Class 11 Biology · Chapter 10 · Test 1
Respiratory Tract and Lungs
54 MCQs. This part covers external respiration, the properties of the respiratory surface, and the upper respiratory tract (nasal cavity, pharynx, larynx). It also covers the lower respiratory tract (trachea, bronchi, bronchioles, alveoli and lungs), along with the related exercise MCQs.
54 questions · 40 min · 54 marks
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Sample questions
The first 5 of 54. Try each one, then tap to see the answer.
Question 1
Cellular respiration includes which processes?
- AGlycolysis, Krebs cycle and electron transport chain
- BDigestion and absorption
- CTranspiration and translocation
- DOsmosis and diffusion only
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Answer: A
Cellular respiration consists of glycolysis the Krebs cycle and the electron transport chain.
Question 2
The uptake of oxygen from the environment and disposal of carbon dioxide at the body system level is called:
- AExternal respiration
- BCellular respiration
- CGlycolysis
- DFermentation
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Answer: A
The term external respiration is used for oxygen uptake and carbon dioxide disposal at the body system level.
Question 3
External respiration involves breathing and the exchange of gases in the:
- ACapillaries
- BKidneys
- CLiver
- DStomach
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Answer: A
It involves breathing and the exchange of oxygen and carbon dioxide in the capillaries.
Question 4
The main organs of the respiratory system are the:
- ALungs
- BKidneys
- CHeart
- DLiver
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Answer: A
The main organs are the lungs which provide a suitable respiratory surface.
Question 5
The area where actual gas exchange occurs between the environment and blood is the:
- ARespiratory surface
- BLarynx
- CPharynx
- DTrachea
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Answer: A
Respiratory surface is the area where actual gas exchange occurs.
More tests in Human Respiratory System
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