Name : ………………………………...………………… Class : ………..

SULIT

SMK (P) METHODIST, PULAU PINANG

PEPERIKSAAN PERTENGAHAN TAHUN 2011

SCIENCE FORM 2PAPER 1

1 HOUR [60 marks]

DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO

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 Each question is followed by four alternative answers A, B, C and D. Blacken only one space for each question.

5 If you wish to change your answer, erase the blackened mark that you have made. Then blacken the space for the 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.

Prepared by : Ms. Tan Phei Ling

Checked by: Pn. Eliza

Approved by: Cik Tan Suan See

Kertas soalan ini mengandungi 11 halaman bercetak.Objective questionsChoose the best answer.

1 A student wants to find the volume of a stone. He puts the stone into a measuring cylinder filled with water. Based on Diagram 1, what is the volume of the stone?

A 17cm³ C 46 cm³B 20 cm³ D 63 cm³

2 Diagram 2 shows the organisation of cells in the human body.

Which of the following is an example of P?

A Platelet C Stomach B Ossicles D Optic nerve

3 Which of the following is not a part of the human respiratory system?

A Nasal cavity C Ribs B Intercostal muscles D Heart

4 Which of the following activity A, B, C or D, shows that air has mass?

A C

B D

5 Which of the following is a natural resource on Earth?

A Sun C Wind B Soil D Rain

6 Which of the following methods can be used to separate a mixture of iron filings and sulphur powder?

A Filtration C Electrolysis B Distillation D Magnetic attraction

7 Diagram 3 shows the conditions needed for combustion. What do P, Q and R represent?

A Light, fuel and oxygen C Oxygen, carbon and fuel B Fuel, oxygen and heat D Carbon dioxide, heat and coal

Diagram 3

8

The information above shows examples of renewable sources of energy. What is the name of this type of energy source?

A Petroleum C Coal B Geothermal D Biomass

9 Which part of the plant shows positive hydrotropism?

A Root C Stem B Leaf D Shoot

10 The density of iron is 7.9 g/cm3. What is the mass of 20cm3 of iron?

A 99 g C 170 gB 158 g D 198g

11 Diagram 4 shows a ray of light travelling from medium P to medium Q.

Which of the following could be medium P and Q?

Diagram 4

12 Diagram 5 shows the structure of the human ear.

Which of the labelled parts P, Q, R and S produces impulses to be sent to the brain?

A P C RB Q D S

13 Too much can lead to high blood pressure.

A. sugarB. waterC. saltD. vitamin C

14 Which of these areas of the skin has the most number of receptors?

A. FingertipsB. CheekC. Back of the handD. Elbow

15 Diagram 6 shows two different animals.

What is the similarity between the two animals?

A Furry C Have scales B Lay eggs D Warm blooded

Diagram 5

Diagram 6

16 Diagram 7 shows a food web.

Which organism has the biggest population? A Organism P C Organism Q B Organism R D Organism S

17 shows nastic movement in response to touch.

A. Mimosa pudicaB. RafflesiaC. HydrillaD. Hibiscus

18 Which of the following shows the reflection of light?

Diagram 7

19 Diagram 8 shows the limitation of sight

This limitation of sight is calledA blind spot C stereoscopic vision B optical illusion D monocular vision

20 Diagram 9 shows a type of response in plant.

The type of tropism shown by the plant isA Phototropism . C Thigmotropism B Hydrotropism D Nastic movement

21 Where does the reabsorption of water take place when food passes through the alimentary canal?A Mouth C Small intestine B Stomach D Large intestine

22 The information shows a list of animals which have common characteristics.

What are the common characteristics?

A Lays eggs B Cold-blooded C Have backbones D External fertilisation

Diagram 8

Diagram 9

Snake

Bird

Whale

23 Which of the following are present in faeces?

I. Undigested foodII. Mucus

III. Bacteria

A. I, II and IIIB. I and II onlyC. II and III onlyD. I only

24 helps to prevent constipation.

A. VitaminsB. MineralsC. FibreD. Fats

25 Grass in vegetable garden are weeded from time to time to reduce the problem of:

A. Parasitism B. Mutualism C. Commensalism D. Competition

26 Diagram 10 shows two boys suffering from a disease due to lack of a certain nutrient.

What is their diet lacking of?

