NEET Zoology Questions: Breathing and Exchange of Gases

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Physics Chemistry Botany Zoology

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Respiration is helpful in

removing waste from the body
producing energy within the body
production of proteins
production of carbohydrates

Respiration, occures in the presence of oxygen is called

Fermentation
Anaerobic respiration
Glycolysis
Aerobic respiration

Which of the following shows pulmonary respiration

Sponge
Fishes
Coelentrate
Human

The trachea is supported by cartilaginous rings which are _______ shaped

C
L
O
S

A lung contains many small ballon like air sacs called

Gas spaces
Alveoli
Bronchi
Bronchioles

The intake of air is called ?

Ventilation
Inhalation
Exhalation
Respiration

Intercoastal muscles regulate the movement of

Ribs
Trachea
Diapharagm
Pharynx

The muscles present between ribs are called

Phrenic muscles
Intercoastal muscles
Cardiac muscles
Voluntary muscles

Respiratory control centres are located in

Lungs
Medulla oblongata
Spinal cord
Ribs

Oxygen containing blood transported from lungs is to heart by

Pulmonary artery
Pulmonary vein
Branchial artery
Renal vein

How much fraction of oxygen is transported to tissues through RBCs?

100%
56%
45%
97%

The metal ion present in haemoglobin is

Iron
Magnesium
Copper
Zinc

How many percentage of CO₂ transport in the form of carbo amino compounds?

70%
90%
5%
20%

The largest amount of CO₂is tranported in blood as

Carbamino compounds
Bicarbonates
Carbonic acid
Carbonate ions

Flattening of alveolar ducts (tracheal vessels) results in

Asthma
Emphysema
Lung cancer
Bronchitis