Biology Mcqs Online Test 6

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

Operculum is present in?

The heart is enclosed in a membrane called?

Biometry is the application of_______ in biology?

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

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

From right ventricle blood is pushed into?

Biological organization is?

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

Communities are ________ collection of organisms?