Page 158 - Biology Form Two

Biology for Secondary Schools

9. Infections and diseases that affect (c) Trachea
the respiratory system include (d) Bronchiole
bronchitis, asthma, pneumonia, 3. The following are infectious
tuberculosis, lung cancer, and diseases that affect the human
FOR ONLINE READING ONLY
coronavirus disease 2019 respiratory system, except ______.
(COVID-19).
(a) pneumonia
10. Quarantine is used for someone (b) common cold
who has been exposed to a (c) tuberculosis
contagious disease but has (d) leukemia

no symptoms. It restrict their
movement to see if they become 4. All of these are respiratory
sick. surfaces, except ______.
(a) gills
11. Isolation is used when someone
has been confirmed to have the (b) lungs

disease. It separates infected (c) leaves
individuals from those who are (d) heart
not infected. 5. Which of the following is

among the products of anaerobic
Revision exercise 6 respiration in plants?
(a) Ethanol
Section A
Choose the correct answer. (b) Lactic acid
1. The following are the (c) Oxygen
characteristics of respiratory (d) Hydrogen
surfaces except ______. 6. Air is warmed and humidified in
(a) thin the nasal passages. This helps to
(b) moist
(c) large surface area _______.

(d) dry (a) prevent infection
(b) decrease sensitivity during
2. Where does exchange of gases
take place in the lungs? breathing
(a) Alveolus (c) prevent damage to the lungs
(b) Bronchus (d) all of the above

152 Student’s Book - Form Two

05/10/2024 15:36:47
BIOLOGY FORM 2 NEW.indd 152 05/10/2024 15:36:47
BIOLOGY FORM 2 NEW.indd 152