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SMK ISKANDAR SHAH JASIN MELAKA

UJIAN PENGESANAN OGOS / AUGUST TEST

TINGKATAN SATU/ FORM ONE 2010

JANGAN BUKA KERTAS SOALAN IN! SEHINGGA DIBERITAHU

ARAHAN:

1. Kertas soalan ini mengandungi 40 soalan.

Jawab semua soalan.

Rajah yang mengiringi soalan dimaksudkan untuk memberi maklumat yang berguna bagi menjawab soalan. Rajah tidak semestinya dilukis mengikut skala.

Tiap-tiap soalan diikuti oleh empat pilihan jawapan yang berhuruf A, B, C dan D. Bagi tiap-tiap soalan pilih satu jawapan sahaja. Tandakan semua jawapan anda pada kertas jawapan OMR anda.

5 Fikirkan dengan teliti ketika memilih jawapan anda. Jika anda hendak menukar sesuatu jawapan, padamkan sehingga bersih jawapan yang tidak dikehendaki itu dan hitamkan pilihan anda yang baru.

Prepared by: Checked by:

.. ..(Pn. Siti Zaidah Ahmad) (SMKIS Science Head Panel)

Kertas soalan ini mengandungi 7 halaman bercetak termasuk muka hadapan

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1. Which of the resources on earth do green plants need to make their own food?

A Soil and air. B Soil and water.C Oxygen and water. D Carbon dioxide and water.

2. Which of the following is not one of the Earth's resources?

A Soil B AirC Water D Plastic

3. Which of the following is not an example of fossil fuel?

A Coal B PetroleumC Natural gas D Sulphur

4. Which of the following is a mineral?

A Air B SilverC Water D Kerosene

2. Figure 1 shows the natural resources on Earth.

Figure 1

Which resources are needed to sustain life?

A Air and water B Air and fossil fuels C Water, minerals and soilD Air, soil and living things

3. What are organic matter in the soil made up of?I humus

II animal droppingsIII microorganisms

A I only B I and II onlyC I and III only D I, II and III

4. Which of the following can form the coal and petroleum?

I animal remains.II melted rocks.III decayed plants.

A I and II only B I and III onlyC II and III only D I, II and III

5. What is the estimation of water content in a human body?

A 37% B 40%C 70% D 100%

6. Which of the following represents molecule of water?

A B

C D

7. Figure 2, shows a molecule.

P Q

R S

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Figure 2Which of the molecules shown above consists of one element?

A P B Q C R D S

8. Which of the following represents an element?

A B

C D

9. Figure 3 shows a classification chart of elements

Figure 3

What are X and Y?

X YA Aluminium CopperB Phosphorus BromineC Calcium CobaltD Chlorine Zinc

10. Which of the diagrams above represent a mixture?

A B

C D

11. Which of the following properties of non-metals is incorrectly matched to its description?

Property DescriptionA dull The surface glittersB brittle Breaks easilyC poor heat

conductorCannot transfer heat

D poor electrical conductor

Electricity cannot flow through it

12. Why is aluminium used to make pots and pans?

A have shiny surfaces.B are easily malleable.C are good conductors of heat.D are good conductors of electricity.

13. The following is a list of non-metallic element.

Which of the substances can exist exactly same as the above substances?

A phosphorus B sulphurC carbon D nitrogen

14. Which of the following is true about a sugar solution?

A It is prepared chemically.B Its elements are in a fixed ratio.C Heat is released during its preparation.D Its elements maintain their original

characteristics.

Diamond Graphite Coal

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15. Why is mercury suitable to be used in thermometer?

A has a dull surface. B has high melting point.C is a good conductor of heat.D is a good electrical conductor

16. The following are steps in an experiment to separate salt from a mixture of sand and salt.

Which of the following shows the correct sequence?

A P S R QB Q R P SC Q R S PD R Q P S

17. Figure 4 shows a process to separate the components in mixture X.

Figure 4

Which of the following is likely to be mixture X?

A Water and saltB Petrol and waterC Water and alcoholD Coffee drink and carbon powder

18. Figure 5 shows an experiment where sulphur powder is heated together with iron filings.

Figure 5

The result is that substance X is formed. Identify substance X.

A Iron sulphur metal.B Iron sulphide atom.C Iron sulphur mixture.D Iron sulphide compound.

19. Figure 6 shows some salt solution being heated slowly.

Figure 6

What will be observed on the watch glass?

A Salt droplets B Water dropletsC Carbon droplets D Salt solution droplets

20. The following is a list of resources.

Why are the resources important to all living?

