Class 10th Biology Chapter No.1 GASEOUS EXCHANGE Quiz MCQs Online Quiz
All MCQs Selected from Old Papers and Matric Book
Best MCQs for Board Exams
Total MCQs ( in this Quiz ) = 50
1. The process of gaseous exchange involves…
A. Breakdown of C-H bonds to yield energy
B. Physical movements that take air in and out of body
C. Getting oxygen from the air and removing carbon dioxide
D. Transport of oxygen by the blood to different parts of the body
Answer:
C. Getting oxygen from the air and removing carbon dioxide
2. Most of the gaseous exchange in a leaf occurs through;
A. Stomata
B. General surface
C. Cuticle
D. Lentiels
Answer:
A. Stomata
3. How many bronchi are there in the air passageway?
A. ONE
B. TWO
C. MANY
D. NONE
Answer:
A. ONE
4. Where does the gaseous exchange occur in humans?
A. Pharynx
B. Trachea
C. Bronchi
D. Alveoli
Answer:
D. Alveoli
5. Which structure actively helps in taking the air out of lungs?
A. Nasal cavity
B. Bronchus
C. Bronchiole
D. Diaphragm
Answer:
D. Diaphragm
