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Sec 4 NA Sci Bio TYS MCQ 2022 Set B
Quiz by HAO YI
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Red blood cells transport oxygen.
Which feature of red blood cells ensures a large surface area for absorption of oxygen?
no nucleus
red in colour
flexible
biconcave shape
The descriptions are about different structures found in a cell.
W is where the activity of the cell is controlled.
X is where energy is released.
Y is where photosynthesis take place.
Z is where proteins are synthesised.
Which two structures are the chloroplasts and ribosomes?
Red blood cells transport oxygen.
Which feature of red blood cells ensures a large surface area for absorption of oxygen?
Food tests are carried out on four different foods.
Which row identifies a food containing only protein and fat?
The diagram represents the synthesis of a polypeptide.
Which type of molecule is X?
Digested food molecules are used in cells.
Which word describes this process?
Structure M breaks down alcohol. Structure N produces an enzyme to digest fats.
Which row identifies structures M and N?
Which word equation shows the process occurring in a chloroplast during daylight?
The effect of one factor on the rate of photosynthesis is investigated using this apparatus.
The distance of the lamp from the water plant is changed. All other factors are kept constant during the investigation.
Which factor is being investigated?
The graph shows the rate of water loss from a plant during the day time.
Which change in the weather is a possible cause for the change in the rate of water loss shown between points G and H?
Many plants store food in their roots.
Which statement describes how food enters the roots?
Which substance is involved in blood clotting?
Why do large arteries have thick, elastic walls?
Which row identifies the person at the greatest risk of coronary heart disease?
The chart shows the number of units of carbon monoxide in the blood of three people. Two of the people smoke cigarettes and one does not smoke.
Which statement is correct based on the information in the chart?
Which substances are produced during aerobic respiration?
