OTS Biology Mcqs Online Test 6

Communities are ________ collection of organisms?

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

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

From right ventricle blood is pushed into?

Operculum is present in?

Biological organization is?

Biometry is the application of_______ in biology?

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

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

The heart is enclosed in a membrane called?