Respiratory System

Total Questions: 22

2 - Inhaled air passes through which of the following in the last?

A ) Bronchi
B ) Trachea
C ) Bronchiole
D ) None of these (alveoli) ✅

3 - Asthma is provoked by-----:

A ) Allergy ✅
B ) Fever
C ) Cold
D ) Head ach

4 - Insects breath through------:

A ) Bronchi
B ) Trachea
C ) Spiracles ✅
D ) None of these

5 - Frog respires through------:

A ) Skin ✅
B ) Lungs
C ) Gills
D ) None of these

6 - The respiratory problem common in smokers is-----:

A ) Asthma
B ) Emphysema ✅
C ) Tuberculosis
D ) None of these

7 - What is the capacity of the lung?

A ) 3 L
B ) 4L
C ) 5L ✅
D ) 8L

8 - What is the leading cause of 90% of lung cancer causes?

A ) Cold drinks
B ) Smoking ✅
C ) Water pollution
D ) None of these

9 - How many times does a normal man respire per minute----:

A ) 10 to 15 times
B ) 14 to 18 times ✅
C ) 20 to 25 times
D ) 25 to 30 times

10 - Diaphragm is a thin skeletal muscle in body-----:

A ) Respiratory system ✅
B ) Nervous system
C ) Digestion system
D ) None of these

11 - Fish breath through---:

A ) Gills ✅
B ) Lungs
C ) Skin
D ) Fin

12 - What structure provide the voice sound in human?

A ) Larynx ✅
B ) Pharynx
C ) Trachea
D ) Bronchi

14 - Oxygen moves from the alveoli into the blood by----:

A ) Osmosis
B ) Active Transport
C ) Diffusion ✅
D ) Filtration

15 - Which gas regulates the breathing rate in humans?

A ) Oxygen
B ) Nitrogen
C ) Helium
D ) Carbon dioxide ✅

16 - What is the flap that covers the trachea during the swallowing?

A ) Epiglottis ✅
B ) Pharynx
C ) Larynx
D ) Uvula

17 - What is alveoli?

A ) Small air sacs in the lungs ✅
B ) Outer passages of the lungs
C ) Part of bronchial tubes
D ) Part of blood vessels

18 - What is the function of the bronchial tubes?

A ) To transport air to the lungs ✅
B ) To clean the lungs
C ) To remove blood from the lungs
D ) To repair alveoli

19 - Where do the bronchial tubes spread to?

A ) Alveoli ✅
B ) Outer parts of the lungs
C ) Heart
D ) Blood vessels

20 - What is essential for proper lung function?

A ) The bronchial tubes remaining open ✅
B ) The airflow being blocked
C ) The Alveoli shrinking
D ) The bronchioles being closed

21 - What is the small passages after the bronchial tubes called?

A ) Bronchioles ✅
B ) Alveoli
C ) Bronchial tubes
D ) Air passages

22 - The small air sacs in the lungs where gas exchange occurs are called ---:

A ) Bronchioles
B ) Bronchi
C ) Capillaries
D ) Alveoli ✅