Biology Mcqs Online Test 6

Communities are ________ collection of organisms?

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

Operculum is present in?

The heart is enclosed in a membrane called?

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?

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

Biometry is the application of_______ in biology?

Biological organization is?

From right ventricle blood is pushed into?