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
36. How does nasal cavity filter the dust particles from the air?
A. With the help of fine hairs and mucous
B. With the help of fine mucous
C. With the help of fine bridge
D. With the help of fine trachea
Answer:
A. With the help of fine hairs and mucous
37. The nasal cavity opens into the:
A. Pharynx
B. Larynx
C. Oral cavity
D. Alveoli
Answer:
A. Pharynx
38. Pharynx extends to the opening of:
A. Oesophagus and Larynx
B. Stomach
C. Liver
D. Kidney
Answer:
A. Oesophagus and Larynx
39. What is true about glottis?
A. a narrow opening at the floor of pharynx which leads into larynx
B. a wide opening at the oral cavity
C. a narrow opening at the end of the tongue
D. a narrow opening at floor of larynx
Answer:
A. A narrow opening at the floor of pharynx which leads into larynx
40. Which is a box like structure and made up of cartilage?
A. Oral cavity
B. Pharynx
C. Nostrils
D. Larynx
Answer:
D. Larynx
