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
31. In how many parts we can divide respiratory system?
A. 2 parts
B. 6 parts
C. 3 parts
D. 7 parts
Answer:
A. 2 parts
32. What is the respiratory system?
A. The body’s breathing system
B. The body’s system of nerves
C. The body’s food processing system
D. The body’s blood transporting system
Answer:
A. The body’s breathing system
33. The nose encloses a:
A. buccal cavity
B. nasal cavity
C. bronchi
D. pharynx
Answer:
B. Nasal Cavity
34. The nasal cavity is divided into two portion:
A. by a wall
B. by a cavity
C. by a fluid
D. by a tube
Answer:
A. by a wall
35. Nasal cavity opens to the outside through the opening is called:
A. oral cavity
B. nostrils
C. pharynx
D. glottis
Answer:
B. Nostrils