Respiration In Organisms in Biology : Practice MCQ Questions & Answers with Explanations

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

In cockroaches, air enters the body through ........................

Name the organism that breathes through its lungs as well as its skin .............

During heavy exercise, we get cramps in the legs due to the accumulation of ............

During exhalation the size of the chest cavity ............

To which disease is smoking linked ?

An adult human being at rest breathes in and out for ................. times in a minute

Taking in air rich in oxygen into the body is called _________

Giving out of air rich in carbon dioxide is called ....................

The process of breakdown of food in the cell with the release of energy is called