Cambridge IGCSE Science - Combined 0653 — 2016 May/June Paper 1 · Variant 3

Question 1

1

What are the characteristics of living organisms?

excretion growth | movement | nutrition | reproduction | respiration veopones,
A v v v v Vv JV V
B v v x v V 4 V
Cc v x x Jv x 4 W,
D x v v v Vv JV x

Accepted Answer

A

Question 2

2 The diagram shows an animal cell. The maximum diameter of the diagram is 25 mm. The maximum diameter of the actual cell was 0.02 mm. What is the magnification of the drawing? A ×25 B ×200 C ×1250 D ×2500

Accepted Answer

C

Question 3

3 Which statement about diffusion is correct? A Diffusion happens only in living organisms. B Diffusion happens only through a cell wall. C Diffusion occurs only down a concentration gradient. D Diffusion occurs only in solution.

Accepted Answer

C

Question 4

4 The diagram shows the effect of increasing temperature on an enzyme-controlled reaction, during which the enzyme is not at its optimum (best) pH. 70 50 rate / arbitrary 30 units 10 0 0 20 40 60 temperature / °C Which shows the effect of temperature on this enzyme when it is at its optimum pH? A B 70 70 50 50 rate / rate / arbitrary arbitrary 30 30 units units 10 10 0 0 0 20 40 60 0 20 40 60 temperature / °C temperature / °C C D 70 70 50 50 rate / rate / arbitrary arbitrary 30 30 units units 10 10 0 0 0 20 40 60 0 20 40 60 temperature / °C temperature / °C

Accepted Answer

D

Question 5

5 The diagram shows a section through part of a leaf as seen under a light microscope. 1 2 What are the labelled parts? 1 2 A cuticle phloem B cuticle xylem C epidermis phloem D epidermis xylem

Accepted Answer

B

Question 6

6 The diagram shows a section through the human heart. tendons Which structures are joined by the tendons? A atrium wall and septum B atrium wall and valve C septum and ventricle wall D valve and ventricle wall

Accepted Answer

D

Question 7

7 Where does most water enter a plant? A epidermal cells B root hair cells C stomata D xylem vessels

Accepted Answer

B

Question 8

8 Limewater turns cloudy if a certain gas is bubbled through it. Why will the limewater look different when expired air rather than inspired air is bubbled through it? A Limewater detects oxygen in the inspired air. B Oxygen has been taken from the expired air. C There is less nitrogen in the expired air. D There is more carbon dioxide in the expired air.

Accepted Answer

D

Question 9

9 Which processes require energy in both plants and animals?

as protein temperature
cell division .
synthesis control
A Jv Jv J
B Jv Jv x
Cc Jv x J
D x Jv Jv

Accepted Answer

B

Question 10

10 What happens to adrenaline after it has had its effect? A It is breathed out of the lungs as vapour. B It is destroyed by the liver. C It is egested in the alimentary canal. D It is used in respiration.

Accepted Answer

B

Question 11

11 What are the features of sexual reproduction? number of type of nuclei nature of offspring parents that fuse A 1 diploid genetically dissimilar B 1 haploid genetically identical C 2 diploid genetically identical D 2 haploid genetically dissimilar

Accepted Answer

D

Question 12

12 Some seeds are left in a warm place in different conditions.

Which seeds will germinate but will be able to grow only for a short time?

ight | Present | present
Al v J J
Bil v J x
cl ov x J
pD| x J J

Accepted Answer

D

Question 13

13 The diagram represents a food chain found in the sea. microscopic plants microscopic animals herring fish mackerel fish red fish cod fish How many consumer levels are there? A 1 B 4 C 5 D 6

Accepted Answer

C

Question 14

14 The apparatus used to remove sand from a mixture of salt and sand is shown. funnel filter paper stirrer water salt and sand beaker 1 beaker 2 The contents of beaker 1 are stirred and then poured into the funnel above beaker 2. What is in beaker 2? A a mixture of an element and a compound B a mixture of two compounds C one compound only D one element only

Accepted Answer

B

Question 15

15 Which row describes an element and a compound? an element a compound A contains more than contains elements one type of atom chemically combined B contains more than contains elements one type of atom mixed together C contains only one contains elements type of atom chemically combined D contains only one contains elements type of atom mixed together

Accepted Answer

C

Question 16

16 The positions of elements P, Q, R, S and T in the Periodic Table are shown. The letters are not the symbols for the elements. I II III IV V VI VII VIII P Q R S T Which element forms an ionic compound with element P? A Q B R C S D T

Accepted Answer

B

Question 17

17 The diagram shows the apparatus used for the electrolysis of lead(II) bromide using inert electrodes X and Y. Lead is formed at electrode Y. lamp electrode X electrode Y lead Which statement about the electrolysis is correct? A A green gas is given off at electrode X. B Electrode Y is the anode. C Only a physical change takes place when a current is passed. D The electrolyte is in the molten state.

