Sec 4 NA Sci Bio 2015 TYS MCQ
Quiz by HAO YI
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- Q1
What is the shape of a human red blood cell?
bioconcave disc
rectangular
spherical
cylindrical
60s - Q2
The d
Which structure is an organ and which structure is a tissue?
A
B
C
D
60s - Q3
The diagram represents three animal cells, P, Q and R.
Each cell has oxygen molecules both inside and outside of the cell.
Oxygen molecules move into and out of the cells by diffusion.
Which row gives the direction of movement of the oxygen molecules for each cell?
A
B
C
D
60s - Q4
The four symbols represent different small molecules which can link up to form larger molecules.
Which large molecule is a protein?
A
B
C
D
60s - Q5
Which organ breaks down alcohol?
gall bladder
pancreas
liver
ileum
60s - Q6
The diagram shows a test-tube at the start and at the end of an enzyme experiment.
At the end of the experiment, the mixture in the test-tube is more acidic than at the start of the experiment.
Which row correctly identifies the enzyme and its substrate?
A
B
C
D
60s - Q7
The diagram shows the human alimentary canal.
Which row shows the route of food through the alimentary canal?
A
B
C
D
60s - Q8
The diagram shows an experiment that has been in light of several hours.
Compared with atmospheric air, the gas collected at X has
more carbon dioxide.
more oxygen.
more nitrogen.
the same composition.
60s - Q9
Plants make carbohydrates by carrying out photosynthesis in leaves.
Which part of a leaf is concerned in moving carbohydrates out of the leaf?
stomata
chloroplasts
mesophyll cells
vascular bundles
60s - Q10
Which row states the function of the xylem and of the phloem in a flowering plant?
A
B
C
D
60s - Q11
Four root hair cells are placed in water for one hour.
At the start of the experiment, the internal concentration is the same in all four cells.
Which root hair cell will absorb the most water?
60s - Q12
The diagram shows a section through the human heart.
Which route is followed by blood entering at X?
A
B
C
D
60s - Q13
Why do arteries have thick muscular walls?
to allow the valves to operate
to resist the pressure caused by the heart
to allow exchange of materials between the blood plasma and tissue fluid
to generate friction to slow the movement of blood
60s - Q14
The diagram shows the blood system of a mammal.
Which organ does the part labeled X represent?
heart
lungs
liver
kidneys
60s - Q15
Which word equation represents anaerobic respiration in muscles?
glucose + oxygen carbon dioxide + water + energy
glucose lactic acid + carbon dioxide + energy
glucose lactic acid + energy
glucose + oxygen lactic acid + water + energy
60s
