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 ) = 25
111. Which type of chemicals are used in the treatment of asthma?
A. chemicals with ability to dilate bronchi and bronchioles
B. chemicals with ability to constrict bronchi and bronchioles
C. chemicals which fight with infection
D. chemicals having ability to constrict trachea
Answer:
A. chemicals with ability to dilate bronchi and bronchioles
112. Lung cancer is a disease of:
A. controlled cell division
B. simple cell division
C. uncontrolled cell division which produces tumours
D. controlled cell devision which produces excessive mucous
Answer:
C. uncontrolled cell division which produces tumours
113. Which are the symptoms of lung cancer?
A. flu, high temperature
B. stomach disorders
C. shottness of breath, coughing up blood, and weight loss
D. weakness, pale skin
Answer:
C. shottness of breath, coughing up blood, and weight loss
114. The main cause of lung cancer include:
A. un-sterilized syringes
B. carcinogens
C. bacterial infection
D. contaminated water
Answer:
B. carcinogens
115. What does cigratte smoke contain?
A. over 10 known carcinogens
B. over 20 known carcinogens
C. over 30 known carcinogens
D. over 50 known carcinegens
Answer:
D. over 50 known carcinegens
