SULIT 55/1

55/1SainsKertas 1September20071 jam

SEKOLAH MENENGAH RIAM ROAD

UJIAN PERCUBAAN

PENILAIAN MENENGAH RENDAH 2007

SAINSKertas 1Satu jam

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. This question paper consists of 40 questions.2. Answer all questions.3. Answer each question by blackening the correct space on the answer sheet.4. Blacken only one space for each question.5. If you wish to change your answer, erase the blackened mark that you have made.

Then blackened the space for your new answer.6. The diagrams in the questions provided are not drawn to scale unless stated.7. You may use a non-programmable scientific calculator.

Kertas soalan ini mengandungi 12 halaman bercetak

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1) X, Y and Z are symbols of hazardous for chemicals. There are three bottles, which contain ethanol, concentrated sulphuric acid and mercury. Which of these bottles are labeled correctly?

ABCD

2) J, K and L in the above information shows the stages in the organization of cells in an organism. Which of the following are examples of stages J, K and L?

J K LA Heart Muscle SpermB Sperm Heart MuscleC Muscle Sperm HeartD Muscle Heart Sperm

Figure 13) Figure 1 shows the classification of plants. Which of the following plants are examples of plants in group M and N?

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Ethanol Concentrated sulphuric acid MercuryX Z YY Z XY X ZZ Y X

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ABCD

Figure 24) Figure 2 shows the change in states of water from state Q to R. R is in a different state matter from Q. Which of the following shows the correct arrangement of particles in states Q and R?

Q State R StateA

B

C

D

Table 15) Table 1 shows the densities of five types of substances are put in a cylinder and are left

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M NSpirogyra Balsam

Grass MaizeMushroom Paddy

Grass Groundnut

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for a few minutes. Which of the following shows the correct positions of the substances P, Q, R, S and T?A C

B D

6) The agricultural residue like palm oil husk and coconut shell can be used as a source of energy. Which of the following statements about this energy source is not true?A It is known as biomass C It is a type of fossil fuelB It can produce biogas D It is a renewable energy source

Figure 37) Figure 3 shows the classification of matter. Which of the following are possible substances for K, L and M?

ABCD

8) A pencil looks red when white light is shone on it. Which of the following causes the pencil to look red?A The pencil reflects red light C The pencil scatters red lightB The pencil absorbs white light D The pencil refracts white light

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K L MNon-metal Mercury BromineNon-metal Bromine Mercury

Alloy Mercury BromineAlloy Bromine Mercury

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9) Figure 4 shows an experiment to determine the percentage of oxygen used in the burning of candle. What is the percentage of oxygen used in the burning?

A 20.0 C 50.0B 33.3 D 66.6

10) P and Q in Figure 5 show two types of eye defect.

Figure 5 Which type of lens can be used to correct the defects in P and Q?

ABCD

11) Figure 6 shows a thermos flask, which is used to keep hot water. Which of the following labeled parts A, B, C and D reduces the heat loss by radiation?A C

B D

12) Which of the following pairs is true? Part of ear FunctionA Ear Vibrates when receiving soundB Auditory nerve Sends nerve impulses from the brain to the cohleaC Eustachian tube Controls balancing of the bodyD Cochlea Transform vibration to nerve impulses

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P QConvex lens Concave lensConvex lens Convex lensConcave lens Convex lensConcave lens Concave lens

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13) X, Y and Z in Figure 7 shows the steps in testing for the presence of starch in leaves. Which of the following shows the purpose of steps X, Y and Z?

A

B

C

D

14) Figure 8 shows the different areas of taste of a tongue. Which of the areas are sensitive to salt, sugar and vinegar?

Salt Sugar VinegarA P S QB P R S C Q R PD Q S R

15) Table 2 shows the pH values of substances X, Y and Z. Which of the following represent substances X, Y and Z?

ABCD

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Step X Step Y Step ZTo remove chlorophyll To kill the cells Testing the presence of

starchTo kill the cells To remove chlorophyll Testing the presence of

starchTesting the presence of

starchTo kill the cells To remove chlorophyll

To kill the cells Testing the presence of starch

To remove chlorophyll

Material pH valueX 5Y 7Z 8

X Y ZVinegar Toothpaste WaterVinegar Water Toothpaste

Toothpaste Vinegar WaterWater Vinegar Toothpaste

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16) Figure 9 shows the stages in a water purification plant. Substances P, Q, R and S are put into tanks Y and Z. Which of the following represents P, Q, R and S?

Figure 9P Q R S

A Alum Fluorine Chlorine Slaked limeB Slaked lime Chlorine Fluorine AlumC Alum Slaked lime Fluorine ChlorineD Chlorine Alum Slaked lime Fluorine

17)

Figure 10 Figure 10 shows the electrolysis of water. Gas X is A oxygen C carbon dioxideB hydrogen D sulphur dioxide

18)

Figure 11 The pie chart in Figure 11 shows the comparison of ratios between the classes of food in a food sample. The food sample is most probablyA chicken C fishB fresh milk D bread

19) The diagram shows the digestive system.

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What class of food is digested in the organ labeled L?A Protein B Fats C Carbohydrates D Fibre

20) Figure 12 shows the interaction between the living organisms.

