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CPE 2006 SCIENCE
6004
2
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SECTION A Question 1 (20 marks) For each item, there is ONE correct answer. Draw a circle around the letter which shows the correct answer. Example: A bird which has become extinct in Mauritius is the A cardinal.
B pink pigeon.
C dodo.
D Mauritius parakeet.
____________________________________________________________ 1. To make concrete we need cement, water and A salt.
B sand.
C sugar.
D soil.
2. Which of these materials is produced by an animal? A cotton.
B rubber.
C silk.
D nylon. Diagram 1 3. Diagram 1 shows a plant.
stem
One function of the stem is to A absorb water from the soil.
B hold the plant in the soil.
C carry food to other parts of the plant. D produce fruits and seeds.
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Diagram 2
4. Diagram 2 shows the life cycle of a butterfly.
butterfly
pupa
egg
caterpillar
Which one feeds on leaves?
A Egg
B Caterpillar
C Pupa
D Butterfly
5. One source of energy which causes pollution is
A falling water.
B the wind.
C the sun.
D firewood.
6. One way to protect people against infectious diseases is by
A contamination.
B condensation.
C purification.
D vaccination.
7. Study Diagram 3. Diagram 3
When air is sucked out from X, air pressure
air pressure
juice
drinking A makes the juice evaporate.
B causes the juice to freeze.
C pushes the juice up the straw.
D makes the juice condense.
X
n over this page
straw
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8. Which of these is burnt to produce electricity?
A Bagasse
B Fertiliser
C Molasses
D Scum
9. Study Diagram 4. Diagram 4
The baby is holding an object made of glass.
This is dangerous because glass
A is flexible.
B is waterproof.
C breaks easily.
D melts easily.
10. Water becomes safe for drinking after chlorination.
Chlorine is added to drinking water to
A kill germs.
B remove mud.
C remove pesticides.
D kill insects.
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Question 2A (20 marks) 1. Complete the sentences with the correct word or words:
gills fins eyes oxygen scales carbon dioxide
(a) Fish give out .................................................................. and take in .................................................................. .
(b) Fish have .................................................................. to swim and .................................................................. to breathe.
(c) Fish have .................................................................. all over their body. 2. (a) Why is fish a good food for children to eat? Give one reason.
..........………………………………………………………………………………………………………………………………………………………………..…............... (b) Give one way of preserving fish.
..........……………………...………………………………………………………………………………………………………………………………………..…............... 3. Diagram 5(a) shows a glass of water with ice cubes.
ic
Diagram 5( Diagram 5(b)
(a)
Dia
(b)
water
e
Which two states
(i) The ...…......................
gram 5(b) shows the s
Explain what has h
........................………………………
a)
Please turn over this page 5
after 30 minutes
of water are shown in diagram 5(a)?
..................................... state (ii) The ........…..................................................... state.
ame glass of water after 30 minutes.
appened to the ice. ………………….………………………………………….……………………………
……………………………………………………………………………………………………………………………..…...............
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Question 2B (20 marks) Diagram 6 shows an incomplete electric circuit.
electrical wire
switch
bulb
battery
Y
X
Diagram 7 Diagram 6
1. Complete the sentences with the correct word from diagram 6.
(a) The source of electrical energy is the ........................................................................................................ . (b) Light energy is produced by the ........................................................................................................ .
2. The bulb lights when a ………………………… is placed across X and Y. copper wire
(a) Give two other materials that will cause the bulb to light when placed
across X and Y.
(i) ................................................................................................... (ii) .................................................................................................... . (b) Give two materials that will not cause the bulb to light when placed
across X and Y.
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(i) ................................................................................................... (ii) .................................................................................................... . 3. Diagram 7 shows an electrical wire.
Diagram 7
Why is the metal wire covered with plastic?
......................………………………………………………………………………………………………………………..............................................................…………............... ......................……………………………………………………………………………………………………………............................................................……………....…......... 4. Diagrams 8 (a) and 8 (b) show two sets of teeth in the lower jaw.
Diagram 8 (a)
(a) Study diagram 8(a).
It shows a set of teeth called .....
(b) Study diagram 8(b).
How many teeth should an adult
(c) Tooth decay can result in .............
plastic
metal wire
Please turn over this page 7
Diagram 8 (b)
........................................…............. teeth.
person have in both jaws? ..........................................…...........… .
