Cambridge IGCSE Sciences - Co-ordinated (Double) 0654 — 2011 May/June Paper 1 · Variant 2

Question 1

1 Which process releases energy in all living things? A breathing B digestion C muscle contraction D respiration

Accepted Answer

D

Question 2

2 The diagram shows four vertebrate animals. P Q R S Which animals have lungs? A P, Q and R B Q, R and S C R, S and P D S, P and Q

Accepted Answer

D

Question 3

3 Which molecule carries energy into a cell and which is a process that uses this energy? molecule process A glucose growth B iron movement C protein digestion D starch storage

Accepted Answer

A

Question 4

4 The diagram shows a root hair cell. What shows that it is a plant cell? A It has a large surface area. B It has a large vacuole. C It has no cell membrane. D It has no cell wall.

Accepted Answer

B

Question 5

5 What happens shortly after eating a large amount of sugar? A More insulin is secreted by the pancreas. B More urea is made in the liver. C More urine is excreted by the kidneys. D More water is removed from the blood.

Accepted Answer

A

Question 6

6 The diagram shows part of the alimentary canal. P Q R S Where is bile added and where is acid released? addition of bile release of acid A P Q B Q R C R S D S P

Accepted Answer

A

Question 7

7

Tests were carried out on a clear liquid. The table shows the results.

test result
biuret purple colour
ethanol white colour
iodine brown colour

What did the clear liquid contain?

fat protein starch
A v v v
B v v x
Cc v x v
D x v v

key
v/=yes
X =no

Accepted Answer

B

Question 8

8 The diagram shows a section through the heart. 2 3 4 1 Which two blood vessels are arteries? A 1 and 2 B 2 and 3 C 3 and 4 D 4 and 1

Accepted Answer

B

Question 9

9 What is an ecosystem? A a community and its habitat B a group of organisms and their predators C all the organisms in a food chain D where an organism lives

Accepted Answer

A

Question 10

10 The diagram shows a short food chain. grass rabbit fox In the food chain, what is the importance of the rabbit? A It absorbs carbon dioxide. B It absorbs the Sun’s energy. C It passes on energy from plants. D It releases oxygen.

Accepted Answer

C

Question 11

11 Which is an example of cloning? A pollinating flowers by insects B producing offspring by sexual intercourse C producing plants by tissue culture D seeds forming in an ovary

Accepted Answer

C

Question 12

12 Why is seed dispersal important? A It causes the development of a fruit. B It makes seeds more fertile. C It prevents asexual reproduction. D It reduces competition between seedlings.

Accepted Answer

D

Question 13

13 What passes from a mother to a fetus in her uterus? A blood platelets B mineral ions C plasma D red blood cells

Accepted Answer

B

Question 14

14 Which trends in physical properties are correct for the alkali metals down Group I? hardness melting point A decreases decreases B decreases increases C increases decreases D increases increases

Accepted Answer

A

Question 15

15 What is made when amino acids join together in a large chain? A cellulose B glucose C protein D starch

Accepted Answer

C

Question 16

16 The graph shows the changes in temperature when a substance is cooled. X temperature / °C Y 0 0 time Which describes the processes occurring at X and Y? X Y A boiling melting B condensing freezing C freezing condensing D melting boiling

Accepted Answer

B

Question 17

17 Some properties of three substances are shown. melting point boiling point electrical conductivity substance / °C / °C when molten W 801 1413 good X −111 −78 poor Y 1610 2230 poor What are the structures of W, X and Y? giant covalent giant ionic molecular structure structure structure A W Y X B X W Y C Y W X D Y X W

Accepted Answer

C

Question 18

18 Large hydrocarbons can be ..….1…... to make smaller, more useful molecules. Small hydrocarbon molecules can be …...2…... to make long molecules. Which words correctly complete gaps 1 and 2? 1 2 A cracked distilled B cracked polymerised C distilled polymerised D distilled cracked