A support life on EarthB are required by plantsC cannot be renewableD can be manufactured

Air Water Plants

P - Add water to the mixtureQ - Evaporate the salt solutionR - Filter the mixture to remove sandS - Stir the mixture gently

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21. Figure 7 shows three resources needed for process X.

Figure 7

What is process X?

A Combustion B RespirationB Photosynthesis D Crystallisation

22. What are the importance of water to plants?

I to support the plantII to make foodIII to transport food

A I only B I and II onlyC II and III only D I, II and III

23. Which of the following will not help to conserve and preserve the Earths resources?

A Reduce open burning.B Reduce felling of trees.C Reduce using leaded petrol.D Reduce using biodegradable products.

24. Which steps should be taken to conserve and preserve the earths resources?

I reuse certain old materialsII reduce the use of plasticsIII recycle old newspaper

A III onlyB I and IIIC II and IIID I, II and III

25. Which of the following activities increasesthe amount of solid waste in the environment?

I Global usage of plastic bags and containers

II Recycling papers and glass bottlesIII Using biodegradable household

products

A I and II onlyB I and III onlyC II and III onlyD I, II and III

26. Air consists of several types of gases. Which of the following is not present in air?

A OxygenB NitrogenC HydrogenD Carbon dioxide

27. Which of the following consist of inert gases only?A Helium, hydrogen, neon and nitrogenB Xenon, argon, krypton and radonC Oxygen, xenon, neon and argonD Neon, krypton, helium and nitrogen

28. Figure 8 shows a lighted candle in an inverted gas jar. The candle extinguished after 10 seconds.

Figure 8

What is the percentage of oxygen in air that is used for the combustion?

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A

B

C

D

29. In Figure 9, when the torchlight is turned on in a dark room, tiny specks are seen in the ray of light from the torchlight.

Figure 9

What is conclusion for the air content?

I has dust particles.II has microorganisms.III has rare gases.

A I onlyB I, II, IIIC I and II onlyD II and III only

30. The apparatus in Figure 10 is set up in an experiment. The sterile Petri dish is filled with sterile nutrient agar. The agar is then exposed to the air for an hour. The Petri dish is then covered and sealed with cellophane tape.

Figure 10

What is the aim of the experiment?A To show that air contains inert gasesB To show that air contains dust particlesC To show that air contains water vapour

D To show that air contains microorganisms

31. Air is a mixture. Which of the followings are the best explanations?

I the percentage of the components of air is not fixed

II Each component in air shows its original property when separated

III The components of air are easily separated by physical means

A I only B I and IIIC II and III D I, II and III

32. Figure 10 shows a gas being tested.

Figure 10

What is the most probably gas?A Nitrogen B OxygenC Carbon dioxide D Sulphur dioxide

Questions 36 to 37 are based on Figure 12.

33. Figure 11 shows an experiment set-up.

Figure 11

Which of the following are correct?

Gas X Condition of lime waterA Oxygen Clear lime water turns

cloudyB Carbon Cloudy lime water turns

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dioxide clearC Carbon

dioxideClear lime water turns cloudy

D Oxygen Cloudy lime water turns clear

34. What can be used to replace the limewater?I moist blue litmus paperII Cobalt chloride paperIII Hydrogen bicarbonate indicator

A I onlyB I and III onlyC II and III only D I, II and III

35. Figure 12 shows an experiment to test the solubility of oxygen and carbon dioxide in the sodium hydroxide solution.

Figure 12

What are the changes in the levels of solutions in the two test tubes?

X YA Increased IncreasedB Increased UnchangedC Unchanged UnchangedD Unchanged Increased

36. Figure 13 shows the particles of a gas, which is a component of the air.

Figure 13

What is the probably gas?

A carbon dioxide. B nitrogen. C oxygen.D argon.

37. Which of the following that oxygen can dissolve in?

I sodium hydroxide solutionII alkaline pyrogallol solutionIII water

A I only B I and II onlyC II and III onlyD I, II and III

END OF QUESTION PAPER

Kertas soalan ini mengandungi 7 halaman bercetak termasuk muka hadapanSains/Science 55/1SMK ISKANDAR SHAH JASIN MELAKAUJIAN PENGESANAN OGOS / AUGUST TESTTINGKATAN SATU/ FORM ONE 2010ARAHAN: Jawab semua soalan.Rajah yang mengiringi soalan dimaksudkan untuk memberi maklumat yang berguna bagi menjawab soalan. Rajah tidak semestinya dilukis mengikut skala.Tiap-tiap soalan diikuti oleh empat pilihan jawapan yang berhuruf A, B, C dan D. Bagi tiap-tiap soalan pilih satu jawapan sahaja. Tandakan semua jawapan anda pada kertas jawapan OMR anda.