Biology Mcqs Online Test 6

The heart is enclosed in a membrane called?

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

Biological organization is?

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

Communities are ________ collection of organisms?

Operculum is present in?

From right ventricle blood is pushed into?

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?