10th Class Chapter No.1
Biology MCQs Online Quiz
All MCQs Selected from Old Board Papers
Best MCQs for Board Examination
Total MCQs ( in this Quiz ) = 50
86. The percentage of respiratory disorders is particularly high in:
A. Pakistan
B. America
C. India
D. England
Answer:
A. Pakistan
87. Why is the rate of respiratory disorder high in Pakistan?
A. due to pure air
B. due to advance technologies which control pollution
C. due to low concentration of air pollutants in rural and urban atmosphere
D. due to low concentration of air pollutants in rural and urban areas
Answer:
D. due to low concentration of air pollutants in rural and urban areas
88. Inflammation of bronchi or bronchioles is known as:
A. Bronchitis
B. Pneumonia
C. Cough
D. Flu
Answer:
A. Bronchitis
89. Bronchitis is a disease of which of the following organ?
A. blood
B. bladdar
C. liver
D. respiratory tract
Answer:
D. respiratory tract
90. Bronchitis is caused by:
A. viruses, bacteria or exposure to chemical irritants (e.g. tobacco, smoke)
B. stale food
C. contaminated water
D. mosquito bite
Answer:
A. viruses, bacteria or exposure to chemical irritants (e.g. tobacco, smoke)
