Biology Mcqs Online Test 6

The heart is enclosed in a membrane called?

Operculum is present in?

The arrangement of ________ speaks of the division of labour within cell?

Biological organization is?

The number of species of organisms currently known to science is?

In which animal respiratory surface are found in more than one organ?

Biometry is the application of_______ in biology?

From right ventricle blood is pushed into?

Communities are ________ collection of organisms?

What is the branch of biology in which structure and function of tissues are studied?