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Human Physiology-Breathing and Respiration [AIIMS (All India Institute of Medical Sciences) Biology]: Questions 1 - 4 of 13
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Question 1
Question MCQ▾
The exchange of gases in the alveoli of the lungs takes place by
Choices
Choice (4) | Response | |
---|---|---|
a. | Simple diffusion | |
b. | Osmosis | |
c. | Active transport | |
d. | Passive transport |
Question 2
Question MCQ▾
Oxyhemoglobin is an unstable compound because
Choices
Choice (4) | Response | |
---|---|---|
a. | One molecule of hemoglobin combines with four molecules of oxygen. | |
b. | There is a chemical bounding between oxygen and hemoglobin. | |
c. | Hemoglobin is a complex pigmented protein. | |
d. | There is a physical bounding between oxygen and hemoglobin. |
Question 3
Question MCQ▾
In man and mammals, air passes from outside into the lungs through
Choices
Choice (4) | Response | |
---|---|---|
a. | Nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli. | |
b. | Nasal cavity, larynx, pharynx, trachea, bronchioles, bronchi, alveoli. | |
c. | Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli. | |
d. | Nasal cavity, larynx, pharynx, trachea, bronchi, alveoli. |
Question 4
Question MCQ▾
During strenuous exercise, which of the following change occurs?
Choices
Choice (4) | Response | |
---|---|---|
a. | Glucose is converted into glycogen. | |
b. | Pyruvic acid is converted into lactic acid. | |
c. | Starch is converted into glucose. | |
d. | Glucose is converted into pyruvic acid. |