List of top Zoology Questions on Respiration

Reason for right side shift of oxygen--haemoglobin dissociation curve is

Accumulation of iron particles in tissues lead to

Choose the mismatched pair regarding cockroach:

Trachea is internally lined by:

Choose the mismatched pair regarding cockroach

Which of the following statements are correct: A. 70% of carbon dioxide is carried as bicarbonate ions in plasma.
B. 7% of carbon dioxide is carried bound to haemoglobin.
C. 1.5% of oxygen is carried in solution in plasma.
D. 98.5% of oxygen is carried bound to haemoglobin.

Volume of air remained in lungs after normal expiration is known as

Consider the following statements:
Assertion (A): In cockroach, 6th abdominal ganglion is the largest ganglion.
Reason (R): It is formed by the fusion of ganglia of 7-10 abdominal segments.
The correct answer is

Turbinals support this part of the nasal chamber

The following are the parts of alimentary canal of cockroach:
I. Colon,
II. Mesenteron,
III. Crop,
IV. Gizzard,
V. Ileum,
VI. Rectum,
VII. Oesophagus
Arrange them in the correct sequence

Volume of air remained in lungs even after forcible expiration:

Consider the following statements Assertion (A): Respiratory system of cockroach is polypneustic type. Reason (R): All spiracles are functional. The correct answer is

In cockroach, inspiration takes place through:

Assertion (A): During inspiration, the rib cage and sternum lift up, causing an increase in the volume of the thoracic cavity in the dorso-ventral axis.
Reason (R): Due to relaxation of the diaphragm muscles, the volume of the thoracic cavity increases.

Assertion (A): Pneumaticity of bones is the unique feature of reptiles.
Reason (R): Air sacs associated with lungs of birds facilitate continuous oxygenation of blood.

The amount of air that moves into the lungs with each normal inspiration is known as