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Whales and dolphins breathe air through blowholes.

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Important Questions on Blow Hot, Blow Cold

EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
If the number of alveoli in an individual is doubled without changing the total alveolar volume, the gas exchange capacity of the lungs will:
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
A person suddenly starts coughing while swallowing food. This coughing would have been due to improper movement of
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Match the following
  List-I   List-II
(A) Moist body wall (I) Insects
(B) Tracheal system (II) Amphibian larvae
(C) Book lungs (III) Earthworms
(D) Gills (IV) Aves
    (V) Spiders

The correct match is
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Which of the following is not the function of conducting part of respiratory system?
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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Which is the correct sequence of the air passage in man?
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
The unpaired cartilages supporting the wall of larynx are      
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
In jelly fishes, majority of gaseous exchange takes place through the ______.
HARD
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Explain the structure of lungs.
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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Skin is an accessory organ of respiration in
MEDIUM
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Differentiate between right and left lungs.
MEDIUM
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
What is the role of diaphragm in breathing?
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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Define pulmonary respiration.
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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Lungs comprise of
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Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing

Read the following statements and identify the wrong ones among them:

(i) The oral cavity leads into a short larynx, which is a common opening for food and air.

(ii) A cartilaginous flap called “epiglottis” prevents the entry of food into the glottis.

(iii) The duct of the submaxillary gland is called the “Duct of Wirsung”.

(iv) Oesophagus leads into a J-shaped bag-like structure called “stomach”.

EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Lungs have a large number of narrow tubes called:
MEDIUM
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
The pseudostratified columnar epithelium is found in
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
A muscular transverse partition in mammals that separates thorax from the abdomen is called:
MEDIUM
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Oxygen passes into the blood from the alveoli by a process called:
EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing

Observe the diagram showing respiratory system of a man and answer the question that follows:

Label the diagram.

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EASY
Environmental Studies>Physical Science>Blow Hot, Blow Cold>Breathing
Which of the following shows pulmonary respiration?