Biology : Practice Questions and Answers

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

The fusion of the egg and the sperm is called ...

Budding is found in

The stage when all the body parts can be identified is known as ...

The animals which lay eggs are known as ...

The female gametes are called ...

The male gametes are called ...

During a cell division

The female gametes are produced by?

The transformation of the larva into an adult through drastic changes is called

The fusion of male and female gametes that takes place outside the body of the female is called ...

The animals which give birth to young ones are known as ...