Biology : Practice Questions and Answers

Wall of Larynx is supported by the cartilage

Bovine tuberculosis is transmitted from cow to man through

Rectal respiration is seen in

Respiratory Quotient is not less than one in

Chlorocruorin is a copper containing blood pigment found in some annelids like Sabell. Its colour in bothoxygenated and deoxygenated states is

2,3 DPG ( Diphospho glycerate ) is an important molecule that compete for Oxygen binding sites ofHemoglobin. It is present in

Plastron is the air bubble carrying respiratory air in the abdomen of

Semilunar cartilage inside the Laryngo tracheal chamber is

Which of the following Hormone is secreted in excess when a person climbing a mountain

Tidal volume in Man is

Partial pressure of Oxygen in the inspired and expired air is respectively

Residual volume of the lung is

Partial pressure of $O_2$ in the inspired air is 156 mm Hg and that of $CO_2$ is

In human beings , partial pressure of carbon dioxide in the inspired and expired air respectively

In cockroach, air enters the body through

In earthworms, the exchange of gases occurs through

Name the gas which is used by white blood cells to kill the invading bacteria

The small openings in the body of a cockroach are called ...............

The air tubes that an insect has are useful for the exchange of ................

Name the organism which breathes through its skin