1504 © Mauritius Examinations Syndicate

Index Number ………………………………………………………………………………………..…………………………………………………………………………………………………………………

MAURITIUS EXAMINATIONS SYNDICATE

The Certificate of Primary Education Examination October 2015

SCIENCE

(Subject Code No. 141)

Time: 1 hour

Instructions to Candidates 1. Check that this question paper

contains 4 questions printed on 10 pages numbered 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11.

2. Write your Index Number on the

question paper in the space provided above.

3. You should not use red ink in

answering questions. 4. Write all your answers clearly on

the question paper. 5. Attempt all questions.

Section/ Question

MARKING REVISION CONTROL

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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: Which one of the following is an insect? A Pigeon

B Bat

C Butterfly

D Sparrow

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1. Which one of the following is an extinct bird from Rodrigues?

A Dodo

B Solitaire

C Sparrow

D Kestrel

2. Which one of the following food items would a herbivorous animal eat?

A Meat

B Eggs

C Leaves

D Fish

3. Diagram 1 shows the water cycle.

Through which one of the following processes does water vapour turn into rain?

A Evaporation

B Melting

C Condensation

D Freezing

Diagram 1 : Water Cycle

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A B

4. Which of the following conditions is necessary for coral polyps to grow? A Deep and cold seawater

B Shallow and warm seawater

C Shallow, warm and fresh water

D Deep, cold and fresh water

5. Diagram 2 shows an electric circuit with two metal clips, A and B. Which one of the following materials, when placed between metal clips A and B, will

allow the flow of electricity in the circuit?

6. Which one of the following is the source of energy in an electric circuit?

A Dry cell

B Electric wire

C Bulb

D Switch

Diagram 2 : Electric Circuit

D Rubber band A Plastic peg B Wooden spoon C Iron nail

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7. In which one of the following is chemical energy converted into electrical energy?

A Movement of wind in a wind turbine

B Falling water in a hydroelectric power station

C Capturing of light by solar panels

D Burning of bagasse in a sugar factory

8. Which one of the following will form a clear solution when mixed with water?

A Salt

B Sand

C Soil

D Flour

9. Animals have different habitats. What is a habitat?

A The way animals move from one place to another

B The way animals feed their young

C The food which animals eat

D The place where animals live

10. Which one of the following food items will cause obesity if eaten in excess?

A Beans

B Cabbage

C Apples

D Rice

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Question 2A (20 marks)

1. Fill in the blanks in sentences (a) to (d), using the correct word from the given list.

feathers endemic fur gills exotic

(a) Birds which are unique to Mauritius are called .......................................................................... birds.

(b) The .......................................................................... of fish help them to breathe in water.

(c) The .......................................................................... of the dog protects it against cold weather.

(d) Cats are examples of ......................................................................... animals which have been introduced

on our island.

2. (a) Give one importance of hens to humans.

...................................................................................................................................................................................................................................................

(b) Give one way how rare birds are protected in Mauritius.

...................................................................................................................................................................................................................................................

...................................................................................................................................................................................................................................................

3. Match the materials in Column A to their corresponding properties in Column B.

Column A: Material Column B: Property

Iron Absorbs water and sweat

Rubber Rusts when exposed to air and water

Glass Absorbs shock and is elastic

Cotton Is transparent

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Question 2B (20 marks)

1. Complete the table below.

2. Diagram 3 shows a boy burning leaf litter from his garden.

(a) Which gas is needed for this fire to burn?

............................................................……..……...................................................................................................................................................

   

Material Material obtained from Use

Leather

…………………………….

…………………………………………

………………..

Sheep

…………………………………………

………………..

…………………………….

To make aeroplanes

Diagram 3

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(b)           The fire is giving out smoke. Explain how this form of air pollution affects plants.

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(c) Give one way how the boy can extinguish this fire.

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(d)  Instead of burning the garbage, what beneficial use could the boy make of it?

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SECTION B

Question 3 (20 marks) 1. (a) A green potted plant which is regularly watered is placed in a dark room.

(i) Give one factor which is absent from the room, thus preventing the plant from making its own food.

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(ii) Which gas is given out by this plant when it is in the dark?

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(b) Give one condition which is necessary for a seed to transform into a new plant.

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(c) Give one reason why plants are important to animals.

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(d) Explain how plants help to prevent soil erosion.

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2. (a) Carnivores need to have strong canines. Explain why.

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...........................................................……..…….......................................................................................................................................................................... (b) Give one reason why human babies who are aged less than 8 months do not

need to have molars.

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...........................................................……..…….......................................................................................................................................................................... (c) Give one precaution you must take to protect your teeth from decay.

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............................................................……..……........................................................................................................................................................................ 3. (a) Write down three food items which will make a balanced meal.

(i) ...........................................................……..…….......................

(ii) ...........................................................……..…….......................

(iii) ...........................................................……..…….......................

(b) Give one reason why we must store food at a low temperature in a refrigerator.

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soil soil

Question 4 (20 marks)

1. Study Diagram 4 which shows an experiment with two potted plants. Plant A is

watered regularly using fresh water. Plant B is watered regularly using water from a

river containing detergents. Both plants are placed outside in the garden.

(a) What is this experiment testing?

............................................................……..……........................................................................................................................................................................

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(b) What will happen to Plant A and Plant B after a few weeks under the same

conditions as at the beginning of the experiment?

Plant A : ............................................................……..……........................................................................................................................................

Plant B : ............................................................……..……........................................................................................................................................

(c) Give one way how polluted water can be purified.

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2. The authorities in Rodrigues have prevented the use of plastic bags on the island.

(a) Give one way how plastic bags harmed the environment in Rodrigues.

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water from the river containing detergents

fresh water

Plant A Plant B Diagram 4

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(b) Plastic is manufactured from oil obtained from fossil fuels. The use of fossil fuels is partly responsible for Global Warming on Earth.

Explain how the use of fossil fuels contributes to Global Warming.

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…........................................................……..……….....................................................................................................................................................................

(c) Give one way how the consequences of Global Warming affect people’s lives.

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…........................................................……..……….......................................................................................................................................................................

3. Diagram 5 shows a solar farm.

(a) Explain why it is better to use light from the sun rather than fossil fuels to produce energy.

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(b) Explain what is the difference between a renewable and a non-renewable source of energy. ….........................................................……..………...................................................................................................................................................................

…........................................................……..……….....................................................................................................................................................................

(c) Although charcoal is a renewable source of energy, it is not commonly used.

Explain why.

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Diagram 5 : Solar farm

solar panels

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