind works and how it influences behaviour is termed

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Anthropology

Psychology

Sociology

Economics

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6. Which of the following sub-disciplines is a branch of physical science?

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Zoology

Botany

Chemistry

Anatomy

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7. A generalization based on many observations and experiments is known as

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Hypothesis

Prediction

Theory

Replication

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8. A variable in an experiment refers to

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the thing that is changed in an experiment

the thing that remains constant in an experiment

the thing that is never changed in an experiment

the set-up of an experiment

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9. One example of a sub-discipline of an applied physical science is

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engineering

physics

astronomy

geology

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10. A feeling of certainty that something exists or is true is termed

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Taboo

tradition

belief

superstition

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11. The use of computers to commit economic crimes is best described as

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money laundering

money exchange

foreign exchange

computer stealing

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12. A detailed, step-by-step description of how an experiment is conducted is termed

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hypothesis

prediction

theory

procedure

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13. When a piece of candle is heated, it changes from

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liquid to gas

liquid to flame

solid to gas

solid to liquid

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14. Which of the following properties is true about all matter? Matter has

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density and fixed shape

mass and indefinite volume

volume and mass

volume and direction

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15. Which of the following particles of matter is the smallest?

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Molecule

Atom

Electron

Cation

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16. Gases are more compressible than solids because

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solids have harder surfaces

there are wider spaces between gas molecules

gases have fixed volumes

the molecules of gases are randomly arranged

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17. The physical change(s) that take(s) place when a piece of ice is heated continuously for a long time can be represented by

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solid ------> vapour

vapour -------> solid------->liquid

soild ------>liquid------->vapour

liquid ---------> vapour

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18. Which of the following is the evidence that the particles in gases move faster than those in liquids and solids? I - The scent of a perfume fills a room when its container is opened; II - Smoke spreads over a large area as burning takes place; III - The wind blows fast when it is about to rain

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I only

III only

II only

I and II only

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19. On heating a certain solid in a dry container, all the substance was lost without passing through the liquid state. This means the

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solid is an alloy

solid can easily melt

solid cannot stand heat

solid undergoes sublimation

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20. Which of the following substances can exist in all the three states of matter at 0 *C (zero degrees celsius)?

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Water

Alcohol

Petrol

Palm oil

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21. When matter changes state from gas to liquid there is

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a decrease in mass

a decrease in volume

an increase in pressure

a decrease in temperature

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22. The space occupied by matter is its

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Volume

Area

Length

Radius

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23. The process by which steam is changed into liquid is called

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evaporation

condensation

filtration

melting

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24. Which of the following properties is/are common to both liquids and gases?

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Fixed shape

Fixed shape and fixed volume

No definite shape

No definite shape and no definite volume

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25. One example of matter which takes the shape of its container is

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Chalk

Charcoal

Paper

Petrol

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26. Which of the following solids melts easily on exposure to sunlight?

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Shea butter

Rubber

Candle wax

Animal fat

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27. One example of a negatively charged particle of matter is

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alpha particle

beta particle

proton

neutron

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28. A bottle of water removed from a refrigerator soon becomes covered with droplets of water because the

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bottle is porous

bottle is full of water

water in the surrounding atmosphere is colder than the water in the bottle.

water in the surrounding atmosphere is warmer than the water in the bottle

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29. The type of soil which feels gritty when felt between the fingers is called

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sand

clay

loam

silt

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30. Clay soil structure can be described as

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loose

blocky

crumby

friable

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31. Which of these binds loose particles of soil together and separate soil particles which are too compact?

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Earthworm

Mulch

Humus

Fertilizer

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32. Which of the following horizons in a soil profile contains weathered rock materials?

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D - horizon

C - horizon

B - horizon

A - horizon

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33. Which of the following statements is false about clayey soils?

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Their particles have very small air spaces between them

They feel gritty when wet

They shrink when dry

They are generally described as being heavy soils

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34. Soil texture is a term that is used to describe

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soils with very little friction

arrangements of soil particles to form aggregates

soils with particles sizes less than 2mm in diameter

the relative proportions of sand, silt and clay

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35. Which of the following organelles is concerned with cell division?

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Cytoplasm

Mitochondrion

Vacuole

Nucleus

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36. The change in appearance of an organism as the organism reaches maturity is called

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Growth

Development

Reproduction

Irritability

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37. One example of an animal tissue is

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blood

meristem

phloem

xylem

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38. The cell organelle responsible for respiration in living organisms is the

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chloroplast

mitochondrion

plasma membrane

cell wall

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39. Which of the following types of leaves is sensitive to touch?

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Cassava leaves

Mimosa leaves

Orange leaves

Oil palm leaves

Clear selection

40. Which of the following structures can be classified as an organ?

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Leaf

Palisade layer

Muscle

Spermatozoon

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