Accepted Answer

D

Question 18

18 Which temperature changes occur during exothermic and endothermic reactions? exothermic endothermic A decreases increases B decreases no change C increases decreases D increases no change

Accepted Answer

C

Question 19

19 What is a catalyst? A a substance that decreases the rate of reaction and is chemically changed at the end of the reaction B a substance that decreases the rate of reaction and is chemically unchanged at the end of the reaction C a substance that increases the rate of reaction and is chemically changed at the end of the reaction D a substance that increases the rate of reaction and is chemically unchanged at the end of the reaction

Accepted Answer

D

Question 20

20 Which word equation represents the reaction of an acid with a carbonate? A acid  +  carbonate  →  salt  +  carbon dioxide B acid  +  carbonate  →  salt  +  carbon dioxide  +  water C acid  +  carbonate  →  salt  +  hydrogen  +  water D acid  +  carbonate  →  salt  +  water

Accepted Answer

B

Question 21

21 The results of two tests on a solution of substance R are shown. tests results add aqueous red brown precipitate formed, sodium hydroxide insoluble in excess dilute nitric acid added white precipitate formed followed by silver nitrate solution What is R? A iron(II) carbonate B iron(III) carbonate C iron(II) chloride D iron(III) chloride

Accepted Answer

D

Question 22

22 A soft metal reacts vigorously with cold water. What is the position of this metal in the Periodic Table? A B C D

Accepted Answer

A

Question 23

23 W, X, Y and Z are four metals. W forms a compound that is used to speed up chemical reactions. X forms coloured compounds. Y has a high melting point. Z has a low density. Which metals are transition elements? A W, X and Y B W and X only C X, Y and Z D Y and Z only

Accepted Answer

A

Question 24

24 Which element does not produce a gas when added to dilute hydrochloric acid? A copper B iron C magnesium D zinc

Accepted Answer

A

Question 25

25 Which processes are used in the purification of the water supply? A fractional distillation and chlorination B fractional distillation and crystallisation C filtration and chlorination D filtration and crystallisation

Accepted Answer

C

Question 26

26 Which reaction involves combustion? A calcium carbonate  →  calcium oxide  +  carbon dioxide B methane  +  oxygen  →  carbon dioxide  +  water C sodium carbonate  +  hydrochloric acid  →  sodium chloride  +  water  +  carbon dioxide D sodium hydroxide  +  hydrochloric acid  →  sodium chloride  +  water

Accepted Answer

B

Question 27

27 Which fuel is not obtained from petroleum? A coal B gasoline C diesel D refinery gas

Accepted Answer

A

Question 28

28 It takes 2.0 hours for a car to travel 50 km. Which calculation gives the average speed of the car? 50  m / s A 2.0 2.0  m / s B 50 50 000 C m / s (2.0 × 60 × 60) (2.0 × 60 × 60) D m / s 50 000

Accepted Answer

C

Question 29

29 A bottle full of oil has a mass of 1200 g. The same bottle when empty has a mass of 450 g. The volume of the oil is 1000 cm3. What is the density of the oil? A 0.45 g / cm3 B 0.75 g / cm3 C 1.2 g / cm3 D 1.3 g / cm3

Accepted Answer

B

Question 30

30 A motor is used to lift identical bags of flour between two floors in a windmill. The power output of the motor is doubled. Which statement about the journey of the bags of flour between the two floors is now correct? A The bags gain half as much potential energy. B The bags gain twice as much potential energy. C The bags travel at half the speed. D The bags travel at twice the speed.

Accepted Answer

D

Question 31

31 Which row describes the particles in a gas? average distance motion of particles between particles A large move randomly B large vibrate about a fixed point C small move randomly D small vibrate about a fixed point

Accepted Answer

A

Question 32

32 Benzene and glycerine are two substances. The table gives the melting point and the boiling point of benzene and of glycerine. melting point / °C boiling point / °C benzene 5.4 80 glycerine 18 290 At which temperature are both benzene and glycerine liquid? A 0 °C B 50 °C C 90 °C D 300 °C

Accepted Answer

B

Question 33

33 Convection is one method by which energy can be transferred thermally through a substance. In which state(s) can convection occur? A liquids and gases only B liquids only C solids and gases only D solids, liquids and gases

