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Worksheets5129/12 June 2017
Total questions: 41
Worksheet time: 1hrs 8mins
The diagram shows a plant cell.
Which labelled structure is a chloroplast?
A
B
C
D
Two different glucose solutions, P and Q, are placed in a beaker on either side of a partially permeable membrane.
The glucose concentration of both solutions is measured at the start and again, after leaving the beaker for one hour.
The results are shown in the graph.
What explains these results?
A Glucose has moved from P to Q through the membrane.
B Glucose has moved from Q to P through the membrane.
C Water has moved from P to Q through the membrane.
D Water has moved from Q to P through the membrane.
Amylase is an enzyme important in seed germination.
What is the function of amylase in seed germination?
A It breaks the testa so the plumule can emerge.
B It causes the radical to elongate.
C It changes the stored starch into sugars for respiration.
D It helps the seed absorb water to rehydrate the cells.
Which row describes the functions of chloroplasts, stomata and vascular bundles in a plant?
A
B
C
D
A person eats some sugary food, and then does not clean their teeth. Over the next hour, samples of their saliva are taken and the pH of the samples measured. The graph shows the results. At which point on the graph are bacteria producing most acid?
A
B
C
D
A student wrote some notes about the functions of phloem and xylem.
1 Phloem transports sugars up and down the stem.
2 Phloem transports starch to growing leaves.
3 Xylem transports water and mineral salts.
4 Xylem transports water down the stem.
Which statements are correct?
A 1, 2 and 3
B 1 and 3 only
C 2, 3 and 4
D 3 and 4 only
Which combination of factors is most likely to prevent coronary heart disease?
A no smoking, high fat diet, little exercise
B no smoking, low fat diet, lots of exercise
C heavy smoking, high fat diet, lots of exercise
D heavy smoking, low fat diet, little exercise
What is produced by anaerobic respiration in a muscle cell during exercise?
A carbon dioxide and lactic acid
B carbon dioxide and water
C carbon dioxide only
D lactic acid only
Which row correctly shows what is excreted from the lungs and the kidneys?
A
B
C
D
The graph shows how the diameter of the pupil of a person’s eye changes during the course of two minutes.
What happens to the light intensity and the pupil diameter immediately after time X?
A
B
C
D
Which statement about drugs is correct?
A They affect chemical reactions in the body.
B They are produced in the body.
C They can be treated with antibiotics.
D They never cause withdrawal symptoms.
Which human activity has caused most damage to tropical rain forests?
A burning fossil fuels
B flooding of land
C logging for timber
D searching for medicinal plants
The flower of a particular species of plant normally has both stamens and carpels.
Sometimes a flower develops extra petals in place of stamens.
What is one consequence of this?
A The flower will attract fewer pollinating insects.
B The flower will not be able to pollinate other flowers.
C The flower will not be able to produce seeds.
D The flower will photosynthesise less.
Solution X contains one or more of three substances P, R or S.
Two chromatograms, to compare X with each of the three substances, are obtained using
different solvents.
The results are shown.
What does X contain?
A P only
B R only
C P and R
D R and S
Which row describes the movement and arrangement of particles in a solid crystal such as sodium chloride?
A
B
C
D
Which electronic structure represents a fluorine atom?
A particle has 10 electrons, 7 protons and 8 neutrons.
What is the symbol for the particle?
A N3–
B O2–
C F–
D Ne
Covalent compounds and ionic compounds have different physical properties.
Which statement about covalent compounds is not correct?
A They are more soluble in water than ionic compounds.
B They are more volatile than ionic compounds.
C They do not conduct electricity in the liquid state.
D They have lower melting points than ionic compounds
When methane is passed over heated copper oxide, copper, water and carbon dioxide are produced.
What is the balanced equation?
Copper sulfate is prepared by reacting dilute sulfuric acid with solid copper oxide.
Why is excess copper oxide used?
A to help copper sulfate crystals to form
B to make sure that all of the sulfuric acid reacts
C to make sure that all of the copper oxide reacts
D to speed up the reaction
Caesium, Cs, is a Group I metal.
Which statement about caesium is not correct?
A It has a higher melting point than lithium.
B It has one electron in its outer shell.
C It reacts vigorously with water.
D It reacts with chlorine to form CsCl.
Platinum is a metal.
Which statements about platinum are correct?
1 It can be hammered into shape.
2 It conducts heat.
3 It has a low boiling point.
4 It is shiny.
5 It is strong.
A 1, 2, 3 and 4
B 1, 2, 3 and 5
C 1, 2, 4 and 5
D 2, 3, 4 and 5
Four metals, W, X, Y and Z, are tested with water, steam and dilute hydrochloric acid. The results are shown.
W does not react with cold water or steam and only reacts slowly with dilute hydrochloric acid.
Z reacts slowly with cold water, reacts moderately fast with steam and reacts rapidly with dilute hydrochloric acid.
Y reacts vigorously with cold water.
X does not react with cold water, reacts very slowly with steam and reacts moderately fast with dilute hydrochloric acid.
What is the order of reactivity of the metals?
A
B
C
D
Substances P and Q are formed during the complete combustion of petrol, in a car engine.
P is acidic and turns limewater cloudy.
Q is poisonous gas.
What are P and Q?
A
B
C
D
How many of each type of bond are present in the structure of ethanol, C2H6O?
A
B
C
D
Which structure represents an unsaturated hydrocarbon?
Ethene reacts with steam to produce ethanol.
Which type of reaction occurs?
A addition
B decomposition
C fermentation
D neutralisation
Which instrument is used to measure the volume of an irregularly shaped object?
A a measuring cylinder
B a metre rule
C a micrometer
D vernier calipers
What describes the density of a material?
A the amount of matter in the material
B the mass per unit volume of the material
C the pull of gravity on the material
D the volume per unit mass of the material
The diagrams show forces applied to objects to cause a turning effect (moment).
What is the correct order for the size of the moments produced by the forces?
A
B
C
D
Four people run up the same steps.
Which person produces the largest power?
A
B
C
D
In order to create a scale of temperature, two fixed points are needed.
What are the fixed points for the Centigrade scale?
A
B
C
D
At regular intervals along a railway line there is a gap between the rail sections.
What is the reason for the gap?
A to allow for expansion of the rail sections during hot weather
B to allow for vibrations of the rail sections as the train passes over them
C to allow rain water to drain from the rail sections
D to keep the wheels of the train and carriages on the rail sections
The frequency of a v.h.f. radio transmitter is 2.0 × 108 Hz.
The speed of the waves is 3.0 × 108 m / s.
What is the wavelength?
A 0.67 m
B 1.5 m
C 1.0 m × 108 m
D 6.0 m × 1016 m
How do the frequencies and wavelengths of radiowaves compare with those of X-rays?
A
B
C
D
A 12 V lamp uses a current of 2 A.
What is the resistance when the lamp is working correctly?
A 6 Ω
B 10 Ω
C 14 Ω
D 24 Ω
Four ammeters are connected in the circuit shown.
One ammeter is faulty and does not give the correct reading.
Which ammeter is faulty?
A
B
C
D
What is an example of induced magnetism?
A a compass needle pointing north
B a north pole attracting iron filings
C a north pole repelling a north pole
D a negatively charged balloon attracting small pieces of paper
Which graph shows how the voltage output from a simple a.c. generator varies with time?
Which source emits radiation that passes through thick paper and could be considered to have a constant activity over ten years?
A an alpha source with a half-life of 140 days
B an alpha source with a half-life of 400 000 years
C a beta source with a half-life of 6000 years
D a gamma source with a half-life of six hours
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