0653_w15_qp_12

8/18/2019 0653_w15_qp_12

http://slidepdf.com/reader/full/0653w15qp12 1/16

This document consists of 16 printed pages.

IB15 11_0653_12/3RP© UCLES 2015 [Turn over

* 3 4 5 9 5 4

3 3 0 4 *

Cambridge International ExaminationsCambridge International General Certificate of Secondary Education

COMBINED SCIENCE 0653/12

Paper 1 Multiple Choice October/November 2015

45 minutes

Additional Materials: Multiple Choice Answer SheetSoft clean eraserSoft pencil (type B or HB is recommended)

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.Do not use staples, paper clips, glue or correction fluid.Write your name, Centre number and candidate number on the Answer Sheet in the spaces providedunless this has been done for you.DO NOT WRITE IN ANY BARCODES.

There are forty questions on this paper. Answer all questions. For each question there are four possibleanswers A, B, C and D.Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.

Read the instructions on the Answer Sheet very carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.A copy of the Periodic Table is printed on page 16.Electronic calculators may be used.

8/18/2019 0653_w15_qp_12


2

© UCLES 2015 0653/12/O/N/15

1 Which is a characteristic of all living organisms?

A breathing

B eating

C egestion

D movement

2 Which process depends on diffusion?

A circulation

B digestion

C gaseous exchange

D phagocytosis

3 The graph shows the effect of temperature on the rate of an enzyme-controlled reaction.

rate of reaction

temperature

12

34

5

Where on the graph has all the enzyme been denatured?

A 1 B 2 and 3 C 3 and 4 D 5

4 What is the main use in the human body of carbohydrate?

Ainsulating against cold

B making growth possible

C providing energy

D rebuilding damaged tissues

8/18/2019 0653_w15_qp_12


3

© UCLES 2015 0653/12/O/N/15 [Turn over

5 Which mineral salt and which vitamin does a child need to produce strong bones?

mineral salt vitamin

A calcium C

Bcalcium D

C iron C

D iron D

6 The diagram shows a section through the heart.

To ensure that blood will flow to the lungs, which valve must be closed?

A

B C

D

7 The drawing shows some blood, as it appears under the microscope.

Which part carries glucose to muscles?

A

B

C

D

8/18/2019 0653_w15_qp_12


4

© UCLES 2015 0653/12/O/N/15

8 The diagram shows some structures in the human thorax (chest).

Into which part does carbon dioxide pass immediately after leaving the blood?

A

B

C

D

9 The diagram shows the shoots of a tray of seedlings in a box. Light enters the box as shown.

light enteringthrough holein the box

box

shoots

tray

Which diagram shows the phototropic response of the shoots after 48 hours?

A B

C D

holecoveredup

8/18/2019 0653_w15_qp_12


5


10 When an athlete prepares for the start of a sprint race, excitement causes the concentration of ahormone in the blood to increase.

What effects does the hormone have on the blood glucose concentration and the heart rate of theathlete?

blood glucoseconcentration heart rate

A decreases decreases

B decreases increases

C increases decreases

D increases increases

11 Which structure in a flower produces pollen?

A sepal

B stamen

C stigma

D style

12 When does the development of a baby begin?

A ejaculation of semenB fertilisation of the ovum

C implantation in the wall of the uterus

D start of the mother’s menstrual cycle

8/18/2019 0653_w15_qp_12


6

© UCLES 2015 0653/12/O/N/15

13 The diagram shows part of the carbon cycle.

carbon dioxide in air

carbon compoundsin animals

carbon compoundsin plants

3

2

4 1

Where does respiration occur?

A 1 only B 2 and 3 C 3 and 4 D 3 only

14 and represent atoms of two different elements.

Which diagram represents molecules?

A B C D

X

X

X

X

X

X

XY Y Y Y Y Y YY Y Y Y Y Y YY

YX YX Y

X YX Y XYX YX YX Y

X YX Y XY

Y Y Y Y Y YY Y Y Y Y Y YY Y Y Y Y Y Y

X X

X

XX

X

X

X

X Y

8/18/2019 0653_w15_qp_12


7


15 In an experiment, a mixture of 0.5 g of copper and 3 g of zinc is added to an excess of dilutesulfuric acid.

The copper acts as a catalyst.

After all the zinc has dissolved, the resulting mixture is filtered.

solid X

aqueous zinc sulfateand unreacted acid

What is solid X and what is its mass?

solid X mass of pure X

A copper less than 0.5 g

B copper 0.5 g

C copper( II ) oxide 0.5 g

D copper( II ) oxide greater than 0.5 g

16 Element Y has a proton number of 18 and a nucleon number of 40.

Which statements about element Y are correct?

1 It has 40 neutrons in its nucleus.

2 It has 22 electrons.

3 It is unreactive.

4 It is in Group 0 of the Periodic Table.

A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

8/18/2019 0653_w15_qp_12


8

© UCLES 2015 0653/12/O/N/15

17 The structure of a hydrocarbon is shown.

H C

H

H

H

C

H

H

C

H

C

H H

H

What is the formula of the hydrocarbon?