Accepted Answer

A

Question 34

34 A student vibrates the end of a horizontal rope and sends a wave along the rope. The wave is shown in the diagram. wave direction 5.0 cm 40 cm What is the amplitude of the wave, and what is the wavelength of the wave? amplitude / cm wavelength / cm A 5.0 10 B 5.0 20 C 10 10 D 10 20

Accepted Answer

B

Question 35

35 The diagram shows rays of light passing through a converging lens. Which labelled arrow represents the focal length of the lens? B C A D

Accepted Answer

D

Question 36

36 The diagram shows part of the electromagnetic spectrum. X-rays P visible light Q microwaves Which row shows the missing types of radiation at P and at Q? at P at Q A infra-red radio waves B infra-red ultraviolet C ultraviolet infra-red D ultraviolet radio waves

Accepted Answer

C

Question 37

37 A boy stands 132 metres in front of a vertical cliff. He claps his hands and then hears an echo from the cliff. The speed of sound in air is 330 m / s. What is the time between the boy clapping his hands and hearing the echo? A 0.40 s B 0.80 s C 1.25 s D 2.50 s

Accepted Answer

B

Question 38

38 A battery is connected to a resistor. current Which changes to the resistance of the resistor, and to the potential difference across the resistor, must produce a smaller current? potential resistance difference A decrease decrease B decrease increase C increase decrease D increase increase

Accepted Answer

C

Question 39

39 An electrically charged student produces soap bubbles. When he holds his hand near the bubbles, they move away quickly from his hand. electrically charged soap bubbles student move away quickly insulator For this movement of the bubbles to happen, which statement is correct? A The bubbles must be negatively charged. B The bubbles must be positively charged. C The bubbles must have the opposite charge to the charge on the student. D The bubbles must have the same charge as the charge on the student.

Accepted Answer

D

Question 40

40 The diagram shows two resistors in a circuit with three ammeters P, Q and R. Ammeter P reads 6.0 A. A R 6.0 A A P Q A Which row gives the reading on ammeter Q and the reading on ammeter R? ammeter Q ammeter R / A / A A 3.0 0 B 3.0 3.0 C 4.0 2.0 D 6.0 6.0

Accepted Answer

D

Question paper16 pages

Mark scheme2 pages

Questions as text

Q1 · What are the characteristics of living organisms?

Q2 · The diagram shows an animal cell

Q3 · Which statement about diffusion is correct?

Q4 · The diagram shows the effect of increasing temperature on an enzyme-controlled reaction…

Q5 · The diagram shows a section through part of a leaf as seen under a light microscope

Q6 · The diagram shows a section through the human heart

Q7 · Where does most water enter a plant?

Q8 · Limewater turns cloudy if a certain gas is bubbled through it

Q9 · Which processes require energy in both plants and animals?

Q10 · What happens to adrenaline after it has had its effect?

Q11 · What are the features of sexual reproduction?

Q12 · Some seeds are left in a warm place in different conditions

Q13 · The diagram represents a food chain found in the sea

Q14 · The apparatus used to remove sand from a mixture of salt and sand is shown

Q15 · Which row describes an element and a compound?

Q16 · The positions of elements P, Q, R, S and T in the Periodic Table are shown

Q17 · The diagram shows the apparatus used for the electrolysis of lead(II) bromide using inert…

Q18 · Which temperature changes occur during exothermic and endothermic reactions?

Q19 · What is a catalyst?

Q20 · Which word equation represents the reaction of an acid with a carbonate?

Q21 · The results of two tests on a solution of substance R are shown

Q22 · A soft metal reacts vigorously with cold water

Q23 · W, X, Y and Z are four metals

Q24 · Which element does not produce a gas when added to dilute hydrochloric acid?

Q25 · Which processes are used in the purification of the water supply?

Q26 · Which reaction involves combustion?

Q27 · Which fuel is not obtained from petroleum?

Q28 · It takes 2.0 hours for a car to travel 50 km

Q29 · A bottle full of oil has a mass of 1200 g

Q30 · A motor is used to lift identical bags of flour between two floors in a windmill

Q31 · Which row describes the particles in a gas?

Q32 · Benzene and glycerine are two substances

Q33 · Convection is one method by which energy can be transferred thermally through a substance

Q34 · A student vibrates the end of a horizontal rope and sends a wave along the rope

Q35 · The diagram shows rays of light passing through a converging lens

Q36 · The diagram shows part of the electromagnetic spectrum

Q37 · A boy stands 132 metres in front of a vertical cliff

Q38 · A battery is connected to a resistor

Q39 · An electrically charged student produces soap bubbles

Q40 · The diagram shows two resistors in a circuit with three ammeters P, Q and R

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