soalan sains ting2

7/31/2019 soalan sains ting2

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INSTRUCTION :

Each question is followed by four options. Choose the best answer for each question.

1 The information box above consists of procedures involved in scientific method.

Which of these shows the right sequence for the mentioned procedures?

A S, Q, P, R, T B R, P, Q, S, T

C R, P, S, Q, T D P, T, Q, R, S

Figure 1

2 Figure 1 shows a hazard warning symbol. Examples of substances labelled with the

symbol are

A Ethanol and kerosene B Sodium and aluminium

C Ammonia and chloroform D Mercury and sodium cyanide

3 Which of the following hazard warning symbols tells us that a substance burns easily?A B C D

Figure 2

4 What is the volume of the piece of plasticine shown in Figure 2?

A 10 cm B 30 cm

C 15 cm D 40 cm

PMaking hypothesis

QInterpreting and analyzing data

RIdentifying problemSPanning investigation/research

TMaking conclusion


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5 Which of the following is a property of matter?

A Has mass and constant volume. B Has mass and occupies space.

C Not easily be compressed. D Has definite density.

Figure 3

6 Figure 3 shows the outcome when solid X and Y are put into immiscible liquids P, Q

and R. Which of these shows the ascending order of density of P, Q, R, X and Y?

A P, Q, R, Y, X B X, P, Q, R, YC P, X, Q, R, Y D Y, R, Q, X, P

7 Which part of the human body is the first to receive external stimuli?

A The brain B The sensory organ

C Effectors D Nerves

Figure 4

8 The figure above shows a cross-section of a human skin. Which of the parts labelled

A, B, C or D,is most sensitive to pain?

9 Which of the following instruments can help humans overcome hearing limitationsand hearing defects?

I Stethoscopes II Hearing aids

III Microphones IV Loudspeakers

A I and II only B III and IV only

C I, II and III only D I, II, III and IV


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Figure 510 The apparatus in the figure above was set up and left for five days. What will you

observe after five days?

A The shoots will grow upwards and the roots will grow to the right

B The shoots will grow upwards and the roots will grow downwards

C The shoots will grow upwards and the roots will grow to the left

D The shoots and roots will grow to the left

Medical report of Encik Zulkifli

High quantity of glucose in urine

11 The patient with the above medical report is most probably suffering fromA pneumonia B kidney stonesC diabetes D asthma

Figure 6

12 The pie chart above shows the food classes in food sampleR. Food sampleR is most

probably

A spinach B chicken

C cake D rice

13 Which of the following shows the pathway of food which is eaten by a person?

A Mouth stomach liver duodenum small intestine

B Mouth stomach duodenum large intestine oesophagus

C Mouth oesophagus stomach small intestine large intestine

D Mouth oesophagus liver stomach small intestine

Figure 714 Which of the following organisms is most similar to the organism shown in the figure

above?

A Cobra B MudskipperC Shark D Clam


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Vertebrates

Mammals Reptiles R Birds Fishes

15 The figure above shows the classification of vertebrates. What doesR represent?A Earthworms B AmphibiansC Decomposers D Salamanders

16 Why is biodiversity important?

I Organisms are useful sources of medicinesII Organisms depend on each other for their survivalIII Different organisms have different roles to play in an ecosystemIV Organisms are important food sourcesA I and II only B II and IV onlyC I, II and III only D I, II, III and IV

17 What does a group of organisms of the same type living together in a specific area

form?

A A community B A species

C A population D An ecosystem

Figure 818 Which type of interaction is similar to the one shown in the figure above?

A Algae and fungi B Remora fish and sharks

C Parasites in human intestines D Bacteria in termite intestines

P : The leaf is boiled in alcoholQ : Two drops of iodine are added to the leaf

R : The leaf is placed in boiling water for several

minutes

S : The leaf is placed on a white tile

19 The steps above were carried out to test for the presence of starch in a leaf. Which of

the following sequences is correct?

A S, Q,R, P B P, S, Q,R

C Q,R, P, S D R, P, S, Q


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20 An activity was carried out to determine the boiling points of different samples of

water. The results are recorded below.

Sample X Sample Y Sample Z

Boiling point ( C) 100

103 105

What doX, YandZrepresent?

