Inspiratory Reserve Volume

Q.

Which of the following correctly explains vital capacity?

1. Total volume of air a person can breathe in after a normal expiration

2. Maximum air which can at any time be held in the two lungs

3. Air that can be drawn in forcibly over and above the tidal air

4. Volume of air that can be taken in and expelled out by maximum inspiration and expiration

Q. Which of the following is a complex permanent tissue?

1. Sclerenchyma
2. Xylem
3. Collenchyma
4. Parenchyma

Q. Explain vital capacity

Q.

Which of the following statements are correct?

(i) Companion cells are present in phloem.
(ii) Xylem transports water and minerals from roots to other parts of the plant.
(iii) Vessels of xylem are present in all plants.
(iv) Both xylem parenchyma and phloem parenchyma have nucleus.

1. (i) and (ii)
2. (i), (ii) and (iv)
3. (i), (ii) and (iii)
4. (i) and (iii)

Q.

The volume of air we take in during coughing is

1. Total Reserve Volume

2. Tidal Volume

3. Inspiratory reserve volume

4. Expiratory reserve volume

Q.

Air that can be drawn in forcibly over and above the normal breath is called

1. Inspiratory reserve volume

2. Tidal Volume

3. Inspiratory capacity

4. Total Respiratory Capacity