Accepted Answer

B

Question 19

19 Electrolysis of sodium chloride is used to obtain chlorine. In what form is sodium chloride electrolysed and at which electrode is the chlorine obtained? form of electrode at which sodium chloride chlorine is obtained A in aqueous solution anode B in aqueous solution cathode C solid anode D solid cathode

Accepted Answer

A

Question 20

20 How is carbon (coke) used in the extraction of iron from iron oxide? A as an anode B as a cathode C as an oxidising agent D as a reducing agent

Accepted Answer

D

Question 21

21 Sodium hydroxide solution is added to hydrochloric acid. thermometer sodium hydroxide solution hydrochloric acid Which shows how the pH and temperature change as the reaction takes place? pH temperature A decrease decrease B decrease increase C increase decrease D increase increase

Accepted Answer

D

Question 22

22 Which statements about a positive test for a nitrate ion are correct? 1 Aluminium is used. 2 The nitrate ion is reduced to ammonia. 3 Ammonia turns damp litmus paper red. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Accepted Answer

B

Question 23

23 A solution is tested by adding acidified silver nitrate solution. Which ion causes the white precipitate to form? A chloride ions, Cl − B copper ions, Cu2+ C hydroxide ions, OH− D sodium ions, Na+

Accepted Answer

A

Question 24

24 Which statement about methane is not correct? A Methane burns in air to form carbon dioxide and water. B Methane can be obtained from the decay of waste material. C Methane is a fossil fuel. D When methane burns, an endothermic reaction takes place.

Accepted Answer

D

Question 25

25 The diagram shows part of the Periodic Table. Which element has atoms containing three electrons in the outer shell? A D B C

Accepted Answer

D

Question 26

26 Aspirin can be used to relieve headaches.

Which terms correctly describe aspirin?

analgesic cogent drug
A v v x key
B Jv x v /= yes
Cc x v x X =no
D x x v

Accepted Answer

B

Question 27

27 Which is not a colloid? A cellulose B milk C paint D smoke

Accepted Answer

A

Question 28

28 One side of a cube stands on the ground. cube 0.10 m ground The cube weighs 200 N and its sides are 0.10 m long. How much pressure does the cube exert on the ground? A 2.0 Pa B 20 Pa C 2000 Pa D 20 000 Pa

Accepted Answer

D

Question 29

29 A student needs to find the density of a large cubic block of wood. Which two pieces of apparatus should she use? A balance and metre rule B balance and thermometer C measuring cylinder and metre rule D measuring cylinder and thermometer

Accepted Answer

A

Question 30

30 In an experiment, a student measures the time taken for an object to fall to the ground. He carries out the experiment ten times. The table shows his results. time / s 26.4 26.8 26.4 24.4 24.0 26.8 25.4 23.4 26.4 24.0 Which value should the student use? A 24.0 s B 25.4 s C 26.4 s D 26.8 s

Accepted Answer

B

Question 31

31 Which group contains only secondary colours of light? A cyan, green, magenta B cyan, green, yellow C green, magenta, yellow D yellow, cyan, magenta

Accepted Answer

D

Question 32

32 Two cars have different masses and different speeds as shown. mass = 500 kg mass = 1000 kg speed speed = 10 m / s = 5 m / s car P car Q How do the momentum and the kinetic energy of the two cars compare? momentum kinetic energy A P greater than Q P less than Q B P equal to Q P greater than Q C P equal to Q P equal to Q D P less than Q P equal to Q

Accepted Answer

B

Question 33

33 A satellite orbits the Earth.

Is the satellite in a gravitational field and is the satellite in a magnetic field?

a gravitational field

a magnetic field

0 0O WwW D>

v

v
x
x

v

x
v
x

key
JY =in field
X =not in field

Accepted Answer

A

Question 34

34 What is meant by the current in a wire? A the charge flowing through the wire per second B the energy the wire can transfer elsewhere per second C the power the wire can produce per second D the work the wire does per second

