Respiratory system

Total Questions: 22

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

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

3 - Asthma is proveked by-----:

A ) Allergy ✅
B ) Fever
C ) Cold
D ) Headache

4 - Insects breathe through----:

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

5 - Frog despires through----:

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

6 - Respiratory problem common in smokers is------:

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

7 - What is the capacity of lung?

A ) 3L
B ) 4L
C ) 5L ✅
D ) 8L

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

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

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

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

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

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

11 - Fish breath through----:

A ) Lungs
B ) Tail
C ) Fins
D ) Gills ✅

12 - Which structure provides the voice sound in humans?

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

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

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

15 - The smile sacs in the lungs where gas exchange occurs are called-----:

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

16 - Which gas regulates the breathing rate in humans?

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

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

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

18 - What are alveoli?

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

19 - What is the function of bronchial tubes?

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

20 - Where do the bronchial tubes spread to?

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

21 - What is the essential for proper lung function?

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

22 - What is a small passages after the bronchial tubes called?

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