Quiz
Multiple Choice (science nº1)
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Perguntas do quiz (25)
1Which pair of features is found in plant cells but not in animal cells?
- Acell membrane / cell sap
- Bcell sap / cell wall
- Ccell wall / nucleus
- Dnucleus / cell membrane
2The diagram shows a small part of a plant cell greatly magnified.
Which part controls what enters and leaves the cell?
- AA
- BB
- CC
- DD
3When an enzyme molecule has catalysed a chemical reaction in a cell, what happens to it?
- AIt acts as a catalyst again.
- BIt is denatured.
- CIt is digested.
- DIt is used up by the reaction.
4There are four stages in testing a leaf for starch.
1 soften in hot water
2 stain with iodine
3 boil in alcohol
4 boil in water
What is the correct order for these stages?- A1 / 2 / 3 / 4
- B1 / 4 / 3 / 2
- C3/ 1/ 2/ 4
- D4/ 3/ 1/ 2
5The diagram shows some cells in a leaf of a green plant.
In which layer of cells does most photosynthesis occur?
- AA
- BB
- CC
- DD
6The diagram shows a section through a human tooth.
Which part is made of the hardest material?
- AA
- BB
- CC
- DD
7The pie-charts show the compositions of four different foods.
Which food contains the most energy?
- AA
- BB
- CC
- DD
8The diagram shows apparatus that can be used to demonstrate that the air breathed out by a
person contains more carbon dioxide than the air breathed in.
The person breathes in and out at X.
Where does air enter and leave the apparatus?
- Aair enters at (Y) air leaves at (Y)
- Bair enters at (Y) air leaves at (Z)
- Cair enters at (Z) air leaves at (Y)
- Dair enters at (Z) air leaves at (Z)
9Which cells destroy harmful microorganisms in the blood?
- Agoblet cells
- Bplatelets
- Cred blood cells
- Dwhite blood cells
10The diagram shows part of the human circulatory system.
Which structure carries oxygenated blood?
- AA
- BB
- CC
- DD
11The drawing shows a plant in a container of water. There is a layer of oil on top of the water that
stops the water evaporating. The apparatus weighs 300 g.
After two hours it weighs 296 g.
What is the rate of transpiration?
- A150 g water / hour
- B148 g water / hour
- C4 g water / hour
- D2 g water / hour
12Which organ releases insulin when the blood sugar level is too high?
- Akidney
- Bliver
- Cpancreas
- Dstomach
13The diagram shows a section through a flower
Where do the following occur?
- Apollination 1 fertilisation 2
- Bpollination 2 fertilisation 4
- Cpollination 3 fertilisation 1
- Dpollination 4 fertilisation 3
14Which process takes place when a sperm joins with an ovum?
- Afertilisation
- Bintercourse
- Cmenstruation
- Dsterilisation
15Which diagrams show the bonding in the molecules of nitrogen and ethene?
- A
- B
- C
- D
- A
16The reaction of zinc and sulphur to form zinc sulphide is exothermic.
Which information in the table is correct?
- AA
- BB
- CC
- DD
17Which substance is an ionic compound?
- AA
- BB
- CC
- DD
18Bromine is in the same group of the Periodic Table as chlorine.
What are the colour and formula of hydrobromic acid likely to be?
- AA
- BB
- CC
- DD
19Which equation shows an insoluble base reacting with an acid?
- Abarium chloride + sulphuric acid → barium sulphate + hydrochloric acid
- Bmagnesium oxide + hydrochloric acid → magnesium chloride + water
- Csodium carbonate + hydrochloric acid → sodium chloride + water + carbon dioxide
- Dzinc + sulphuric acid → zinc sulphate + hydrogen
20Flame tests are carried out on calcium chloride and copper (II) chloride.
What are the colours of the flames?- A
- B
- C
- D
- A
21In an experiment, 100 cm3 of dry air are passed over heated copper turnings until there is no
further change in volume (at r.t.p.).
What volume of gas remains?- A89 cm3
- B79 cm3
- C21 cm3
- D11 cm3
22A mixture of copper, magnesium and zinc is added to an excess of dilute sulphuric acid. The
resulting mixture is then filtered.
What is the solid left behind?
- Acopper and magnesium
- Bcopper only
- Cmagnesium and zinc
- Dzinc only
23Which statement best describes how and why drinking water is sterilised?
- A
- B
- C
- D
- A
24In which experiment does the metal act as a catalyst?
- A
- B
- C
- D
- A
25The diagram shows an experiment to investigate the effect of heat on potassium nitrate.
The glowing splint bursts into flame.
What happens to the potassium nitrate when it is heated?
- Atype of reaction = combustion
gas produced = hydrogen - Btype of reaction = combustion
gas produced = oxygen - Ctype of reaction = thermal decomposition
gas produced = hydrogen - Dtype of reaction = thermal decomposition
gas produced = oxygen
- Atype of reaction = combustion
Informações
- Descrição
- COMBINED SCIENCE 0653/01
- Autor
- ahidalgo.maldona
- Idioma
- Español
- Visualizações
- 205
- Etiquetas
- Avaliação
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