Biology Mcqs Online Test 6

The heart is enclosed in a membrane called?

Operculum is present in?

Biological organization is?

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

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

From right ventricle blood is pushed into?

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

Communities are ________ collection of organisms?

Biometry is the application of_______ in biology?

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