Biology Mcqs Online Test 6

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

The heart is enclosed in a membrane called?

Biometry is the application of_______ in biology?

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

Communities are ________ collection of organisms?

From right ventricle blood is pushed into?

Biological organization is?

Operculum is present in?

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

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