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Sec 4 Express Sci Bio TYS MCQ 2022 set B
Quiz by HAO YI
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Which row correctly matches cells and organs with their organ system?
A
B
C
D
The diagram shows a cell. This cell is placed into a concentrated salt solution and left for two hours.
Which diagram shows the cell after two hours?
Which row correctly matches cells and organs with their organ system?
The diagram shows a cell. This cell is placed into a concentrated salt solution and left for two hours.
Which diagram shows the cell after two hours?
Four different foods are tested for reducing sugar, fat, protein and starch. The results are shown in the table.
Which row shows the results from a food contains only protein?
Which processes take place in the liver?
1 conversion of glucose to glycogen
2 conversion of glycogen to glucose
3 production of amino acids from urea
4 production of urea from amino acids
Which nutrient forms amino acids when it is digested?
What are the products of photosynthesis?
A cross-section of a plant stem is shown.
Which row identifies the tissue and its function?
What is the function of stomata in a dicotyledonous leaf?
Which blood vessel has a thick muscular wall and carries deoxygenated blood?
Which row shows the net movement of the gases into and out of the blood capillaries of the alveoli?
The diagram shows changes in the concentration of blood glucose during a period of time.
During which period will glucagon be released?
Motor neurones carry impulses between which parts of the nervous system?
Which statement explains why new plants produced by asexual reproduction all look the same?
Which diagram shows the structure of two nucleotides in DNA?
The diagram shows a section from a single strand of DNA.
How many molecules of the base cytosine are found in the double-stranded piece of DNA?
In the pyramid diagrams, which pair indicate the correct proportions for a tree and its animal population in a food chain?
The diagram shows a section of the carbon cycle.
Which arrow represents respiration?
Water pollution by sewage can lead to which environmental changes?
1 increase in algal growth
2 increase in bacteria
3 increase in oxygen concentration
