Page 130 - Biology Form Two
P. 130
Biology for Secondary Schools
12. Blood circulation is the movement 3. All of the following are found
of blood from the heart to all parts suspended in the plasma except
of the body. Blood circulation in ________.
human beings involves a double (a) red blood cells
circulation system whereby (b) platelets
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there are two cycles, namely the (c) capillaries
pulmonary cycle and systemic (d) white blood cells
cycle. 4. Which of the following is NOT
13. Diseases and disorders of the a disease of the blood circulatory
human circulatory system system?
include high blood pressure, (a) Hypertension
arteriosclerosis, sickle-cell (b) Oedema
anaemia, stroke, coronary
thrombosis, and leukaemia. (c) Arteriosclerosis
14. Blood pressure is measured by (d) Leukaemia
considering the pressure when 5. Which of the following is NOT a
the ventricles contract (systole) way of controlling hypertension?
and the pressure when the auricles (a) Daily exercise
contract (diastole). (b) Reduce stress
(c) Injecting insulin
Revision exercise 5
(d) Maintain a healthy body
Section A weight
Choose the correct answer.
6. Which of the following does NOT
1. Which of the following is NOT a cause cardiovascular disease?
component of blood? (a) Dietary fibre
(a) Erythrocyte (b) Smoking
(b) Platelets (c) Fatty foods
(c) Plasma (d) Lack of exercise
(d) Lymph duct
7. People with blood group O have
2. Which of the following is NOT a ________.
heart valve? (a) antigen B
(a) Tricuspid (b) antigens A and B
(b) Bicuspid (c) antigen A
(c) Pulmonary (d) no antigen
(d) Semilunar
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