A C 2 H5 B C 3 H8 C C 4 H9 D C 4 H10

18 The apparatus shown is set up.

lamp

electrodes

crucible

heat

solidlead( II ) bromide

The crucible needs to be heated for the lamp to give out light.

Why is heat needed?

A An exothermic reaction takes place in the crucible.

B Electrodes only conduct electricity when hot.

C Heat causes the lead( II ) bromide to react with air.

D The lead( II ) bromide must be molten.

8/18/2019 0653_w15_qp_12


9


19 Four different solids are added to water. The initial and final temperatures are recorded.

Which change is the most exothermic?

initialtemperature

/ ° C

finaltemperature

/ ° C

A 19 30

B 20 25

C 22 18

D 25 14

20 Which method cannot be used to investigate the rate of a chemical reaction?

A Measuring the change in the mass of catalyst.

B Measuring the change in the mass of the reaction mixture.

C Measuring the time taken for the reaction to complete.

D Measuring the volume of gas produced.

21 Sulfuric acid reacts with potassium hydroxide.

What are the products of this reaction?

potassiumhydroxide

potassiumsulfate

carbondioxide water

A key

B = yes

C = no

D

22 A substance reacts with dilute acid, producing a gas.

The gas ignites with a pop when tested with a lighted splint.

What is the substance?

A copper

B copper( II ) oxide

C magnesium

D magnesium carbonate

8/18/2019 0653_w15_qp_12


10

© UCLES 2015 0653/12/O/N/15

23 The positions of four elements are shown in the outline of the Periodic Table.

Which element has a high melting point and forms coloured compounds?

C D

A B

24 Which statement about elements in Period 3 of the Periodic Table is correct?

A All the elements in Period 3 are metals.

B All the elements in Period 3 are non-metals.C Metals are on the left, non-metals are on the right.

D Non-metals are on the left, metals are on the right.

25 A small piece of a solid element is dropped into a bowl of water.

The element floats on the water, fizzes and burns with a lilac flame.

What is the element?

A copper

B potassium

C sodium

D zinc

26 When water is purified it is passed through large tanks of sand.

What is the purpose of the sand?

A to remove all harmful bacteria

B to remove coloured soluble impurities

C to remove small insoluble particles

D to remove tree branches and other large objects

8/18/2019 0653_w15_qp_12


11


27 Methane, ethane and propane are all alkanes. Their formulae are shown below.

methane, CH 4

ethane, C 2 H6

propane, C 3 H8

Which statement is not correct?

A All three of these compounds are hydrocarbons.

B All three of these compounds burn.

C Methane is the main constituent of natural gas.

D Propane burns completely to form carbon dioxide and hydrogen.

28 In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.

What is the average speed of the car?

A 1.5 km / h B 90 km / h C 144 km / h D 216 km / h

29 Which quantity is measured in newtons?

A density

B energy

C potential differenceD weight

30 A student tries to determine the density of a metal block. First he measures the mass of the blockand finds its weight. Next he measures the length of the sides of the block and calculates itsvolume. Finally he divides the weight by the volume.

The student has made a mistake.

What should he do to determine the density?

A divide mass by volume

B divide mass by weight

C divide volume by mass

D divide volume by weight

8/18/2019 0653_w15_qp_12


12

© UCLES 2015 0653/12/O/N/15

31 What is the unit for work and what is the unit for power?

work power

A J N

BJ W

C N W

D W J

32 A person lifts boxes of equal weight on to a platform.

boxes

platform

Which quantity will not affect the work done by the person?

A the height of the platform above the ground

B the number of boxes lifted

C the time taken to lift the boxesD the weight of the boxes

33 Which statement about the molecules of a gas at 0 ° C is correct?

A They do not move.

B They move about randomly.

C They move around each other in circular orbits.

D They vibrate about fixed positions.

8/18/2019 0653_w15_qp_12


13


34 An electric kettle contains a metal heating element.

water

heating element

What are the main processes by which heat energy is transferred from the element to the water,and throughout the water?

heat transfer process

element to water throughout waterA conduction convection

B conduction radiation

C convection radiation

D radiation conduction

35 A ray of light in glass is incident on a boundary with air.

Which path does the light take when the angle of incidence x is significantly less than the criticalangle?

A

B

C

D

airglass

x

ray oflight

8/18/2019 0653_w15_qp_12


14

© UCLES 2015 0653/12/O/N/15

36 The diagram represents the electromagnetic spectrum. Sections P and Q are not named.

gammarays P ultraviolet

wavesvisiblelight

infra-redwaves Q radio

waves

Which type of wave does P represent, and which type of wave does Q represent?

P Q

A microwaves sound waves

B microwaves X-rays

C sound waves microwaves

D X-rays microwaves

37 A student measures the speed of sound. He claps his hands and the sound reflects from a wallwhich is 100 m away from him.

student

timer

wall

100 m

An electronic timer detects the echo of the sound 0.60 s after it is made.

Which calculation should the student use to determine the speed of sound?