X Y Z

A Rainwater Pure water Seawater

B Seawater Pond water Pure water

C Pure water Pond water Seawater

D Seawater Rainwater Pure water

21 How does the evaporation process help in preserving food such as anchovies, when

dried out in the Sun?

A Bacteria in the anchovies dry up

B Bacteria cannot grow without waterC Dried anchovies can be salted

D The Sun kills the bacteria in the anchovies

22 Based on the information given below, which of the following will dissolve the

fastest?

Form of sodium chloride Volume of water (cm3) Temperature (

oC)

A 10 g of fine powder 100 40

B 10 g of fine powder 200 65

C 10 g of coarse powder 200 70

D A piece of 10 g crystal 200

75

23 Air pressure exists because

A air is a mixture

B air particles are light

C air has mass

D air particles are moving randomly

Figure 924 The glass in the figure shown above is filled with water until it is full. A piece of

cardboard is placed on top of it and it is turned upside down. Which of the following

statements is correct?

I The water drips through the cardboard

II Atmospheric pressure pushes the cardboard upwards

III The water remains inside the glass

IV The cardboard drops to the ground

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


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Figure 1025 Figure 10 shows a syringe. What will happen when the piston of the syringe is pulled

back?

A The air pressure inside the syringe increases and the medicine is pushed into a

patients body

B The air pressure inside the syringe increases and medicine is forced inside

C The air pressure inside the syringe decreases and medicine is forced inside

D The air pressure inside the syringe decreases and the medicine is pushed into

a patients body

26 When a basketball player throws a ball up towards the hoop, the ball will drop down

after several seconds. This happens because of

A frictional force B electrostatic force

C magnetic force D gravitational force

27 A force of 5 N extends a spring by 4 cm. How much force will extend the spring 10cm?

A 1.25 N B 12.5 N

B 125 N D 1250 N

28 In which of the following situations is worknot done?

I Holding a penII Writing notes in a bookIII Studying the notes in a science bookIV Setting up a neutralisation experiment in the laboratoryA I and III only B II and IV onlyC I, II and III only D I, II, III and IV

Figure 1129 In the figure above, what is the resistance that the buffalo had to overcome if work

done by the buffalo is 32 kJ?

A 4 N B 40 NC 400 N D 4000 N


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30 Which of the following groups of animals have endoskeletons for support?

A Cats, horses, cockroachesB Caterpillars, frogs, spidersC Manta rays, dolphins, crocodilesD Ants, earthworms, monkeys

31 Which of the following plants will wilt in the Sun on a hot afternoon?

Figure 12

32 What is the name of the part labelledL, which helps support the plant in the figure

shown above?

A Breathing roots B Clasping rootsC Prop roots D Buttress roots

33 What is another term for the point of equilibrium?

A The universal point B The center of oscillationC The point of weight D The centre of gravity

Figure 1334 Which of the points labelled A,B, C or D, is the point of equilibrium of the chair

shown in the figure above?

A B C D


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35 Which of the following shows the arrangement of animals in descending order of

stability?

A Giraffe, gorilla, lion, crocodileB Crocodile, giraffe, gorilla, lionC Crocodile, gorilla, giraffe, lionD Crocodile, lion, gorilla, giraffe

Figure 1436 A spoon was used to open the lid of a can, as shown in the figure above. What do P

and Q represent?

P Q

A

B

C

D

Load distance

Effort distance

Effort

Load

Effort distance

Load distance

Load

Effort

37 Which of the following tools is in the same class of levers as described above?A Ice tongs B NutcrackerC Beam balance D Pliers

Figure 1538 How can a smaller effort be used to successfully remove the nail as shown the figure

above?

A Use a bigger nailB Use a longer handle hammerC Use a lighter hammerD Use a shorter handle hammer

The load and the effort act in opposite directions The effort distance is always less than the load distance


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24 cm

16 N

40 cm

X

Figure 1639 The lever in the figure shown above is balanced. What is the value ofX?

A 5.6 NB 6 NC 9.6 ND 96 N

40 Why is a third class lever useful to human beings?

A The load and effort act in the same directionB A large force is producedC A large movement is producedD Friction is greatly reduced

************************ END OF QUESTION PAPER ***********************

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