........................…..………………………..………………………………………………..…............. .
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SECTION B Question 3 (20 marks) 1. Study diagram 9 and answer the questions which follow.
Diagram 9
glass rod clear mixture water
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salt
C A
In A, water is added to salt in a glas
(a) In B, the water and salt are sti
Name the solvent in B. .........………
(b) In C, the liquid is a clear mixtu
Explain what has happened to th
....……………………...............................…....…............….......
(c) Explain how you could get the sa
....……………………...............................…....…............….......
....……………………...............................…....…............….......
B
8
s jar.
rred with a glass rod.
……………..........………….…………………………………..…....………………….............…...........
re. You can no longer see the salt.
e salt.
....………………………………………………………..........…...............................…............……......
lt back again.
....………………………………………………………..........…...............................….......……...........
....………………………………………………………..........…...............................…..……................
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(d) The solid in A is salt.
(i) Name one other solid that will form a clear mixture with water.
.........................…………………………………………..……………………………………….............................…....….............. .
(ii) Name one solid that will not form a clear mixture with water. .........................…………………………………………..……………………………………….............................…....….............. .
2. Study diagram 10 which shows different stages of how plants reproduce.
..........….....................contain
box 2 box 1
germinate to give NEW
PLANTSproduce
produce
..........…..................... FRUITS
PLANTS Diagram 10
(a) The missing word in box 1 is .......................................................…....….............. .
(b) The missing word in box 2 is .......................................................…....….............. .
(c) Pollination is necessary for plants to produce fruits.
(i) What is pollination? ..........................................................…............………..……...........………………………………………………………..........…...............................….........
..........................................................…..........…….....….....……………………..……..…………………………..........…...............................….................... (ii) Name one animal that helps in pollination.
..........................................................….........…….…...........………………………………………………………..........…...............................…....................
(d) Give one reason why some endemic plants have become rare in Mauritius and Rodrigues.
..........................…………..............................…............………..……...........………………………………………………………..........…...............................….........
.......................................................…………….…............….....….....……………………..……..…………………………..........…...............................…....................
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Question 4 (20 marks)
1. Diagram 11 shows filtration of water (a) Write Yes or No to complete t Table 1
Water at A
Waat
contains mud Yes
contains soap Yes
(b) Give one way in which pollute
(i) to people : .....................…............……
........……………….….………..............................…
(ii) to the environment : ….....……
........……………….….………..............................…
(c) Factories sometimes pollute th
Give two ways in which factor
(i) ..........................................................…............……
........……………….….………..............................…
(ii) ..........................................................…............……
........……………….….………..............................…
10
Diagram 11 .
Aable 1.
water with mud and soap ter
B
B
d water is harmful
…..……...........……………………………………………………
…….............................………........................….....................
…..……...........……………………………………………………
….…….............................………............................................
e environment.
ies can reduce the pollution the
…..……...........……………………………………………………
…….........…...............………....…..........................................
…..……...........……………………………………………………
…….............................……….................................................
sand
small pebbles
big pebbles
…..........…...............................….........
..............................................................
…..........…...............................….........
.............................................................
y cause.
…..........…...............................….........
..............................................................
…..........…...............................….........
...….......................................................
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2. Diagram 12 shows three living things.
4 11
cow plant
(a) The cow, the plant and the bird feed themselves and
Give one other similarity between the cow, the plant
..........…........................................................................……………………..........………..........................
(b) The bird lays eggs but the cow gives birth to its you
Give one other difference between the bird and the c
..........……....…..............................……………………………………………………….……………..………
..........……...............…...........……………………………………………...………….…………………………
(c) Plants make their food by photosynthesis. Explain h
......………………....................………..………................……………………..........……….........................
.……………….........................………..………................……………………..........……….........................
.……………….........................………..………................……………………...........………........................
.……………….........................……..………......………...………………………….....……….......................
Diagram 12
Please turn over this page
bird
reproduce.
and the bird.
.........…..........................................................................
ng.
ow.
…………………………………………................…….....
……...……………………………...…...…..............….....
ow they do this.
...................................…...............................................
..............…....................................................................
......................................................................................
......................................................................................
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