1
1 mark
1 markThe blood contains lymphocytes.
What is their purpose?
Transport of hormones
Phagocytosis
Antibody production
Blood clotting
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Blood (Cambridge O Level Biology)
Exam Questions
46 mins11 questions
11 mark
1 markSome components of the blood of a mammal are shown in the image below.
Which row of the table correctly identifies the blood components represented above?
| Â | lymphocyte | phagocyte | platelets |
| A | 4 | 2 | 3 |
| B | 2 | 4 | 3 |
| C | 1 | 2 | 1 |
| D | 2 | 4 | 1 |
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21 mark
What is a difference between the contents of plasma and the contents of tissue fluid?
| Â | plasma | tissue fluid |
| A | dissolved glucose | no dissolved glucose |
| B | less dissolved glucose | more dissolved glucose |
| C | more protein molecules | fewer protein molecules |
| D | no white blood cells | white blood cells |
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11 mark
1 markWhich of the following would be found dissolved in the blood plasma of a human?
Glucose, urea and hormones
Oxygen, urea and starch
Carbon dioxide, hormones and haemoglobin
Carbon dioxide, oxygen and urea
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21 mark
1 markWhich of the following depicts the correct order of stages in the formation of a blood clot?
soluble fibrin → insoluble fibrinogen → blood clot
soluble fibrinogen → insoluble fibrin → blood clot
insoluble fibrin → soluble fibrinogen → blood clot
insoluble fibrinogen → soluble fibrin→ blood clot
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31 mark
Which row describes the functions of the blood components?Â
| Â | plasma | platelets | white blood cells |
| A | antibody formation | clotting | transport of nutrients |
| B | clotting | transport of nutrients | antibody formation |
| C | clotting | antibody formation | transport of nutrients |
| D | transport of nutrients | clotting | antibody formation |
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