Sec 4 NA Sci Bio TYS MCQ 2018 Set B
Quiz by HAO YI
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- Q1
What is the function of the cell wall?
carry out photosynthesis
prevent molecules moving into and out of the cell
support and strengthen the cell
store and pass on cell information
60s - Q2
The diagram shows a section through a leaf.
Which structure is an organ and which structure is a tissue?
A
B
C
D
60s - Q3
The diagram shows an experiment about diffusion.
The same sugar is used to prepare sugar solution X and the 20% sugar solution.
More sugar diffuses out of the bag than diffuses in.
What is the concentration of sugar in solution X at the start of the experiment?
30%
40%
20%
10%
60s - Q4
Glycogen is a large molecule made up of small units.
Which diagram represents part of a glycogen molecule?
A
B
C
D
60s - Q5
A food substance is tested with three reagents. The results of the tests are shown.
- iodine solution gives a blue-black colour
- the biuret test gives a violet colour
- the ethanol test gives an emulsion
What does this food substance contain?
A
B
C
D
60s - Q6
What is a role of the liver?
changing urea into amino acids
breaking down alcohol to form lipase
converting glycogen to glucose
producing lipase to convert fats to glycerol
60s - Q7
A healthy student has 5 units of glucose in their blood plasma.
After eating a meal the number of units of glucose will increase.
Two hours after the meal a small blood sample is removed from four different blood vessels in the student's body.
Three blood vessels have 8 units of glucose and one has 10 units of glucose.
Which blood vessel as 10 units of glucose?
aorta
hepatic portal vein
pulmonary vein
renal artery
60s - Q8
The diagram shows a section through a leaf.
Which layer on the diagram contains a stomata?
A
B
C
D
60s - Q9
Chlorophyll is a green substance found in the cells of plants.
What is the function of chlorophyll?
It converts oxygen into carbon dioxide.
It converts glucose into energy.
It converts starch into glucose.
It converts light energy into chemical energy.
60s - Q10
Water moves through plant stems. Plant stems contain xylem and phloem.
Which statement is correct?
Water moves through phloem by translocation.
Water moves through xylem by translocation.
Water moves through xylem by transpiration pull.
Water moves through phloem by transpiration pull.
60s - Q11
What is the function of the valves in veins?
to prevent blood flowing backwards
to oxygenate the blood
to pump blood through the veins
to produce red blood cells
60s - Q12
A cause of heart disease is an occlusion.
In which blood vessel does this occlusion occur?
hepatic artery
hepatic vein
coronary vein
coronary artery
60s - Q13
For which process is blood plasma necessary?
transport of glucose to the liver
conversion of fibrinogen to fibrin
transport of starch to the liver
production of antibodies
60s - Q14
A health check was carried out on four 40-year-old males of the same height and weight.
Which male is most at risk of coronary heart disease?
A
B
C
D
60s - Q15
In cigarette smoke, what are the effects of nicotine and carbon monoxide on a person?
A
B
C
D
60s