Accepted Answer

A

Question 35

35 An electronic circuit is used as a temperature detector. temperature component heater detector The current in the detector is small. The detector operates a component that allows it to control a larger current in a heater. Which component is suitable? A a diode B a dynamo C a reed relay D a transformer

Accepted Answer

C

Question 36

36 Microphones and earphones are both used with audio equipment. Which energy change takes place in a microphone and which takes place in an earphone? microphone earphone A electrical to sound electrical to sound B electrical to sound sound to electrical C sound to electrical electrical to sound D sound to electrical sound to electrical

Accepted Answer

C

Question 37

37 Electrical energy from a power station is used a long distance away from it. Which row shows the type of current needed and the device used for efficient transmission? type of current device A alternating dynamo B alternating transformer C direct dynamo D direct transformer

Accepted Answer

B

Question 38

38 Which process is used in a nuclear power station and which nuclear change happens in this process? process used nuclear change A fission heavy nuclei split B fission light nuclei join together C fusion heavy nuclei split D fusion light nuclei join together

Accepted Answer

A

Question 39

39 Which row describes the properties of beta radiation?

electromagnetic ionising
A v v
B v x
Cc x v
D x x

key
v/=yes
X =no

Accepted Answer

C

Question 40

40 The diagram shows the basic structure of a cathode-ray tube in an oscilloscope. hot filament anode X-plates Y-plates – + From which component do the cathode rays start? A the anode B the hot filament C the X-plates D the Y-plates

Accepted Answer

B

Question paper16 pages

Mark scheme2 pages

Questions as text

Q1 · Which process releases energy in all living things?

Q2 · The diagram shows four vertebrate animals

Q3 · Which molecule carries energy into a cell and which is a process that uses this energy?

Q4 · The diagram shows a root hair cell

Q5 · What happens shortly after eating a large amount of sugar?

Q6 · The diagram shows part of the alimentary canal

Q7 · Tests were carried out on a clear liquid

Q8 · The diagram shows a section through the heart

Q9 · What is an ecosystem?

Q10 · The diagram shows a short food chain

Q11 · Which is an example of cloning?

Q12 · Why is seed dispersal important?

Q13 · What passes from a mother to a fetus in her uterus?

Q14 · Which trends in physical properties are correct for the alkali metals down Group I?

Q15 · What is made when amino acids join together in a large chain?

Q16 · The graph shows the changes in temperature when a substance is cooled

Q17 · Some properties of three substances are shown

Q18 · Large hydrocarbons can be ..….1…..

Q19 · Electrolysis of sodium chloride is used to obtain chlorine

Q20 · How is carbon (coke) used in the extraction of iron from iron oxide?

Q21 · Sodium hydroxide solution is added to hydrochloric acid

Q22 · Which statements about a positive test for a nitrate ion are correct?

Q23 · A solution is tested by adding acidified silver nitrate solution

Q24 · Which statement about methane is not correct?

Q25 · The diagram shows part of the Periodic Table

Q26 · Aspirin can be used to relieve headaches

Q27 · Which is not a colloid?

Q28 · One side of a cube stands on the ground

Q29 · A student needs to find the density of a large cubic block of wood

Q30 · In an experiment, a student measures the time taken for an object to fall to the ground

Q31 · Which group contains only secondary colours of light?

Q32 · Two cars have different masses and different speeds as shown

Q33 · A satellite orbits the Earth

Q34 · What is meant by the current in a wire?

Q35 · An electronic circuit is used as a temperature detector

Q36 · Microphones and earphones are both used with audio equipment

Q37 · Electrical energy from a power station is used a long distance away from it

Q38 · Which process is used in a nuclear power station and which nuclear change happens in this…

Q39 · Which row describes the properties of beta radiation?

Q40 · The diagram shows the basic structure of a cathode-ray tube in an oscilloscope

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