form 2 science (objective)

7/28/2019 Form 2 Science (Objective)

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1. Which of the following is the bestdefinition of science?A Science is the study of the

objects in the universeB Science is the natural

phenomena happening aroundus

C Science is the study of natureand its implication on us

D Science is the study of nature

and its implication on us

2. Which of the following units is not aunit of length?A Mile C Chain

B Ounce D Yard

3. what is a cell?A A non-living structureB The basic structure of living

thingsC The tiny structure of a wallD A round structure in the human

body

4. Which of the following structure canonly be found in a green pant cell?A cell wallB ChloroplastC VacuoleD Cytoplasm

5. The figure shows a cell.

What is the function of structure X?A Manufactures food

B Controls activities of the cellC Protects cell from physical

injuriesD Controls the chemical flow into

the cell

6. Matter is anything thatI has massII has a definite shapeIII Occupies spaceA I and II onlyB I and III onlyC II and III onlyD I, II and III

7. The figure shows the arrangement of

particles in substances A, B and C.

A B CA Ice Steam Water

B Ice Water SteamC Steam Water IceD water Steam Ice

X



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13. What is the percentage of gas in the airthat supports combustion?A 21% C 78%

B 35% D 0.03%

14. The following is a word equationrepresenting the combustion of X tpproduce Y and Z.

What are X, Y and Z?

X B CA Carbon Carbon

dioxide

Water

B Carbon Hydrogen WaterC Hydrocarbon Water Carbon

dioxideD Hydrocarbon Carbon Carbon

dioxide

15. which of the following pairs are notcorrectly matched?

Form of energy YA Chemical energy Stored in fossil fuelsB Electrical energy Produced by dry

cellsC Kinetic energy Stored in a

compressed springD Potential energy Stored in the water

in a dam

16. The following describes the

characteristic of energy source X.

Which of the following is not anexample of energy source X?A WoodB Paddy husksC Animal faeces

D Uranium

X + oxygen Y X+

-It originates from plants and

animals

-It is burnt to obtain ener



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17. The figure shows two graphs thatcompare the energy changes beforeand after an activity.

Based on the figure, which of the

following activities have been carriedout?I A ceiling fan rotatingII a swimmer jumps into the poolIII A coconut falls onto the groundA I and II onlyB I and III onlyC II and III only

D I, II and III

18. A bullet is fired 10 m form Earth intothe sky. The bullet reaches 150 mbefore it falls onto the ground. At whichhigh does the bullet have the sameamount of potential and kinetic energy?

A 75m C 80m

C 150 m D 160m

19. Which of the following part of our body

can detect heat energy?

A hair C SkinB Nails D Bone

20. The figure shows the heating elementplaced at the bottom of the kettle?

I So that the watwer can beheated throughout

II So that the convection canoccur more effectively

III So that the water boils st 100 °CA I and II onlyB I and III onlyC II and III only

D I, II and III

21. The figure shows the path of an impulsewhen air enters the nose

What are represented by P. Q and R?

P Q RA Nerve Brain Sensory organB Nerve Sensory organ Brain

C Sensory organ Brain NerveD Brain Nerve Sensory organ

Energy level Energy level

Kinetic energy

Kinetic

energy

Before activity

Kinetic energy

After activity

Heating

element

Water

Air P Nerves

Q REffectors



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22. A doctor usually injects a patient on thebuttocks because the buttocksA have thin epidermisB have thcker epidermisC have a lot of receptors

D have rough skin

23. The figure showsa human sensory

organ M.

Which stimulus is detected by M?A PressureB Chemical substancesC Sound

D Pain

24. The figure shows the content of carbohydrate in four different types of food.

What represented by K?A EggB ButterC Long bean

D Bread

25. The table shows the calorific values of

some food.

Food Calorific value(kJ)

Quantity

Chicken egg 315 1 eggPapaya 350 1 pieceBurger 1257 1 burger

Milk 624 1 glass

A student had his lunch by taking thefood shown below:

2 chicken 1 piece of papaya 1 burger

1 glass of milkCalculate the calorific valuetaken by the student for lunchin kJA 2576B 2891C 3241D 3545

26.

Which of the following is thecause of disease?A Lack of vitamin C in the

dietB Drinking too much

waterC Lack of protein in the

dietD Eating too much fat

% percentage

Type of food

J K L M

1. -Stomach becomesswollen

2. -Diarhea3. -No a etite to eat



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27. Which animals have constantbody temperature?A Snake, elephant, batB Penguin, fish, toadC Eagle, platypus, turtle

D Bat, cat, swallow

28. The figures show twoorganisms, X and Y.

Which of the following is thecommon habitat of organism Xand Y?A Paddy fieldB SwampC JungleD Thick bushes

29. The figure shows a general food

chain.

