Process of Respiration

Q. Choose the odd one out in each of the following groups of four items each:

(e) Oxyhaemoglobin, carbaminohaemoglobin, Hypoxia, Carboxyhemoglobin.

Q.

Most of the oxygen that enters the human body is taken in through the________.

1. Bronchi

2. Trachea

3. Epiglottis

4. Nostrils

Q.

Which among the following is a function of blood?

1. Delivering oxygen to all parts of the body.

2. Delivering nutrients to all parts of the body.

3. Delivering carbon dioxide to the lungs.

4. Delivering electric messages to all parts of the body.

Q.

Long answer questions.
How does the exchange of respiratory gases take place in the alveolus?

Q. The normal range of breathing rate per minute in an average adult at rest is:

1. 9–12
2. 15–18
3. 21–24
4. 30–33

Q. During inhalation and exhalation which of the following is seen

1. Ribs move up and outward, diaphragm moves down
2. Ribs move down and inwards, diaphragm moves up
3. Ribs move down and outwards, diaphragm moves down
4. Ribs move up and inwards, diaphragm moves down

Q. Percentage of methane present in biogas is

1. 75%
2. 60%
3. 50%
4. 43 - 45%

Q.

What is the function of oxygen in cells and engines?

1. Oxygen is used to derive energy.

2. Oxygen is used to burn (break) energy rich chemicals.

3. Oxygen is needed to transport usable energy.

4. Oxygen is needed to store energy.

Q. During inhalation, the diaphragm is ________.

1. Upwards
2. Dome-shaped
3. Normal
4. Flattened