PTS Biology Mcqs Online Test 6

Biological organization is?

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

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

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

From right ventricle blood is pushed into?

Biometry is the application of_______ in biology?

Operculum is present in?

The heart is enclosed in a membrane called?

Communities are ________ collection of organisms?

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