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Sec 4 NA Sci Bio TYS MCQ 2014Set B
Quiz by HAO YI
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The diagram shows a cell from a leaf.
Which part of the cell traps light energy for photosynthesis?
A
B
C
D
The table shows features that may be found in cells.
Which is correct for an animal cell?
A
B
C
D
The diagram shows a cell from a leaf.
Which part of the cell traps light energy for photosynthesis?
The table shows features that may be found in cells.
Which is correct for an animal cell?
By which process do oxygen and carbon dioxide move between cells and capillaries?
A food substance is tested with three reagents. The results of the tests are:
- iodine solution gives a blue-black colour
- the biuret test gives a purple colour
- the ethanol test gives an emulsion
What does this food substance contain?
Which substance is used to synthesise proteins?
The diagram shows a blood vessel joining the small intestine to the liver.
Which carbohydrate is found in the blood vessel and which carbohydrate is stored in the liver?
In humans, where does most absorption of digested food take place?
The diagram shows a cross-section through a leaf.
Which layer contains stomata?
Which region in the leaf of a green plant contains the most chloroplasts?
When is the transpiration rate of well-watered plant highest?
Cobalt chloride paper is blue when dry, but turns pink when wet.
Some blue cobalt chloride paper is fastened to the upper and lower surfaces of a leaf on plant X and a leaf on plant Y.
The bar chart shows the time taken for the cobalt chloride paper to turn pink.
Through which leaf surface was water lost most quickly?
The diagram shows a section of the heart.
What is the function of the structure labelled Q?
The diagram shows blood viewed through a microscope.
Which cells help to destroy harmful microorganisms?
Which row shows the direction of blood flow and the oxygen content of the blood in the pulmonary artery?
The graph shows the relationship between lung cancer and the smoking of cigarettes.
Which statement is correct?
The graph shows the variation in the concentration of lactic acid in the muscles of an athlete during and after a 400 m race.
At which point did the race finish?
The diagram shows how the thickness of the lining of the womb changes during the menstrual cycle.
At which point during the menstrual cycle is a woman most likely to become pregnant?
The diagram shows the gametes involved in human reproduction.
What is immediately formed by the fusion of the nuclei of the two gametes?
After fertilisation in humans, a 'ball of cells' is formed.
In which structure is this ball of cells implanted?
The diagram shows reproduction in a potato plant.
Which process is shown?