Figure 12 Which of the following pairs represent the interaction X?A Mosquito and lizard C Green algae and fungiB Grass and lalang D Tapeworm and the human intestine

21) The diagram shows a model of the human respiratory system.

Which of the following pairs is incorrect?

ABC D

22) The diagram shows a cross section of plant stem.

Afid is a kind of parasite that sucks plant sap. Which of the following part is sucked by the afid?A K B L C M D N

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Part of the model Respiratory systemBalloon Lungs

Rubber sheet DiaphragmGlass tubes Trachea

Bell jar Thoracic cavity

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23) An antiseptic solution can be prepared by dissolving iodine inA acetone C methylated spiritB ether D alcohol

24) Mohd. Ali weighing 50 N drags a sack through a distance of 3.0m.

How much work is done by the student?A 15J B 30J C 50J D 150J

25) The bulb, ammeters and dry cells in the following circuits are identical. Which circuit shows the highest reading?A C

B D

26) The diagram shows a spraying pump.

What will happen when the piston is pushed forward?A Air pressure at X is lower and air pressure in the container increases.B Air pressure at X is higher and air pressure in the container decreases.C Air pressure at X decreases and air pressure in the container remains the same.D There is no change in the air pressure at X and air.

27) The table below shows the observation of an experiment carried out on a particular gas.

Experiment Observation1. Test for colour, smell and taste No colour, smell and no taste2. Invert a test tube of the gas into a beaker of alkaline pyrogallol solution.

The solution rise up the test tube

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3. Insert into the test tube a piece of moist litmus paper.

There is no change in colour

The gas tested is most probablyA carbon dioxide B oxygen C nitrogen D hydrogen

28) Table below shows the result of food tests carried out on a food sample.

Food Test Result1. A little oil is spread on a piece of filter paper. The oil stain stays permanent.2. Million reagent is added on the food sample and heated.

Brick red precipitate is formed.

3. A few drops of iodine is added to the food sample.

It turns blue black.

Which of the following food contain the same class of foods as in the tested food sample?A Egg, bread and butterB Lemon, fish and coca-colaC Milk, oats and sugarD Meat, egg and tomato

29) The diagram shows the features of a type of flower.

What is the agent of pollination for the flower?A wind B water C insect D animal

30) The diagram shows a compass is put on the cardboard.

Which is the correct direction of the compass needle?A B C D

31) The diagram shows the cross section of a seed.

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Which of the parts, P, Q, R or S will develop into the shoots of a plant?A P B Q C R D S

32) Ahmad uses a fan rated 240 V, 800 W for two hours daily. If the cost of electrical energy is RM10.00, how many days the fan is being used? [The cost of electrical energy is 25 cent per unit].A 10 B 25 C 28 D 30

33) The diagram shows an electric circuit.

What is the reading of the ammeter in the circuit?A 0.4 A B 2.5 A C 3.6 A D 6.2 A

34) The diagram shows the female reproductive system.

What is the process that occurs in the part labeled X?A Ovulation C ImplantationB Fertilization D Reproduction

35) The diagram shows the formation of a shadow.

Which if the following shadows is formed on the screen?A C

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B D

36) The diagram shows the female reproductive organ of a flower.

Which of the following processes occurs in X?A Pollination C FertilizationB Germination D Sporulation

37) Figure 13 shows the reaction of substance P with hydrochloric acid.

Figure 13 What is substance P?A Calcium C Calcium sulphideB Calcium carbonate D Calcium sulphate

38) The following are safety device in the warning system at home.I Fuse II Earth wire III Circuit breaker IV Main switchA I, III and IV only C I, II and III onlyB II, III and IV only D I, II, III and IV only

39) What are the types of fuels commonly used by space rockets?I Oxygen II Hydrogen III HeliumA I and II only C II and III onlyB I and III only D I, II and III

40) The information below are features of a natural satellite in the solar system. Has no atmosphere The force of gravity is weak Consists of many craters No organism live in it

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This object isA planet Pluto C the MoonB planet Mars D the star

KERTAS SOALAN TAMAT

55/2SainsKertas 2September20071 ½ jam

SEKOLAH MENENGAH RIAM ROAD

UJIAN PERCUBAAN

PENILAIAN MENENGAH RENDAH 2007

SAINSKertas 2

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. This question is in English Language.2. This question paper consists of two sections: Section A and Section

B.3. Write your answer in the spaces provided in the question paper.4. If you wish to cancel any answer, neatly cross out the answer.5. The diagrams in the questions provided are not drawn to scale unless

stated.6. Marks allocated for each question or part question are shown in the

brakets.7. The time suggested to answer Section A is 60 minutes and Section B

is 30 minutes.

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8. You may use a non-programmable scientific calculator.9. Hand in this question paper at the end of the examination.

Kertas soalan ini mengandungi 9 halaman bercetak

Section A[40 marks]

Answer all questions.[The time suggested to complete this section is 60 minutes]

1) Figure 1 shows the human circulatory system.