A 0.60

100m / s B

2.1

100 m / s C 0.30

200 m / s D

0.60

200 m / s

38 A negative ion X is close to a positive ion and another negative ion. Electrical forces act on ion X

because of the charges in the other two ions.

Which diagram shows the directions of the two forces acting on ion X?

+

–

–

ion X

A

+

–

–

ion X

B

+

–

–

ion X

C

+

–

–

ion X

Dpositive

ion

negativeion

8/18/2019 0653_w15_qp_12


8/18/2019 0653_w15_qp_12


16

To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the CambridgeInternational Examinations Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download atwww.cie.org.uk after the live examination series.

© UCLES 2015 0653/12/O/N/15

G r o u p

140

C e

C e r i u m

58

141 P

r

P r a s e o d y m i u m

59

144

147

237

231

N d

N e o d y m i u m

60

P m P r o m e t h i u m

61

150

S m

S a m a r i u m

62

152

E u

E u r o p i u m

63

157

G d

G a d o l i n i u m

64

159 T b

T e r b i u m

65

162

D y

D y s p r o s i u m

66

165

H o

H o l m i u m

67

167 E

r E r b i u m

68

169

T m T h u l i u m

69

173

Y b

Y t t e r b i u m

70

175

L u L u t e t i u m

71

232

T h T h o r i u m

90

P a

P r o t a c t i n i u m

91

238 U

U r a n i u m

92

N p N e p t u n i u m

93

P u

P l u t o n i u m

94

A m

A m e r i c i u m

95

C m

C u r i u m

96

B k B e r k e l i u m

97

C f

C a l i f o r n i u m

98

E s

E i n s t e i n i u m

99

F m F e r m i u m

100

M d M e n d e l e v i u m

101

N o

N o b e l i u m

102

L r

L a w r e n c i u m

103

1 H H y d r o g e n

1

7 L i L i t h i u m

3

23 N

a S o d i u m

11

24

M g

M a g n e s i u m

12

40 C

a C a l c i u m

20

45 S

c S c a n d i u m

21

4

8

T i

T i t a n i u m

22

51 V

V a n a d i u m

23

52 C

r C h r o m i u m

24

55

M n

M a n g a n e s e

25

56 F e I r o n

26

59 C

o C o b a l t

27

59 N i

N i c k e l

28

64 C

u C o p p e r

29

65 Z n Z

i n c

30

70 G

a G a l l i u m

31

27 A

l

A l u m i n i u m

13

11 B

B o r o n

5

12 C

C a r b o n

6

14 N

N i t r o g e n

7

16 O

O x y g e n

8

19 F

F l u o r i n e

9

28 S i

S i l i c o n

14

31 P

P h o s p h o r u s

15

32 S

S u l f u r

16

35.5 C

l

C h l o r i n e

17

40 A

r A r g o n

18

20 N

e N e o n

10

4 H e

H e l i u m

2

73 G

e G e r m a n i u m

32

75 A

s A r s e n i c

33

79 S e

S e l e n i u m

34

80 B

r B r o m i n e

35

84 K

r K r y p t o n

36

39 K

P o t a s s i u m

19

88 S

r S t r o n t i u m

38

89 Y

Y t t r i u m

39

9

1

Z r

Z i r c o n i u m

40

93 N b

N i o b i u m

41

96

M o

M o l y b d e n u m

42

T c T e c h n e t i u m

43

101

R u R u t h e n i u m

44

103

R h

R h o d i u m

45

106

P d

P a l l a d i u m

46

108

A g

S i l v e r

47

112

C d C a d m i u m

48

115

I n

I n d i u m

49

119

S n

T i n

50

122

S b

A n t i m o n y

51

128

T e T e l l u r i u m

52

127

I I o d i n e

53

131

X e

X e n o n

54

137

B a

B a r i u m

56

139

L a L a n t h a n u m

57

*

178

H f

H a f n i u m

72

181

T a T a n t a l u m

73

184 W

T u n g s t e n

74

186

R e

R h e n i u m

75

190

O s

O s m i u m

76

192

I r

I r i d i u m

77

195 P t

P l a t i n u m

78

197

A u

G o l d

79

201

H g M e r c u r y

80

204 T

l

T h a l l i u m

81

207

P b

L e a d

82

209 B i

B i s m u t h

83

P o P o l o n i u m

84

A t

A s t a t i n e

85

R n

R a d o n

86

F r

F r a n c i u m

87

227

A c

A c t i n i u m

89

9 B e

B e r y l l i u m

4

I

II

III

IV

V

VI

VII

0

85 R b

R u b i d i u m

37

133

223

C s

C a e s i u m

55

226

R a

R a d i u m

88

The volume of one mole of any gas is 24dm

3at room temperature and pressure (r.t.p.).

a Xb

a = relative atomicmas

s

X = atomicsymbol

b = proton (atomic) num

ber

Key

*58-71 Lanthanoid series

90-103 Actinoid series

DATASHEET

The Periodic Table of the Elements

244

243

247

247

251

252

257

258

259

260

209

210

222

0653_w15_qp_12

Documents