A Fat C Iodine B Iron D Protein

Diagram 10

27 The following information shows the characteristics of a plant.

Which plants have these characteristics?

A Banana C Coconut B Papaya D Balsam

28 Diagram 11 shows a food chain.

Which organism can represent Z?

I. Rat II. Eagle III. FungiIV. Bacteria

A I and II B II and III

C III and IV D I and IV

Diagram 11

Soft stem.

Fibrous root system.

Parallel veined leaves.

Questions 29 and 30 are based on Diagram 12.

29. Which animals have no scales.

A. Animal R and SB. Animal S and TC. Animal T and UD. Animal U and R

30. Which of these animals may be grouped as animal U?

A. SalamanderB. CrocodileC. SalmonD. Beaver

31. What do an eagle and a rat have in common?

A. Both have furB. Both are without backbonesC. Both reproduce by laying eggsD. Both breathe with lungs

32. Which of these is a warm-blooded vertebrate?

A. PenguinB. Monitor lizardC. SharkD. Tree frog

33. We can help to maintain biodiversity by

I. maintaining forest reservesII. setting up animal sanctuaries

III. deforestation

A. I, II and IIIB. I and II onlyC. II and III onlyD. I only

Animals

With scales Without scales

With moist scales With dry scales With fur Without fur

(Animal R) (Animal S) (Animal T) (Animal U)

Diagram 12

34. A ________________ is made up of many different populations living together in the same area.

A. habitatB. speciesC. communityD. ecosystem

35. What is ecology?

A. The study of relationship between living things and their environment.B. The environment that is made up lots of different ecosystem.C. The whole populations in an ecosystem.D. The variety of different species in an ecosystem.

36.

Which of the following statement about the tropical rain forest ecosystem is incorrect?

A. Tropical rain forests are found in the tropics, close to the equator.B. Tropical rain forests have year-round warm temperatures, strong sunlight and

abundant rainfall.C. Tropical rain forests contain the greatest diversity of living organisms.D. The floors of the rain forest are bright and cover by herbs.

37. A predator

A. makes it own foodB. obtains food from a living hostC. feeds on dead living thingsD. kills and eats other organisms

Diagram 13

38. Organisms that recycle minerals back into the ecosystem are

A. producersB. decomposersC. consumersD. competitors

39. Which of the following words best describes the relationship between the remora and shark?

A. CompetitionB. CommensalismsC. MutualismD. Parasitism

40.

A rabbit can be classified as a

A. Producer B. Decomposer C. Primary consumer D. Tertiary consumer

Name : ………………………………...………………… Class : ………..

SULIT

SMK (P) METHODIST, PULAU PINANG

PEPERIKSAAN PERTENGAHAN TAHUN 2011

SCIENCE FORM 2PAPER 2

1 HOUR 30 MINUTES[60 marks]

DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO

1. This question paper consists of two sections: Section A and Section B.2. Write your answers in the spaces provided in the question paper.3. The diagrams in the questions provided are not drawn to scale unless stated4. The time suggested to complete Section A is 60 minutes and Section B is 30 minutes.5. Hand in your entire answer sheet at the end of the examination.

For examiner’s use only

Question Total Marks Marks Obtained

1 6

2 7

3 6

4 6

5 8

6 7

7 8

8 12

TOTAL 60

Prepared by : Ms. Tan Phei LingChecked by: Pn. ElizaApproved by: Pn. Tan Kim Chen

Kertas soalan ini mengandungi 12 halaman bercetak.

Section A[40 marks]

Answer all questions.The time suggested to answer this section is 60 minutes.

1. Diagram 1 shows the structures of the human skin.

DIAGRAM 1

(a) On Diagram 1, label the structures P, R and S using the following words

Pressure receptors Touch receptor Pain receptors

[3 marks]

(b) State one function of the skin.

_____________________________________

[1 mark]

(c) What are the two factors that influence the sensitivity of the skin?

[i] __________________________________

[ii] __________________________________

[2 marks]

2. Diagram 2 shows a human digestive system.

DIAGRAM 2

(a) Name two of the parts labelled P, Q, R, S, T, U and V.

P: _____________________________________________

Q: _____________________________________________

R: _____________________________________________

S: _____________________________________________

T: _____________________________________________

U: _____________________________________________

V: _____________________________________________

[2 marks]

(b) What is produced by part V?