Figure 1(a) Name two types of circulation found in the human body.(i) _____________________________________________________________________(ii) _____________________________________________________________________

(2 marks)(b) What are the parts labeled P, Q, R and S?(i) P: _________________________________________________________________(ii) Q: _________________________________________________________________(iii) R: _________________________________________________________________(iv) S: __________________________________________________________________

(2 marks)(c) Give two characteristics of the blood flowing in blood vessel R.(i) ____________________________________________________________________(ii) ____________________________________________________________________

(2 marks)(d) What is the structure that divides the heart into the right side and the left side?

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_____________________________________________________________________

(1 marks)

2) Figure 2 shows the male reproductive system.

Figure 2(a) Name the parts labeled P, Q, R and S.(i) P: _________________________________________________________________(ii) Q: __________________________________________________________________(iii) R: __________________________________________________________________(iv) S: __________________________________________________________________

(2 marks)(b) What is the function of Q?________________________________________________________________________

(1 marks)(c) Why is R located outside the body?________________________________________________________________________

(1 marks)(d) Which part of the male reproductive system is cut and tied during vasectomy?________________________________________________________________________

(1 marks)(e) Give two reasons for sterility in men.(i) ____________________________________________________________________(ii) _____________________________________________________________________

(2 marks)

3) Figure 3 shows the fractional distillation of petroleum.(a) Label the name of petroleum fraction in the boxes provided.

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Figure 3 (4 marks)(b) The table below shows the characteristics of the fractions of petroleum. What conclusion can be drawn from the results given? Temperature range ºC 50-100 100-150 150-200 200-250Colour Colourless Yellow Dark Yellow BrownishViscosity Not viscous Less viscous Viscous Very viscousSoot produced A little A little A lot A lot

The higher the boiling point of the fraction,(i) _____________________________________________________________________(ii) _____________________________________________________________________(iii) ____________________________________________________________________

(3 marks)4) Figure 4 shows two types of fuses commonly used in homes.

Figure 4(a) Name the two types of fuses.(i) _____________________________________________________________________(ii) _____________________________________________________________________

(2 marks)(b) State the function of a fuse. _____________________________________________________________________ _____________________________________________________________________

(1 marks)(c) (i) What is the substance used in making fuse wires? ___________________________________________________________________

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___________________________________________________________________

(ii) Why? __________________________________________________________________ __________________________________________________________________

(2 marks)(d) What will happen to the fuse when there is a short circuit? _____________________________________________________________________ _____________________________________________________________________

(1 marks)(e) An electric appliance is marked 750 W, 240 V. What is the fuse rating suitable for the electric appliance?

(1 marks)

5) Figure 5 shows the physical changes of green pea seedling during germination.

Figure 5

(a) State the two types of germination(i) ____________________________________________________________________(ii) ____________________________________________________________________

(2 marks)(b) What are the conditions needed for germination?

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(i) ____________________________________________________________________(ii) ____________________________________________________________________(iii) ____________________________________________________________________

(3 marks)(c) Where does the seedling obtain its food during germination? _____________________________________________________________________

(1 marks)

6) Figure 6 shows the arrangement of two bar magnets and four compasses P,Q, R and S.

Figure 6(a) Define what magnetic field is. _____________________________________________________________________ _____________________________________________________________________

(1 marks)(b) On Figure 6, show the correct direction of the compasses’ needles.

(2 marks)(c) What is the region marked X in Figure 6 called? _____________________________________________________________________

(1 marks)(d) State two properties of magnetic field lines.(i) _____________________________________________________________________(ii) _____________________________________________________________________

(2 marks)

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Section B[20 marks]

Answer all questions.[The time suggested to answer this section is 30 minutes]

7) Figure 7 shows various ways of reproduction P, Q, R, S and T.

Figure 7Based on your observations in Figure 7.(a) State any four ways of reproduction of P, Q, R, S and T.(i) P: _________________________________________________________________(ii) Q: _________________________________________________________________(iii) R: _________________________________________________________________(iv) S: _________________________________________________________________(v) T: _________________________________________________________________

(4 marks)(b) Classify the ways of reproduction P, Q, R, S and T in Figure & into two groups based on common characteristics. Name the organism belonging to each group.

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(4 marks)

8) The diagram shows the apparatus set up for an experiment to show the relationship between current and voltage.

Figure 8The reading switch is closed. M then is adjusted to different position. Readings of the ammeter and voltmeter are recorded as shown in the table below.

Current (A) 0.2 0.5 P 0.8 1.0Voltage (V) 0.5 1.0 1.5 2.0 2.5

(a) Name the apparatus M and state its function.(i) Apparatus M : ______________________________________________________(ii) Function of M : ______________________________________________________

(2 marks)(b) State the responding variable in this experiment. _____________________________________________________________________

(1 marks)

(c) Based on the table above. Plot a graph of potential difference, V against current, I.

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(4 marks)(d) Based on the plotted graph,(i) Determine the value of P. _____________________________________________________________________ (1 marks)(ii) State the relationship between voltage and current. ____________________________________________________________________

(2 marks)(e) Predict the reading of the ammeter when the voltmeter’s reading is 3.0 volt _____________________________________________________________________

(2 marks)KERTAS SOALAN TAMAT

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