Which correctly describes X?A X is a carnivoreB Example of X is snakeC X is a strong and

powerful predatorD X is an animal which

feeds on plants

30. Which of the following willcause extinction of animal andplant species?A Replanting of treesB Recycling of solid waste

C Selective loggingD Uncontrolled hunting

31. Which of the followingdescribes the changes in thestate of water at its freezingpoint?A Liquid SolidB Solid GasC Gas LiquidD Liquid Gas

32. The figure shows a watermolecule.

What are represented by X andY?

X YA Hydrogen OxygenB Carbon OxygenC Oxygen HydrogenD Nitrogen Hydrogen

33. Which activity increase the rateof dissolving sugar in water?A Add more sugar to

waterB Avoid stirring the

solutionC Use crystal sugarD Use hot water

XY

Producer X Secondary

consumer

X

Y



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34.

Which of the following correctlyexplains the statement above?A Chances of air particles

colliding with the wallof container increases

B Air particles have morespace to move around

C Movement of airparticles decreases

D Air particles move in alldirections

35. The figure shows a drinkingstraw

When air is sucked out, waterenters the drinking straw.

Which of the following willprevent water from enteringthe drinking water?A Bend the drinking strawB Use a longer drinking

straw

C Increase the diameterof the drinking straw

D Make a hole above thewater level in the

drinking straw

36.

What should he do to make the

milk flow easily from the tin?A Shake the tinB Add hot water into the

milkC Make another hole on

the lid opposite to theexisting hole

D Heat the can beforepouring the milk intothe cup

37. Which of the following involvesa pulling force?A Hitting a ping pong ballB Cutting potatoes

C Climbing a treeD Pushing a trolley

The increase in the numberof air particles will cause the

air pressure to increase



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38. The figure shows a spring withdifferent weight attached to it.

What is the weight of X?A 4N C 8NB 6N D 10N

39. A boy pulls his bag weighing 15kg over a distance of 2.0m.Calculate the work done by theboy.A 850J C 1250JB 30J D 300J

40. The figure shows a land

vertebrae.

Which of the following is trueabout its support system?A Exoskeleton protects

soft musclesB Body weight is

supported by waterbuoyancy

C Endoskeleton supportsbody weight

D Has small and weakendoskeleton

13. The figure shows organism X

What types of support systemdoes organism X have?A Hydrostatic skeletonB ExoskeletonC Endoskeleton

D Body fluid43.

Which statement is correctabout the point of equilibrium?A The point of

equilibrium of a regularobject lies at the side of the object.

B The point of equilibrium of a regularobject is at the centreof the object

C A regular object havemore than one point of equilibrium

D The number of equilibrium point

depends on the object

2cm

4 cm

6cm

5N

X



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44. Which of the following correctlyshows the arrangement of J, K,L,M in descending order of stability?

A J, K, M, L

B K, J, L MC K, L, J MD L, M, K, J

45. The figure shows a giraffe.

Which of the following is abenefit for the giraffe if itstands with its legs apart?A Can eat leaves at the

low branches of trees.B Increase its base area

C Can raise its centre of gravity

D Can stand for longer

46. The figure shows a lorry

Which of the following canincrease the stability of thelorry?A Reduce the number of

wheelsB Make the lorry shorterC Load the lorry with

heavy materialsD Add more side mirrors

47. The figure shows an exampleof a third-class lever.

Which statement is correctabout the class of lever of the

device?A The fulcrum is between

the load and the effortB The effort is between

the fulcrum and theload

C The effort and the loadact in the samedirection

D The distance of theeffort from the fulcrumis greater than thedistance of the loadfrom the fulcrum



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48. The figure shows two childrenP and Q sitting on a see-saw.The length of the see-saw is2m. P has a mass of 50kg and Q has mass of 25kg.

Calculate the distance betweenP and the centre of the see-sawin order to balance the see-saw.A 25cm C 75cm

B 50cm D 100cm49. The figure shows two situations

where a hammer is used to pullout a nail.

Which statement is correct?A The length of the

handle of the hammer

does not influence the

effort usedB If the handle is nearer

to the fulcrum, theeffort used will be less

C G needs less effort thanH in pulling out the nail

D H needs less effort thanG in pulling out the nail

50. Which of the following is theimportance of machines in ourdaily life?A Increase our working

hours

B Enable us to workfaster

C Make our livesdependent onmachines

D Decrease the use of

electrical energy

form 2 science (objective)

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