_____________________________________________ [1 mark]

(c) Which part does digestion ends?

_____________________________________________

[1 mark]

(d) State the function of parts labelled

R: _____________________________________________

S: _____________________________________________

U: _____________________________________________

[3 marks]

3.

Study the given chart above and answer the question about the daily energy requirement for

different individuals.

(a) Which group of individuals need the most energy?

___________________________________

[1 mark]

(b) Why does the child require a lot of energy for daily activities?

___________________________________

[1 mark]

(c ) List 4 factors that influence a person’s need for energy.

___________________________________

___________________________________

___________________________________

___________________________________

[4 marks]

4.

(a) Diagram 3 shows a food pyramid.

Give two food examples for each of the following.

(i) E: ___________________________________________________

(ii) F: ___________________________________________________

(iii) G: ___________________________________________________

(iv) H: __________________________________________________

(v) I: ___________________________________________________

(5 marks)

(b) Why are we advised not to take too many food labelled as J?

___________________________________________________________

(1 mark)

5. Figure 4 shows the classification of plants.

DIAGRAM 4

(a) Complete Diagram 4 by identifying the parts labelled as,

(i) L: ______________________________________

(ii) M: ______________________________________

(iii) O: ______________________________________

(iv) N: ______________________________________

DIAGRAM 3

(v) P: ______________________________________ (5

marks)

(b) Based on your answer in (a), state one example for each of the following.

(i) N: ______________________________________

(ii) P: ______________________________________

(2 marks)

(c) State one characteristic of non flowering plants.

__________________________________________________ (1 mark)

6. Diagram 5 shows the characteristics between amphibians, fish and reptiles.

DIAGRAM 5

(a) What is the habitat for

(i) Fish : __________________________________________

(ii) Amphibians : ____________________________________

(iii) Reptiles: _______________________________________

(2 marks)

(b) State three common characteristics of Q.

(i) ______________________________________________________

(ii) ______________________________________________________

(iii) ______________________________________________________

(3 marks)

(c) Name two non-living component in ecosystem.

(i) __________________________________________

(ii) __________________________________________

(2 marks)

Section B

[20 marks]

Answer all questions.

The time suggested to answer this section is 30 minutes.

7. Diagram 6 shows several substances, P, Q, R, S and T.

Look at the substances in Diagram 6 and answer the following questions.

(a) State a characteristic for each of the following substances.

P: ________________________________________________________________

Q: ________________________________________________________________

S: ________________________________________________________________

T: ________________________________________________________________

(4 marks)

(b) Classify the substances, P, Q, R, S and T in Diagram 6 into two groups based on

common characteristic.

SulphurP

MercuryQ

SoilR

GoldS

Petroleum T

(4 marks)

8. An experiment was performed to show the transfer of heat in different substances. Diagram 7

shows the set-up of the apparatus used. Table 1 shows the result of the experiment.

DIAGRAM 7

TABLE 1

Substance

P, Q, R, S and T

Characteristic

Substance

(a) State a hypothesis for the experiment.

_____________________________________________________________________________

_____________________________________________________________________________

(1 mark)

(b) What are the variables in the experiment?

(i) Manipulated variable:

______________________________________________________________________

(ii) Responding variable:

_______________________________________________________________________

(iii) Constant variable:

_______________________________________________________________________

(3 marks)

(c) (i) Why do the thumbtacks fall off after some time?

________________________________________________________________________

________________________________________________________________________

(1 mark)

(ii) How is hear from the hot water transferred to the thumbtacks?

_______________________________________________________________________

(1 mark)

(iii) Based on the result given in Table 1, arrange the rod in the order of decreasing heat

conductivity.

(iv)

(1 mark)

(v) Give a reason for the arrangement given in (c)(iii).

________________________________________________________________________

________________________________________________________________________

(1 mark)

(d) What conclusion can you draw from the experiment?

_____________________________________________________________________________

_____________________________________________________________________________

(1 mark)

(e) (i) Which of the materials is most suitable for making cooking utensils, such as a frying pan?

___________________________________________________________________________

(1 mark)

(ii) Explain you answer in (e)(i)

___________________________________________________________________________

(1 mark)

(f) Name one other application of the material you have chosen in (e) (i).

___________________________________________________________________________

(1 mark)

---END OF QUESTION PAPER---