PTS Biology Mcqs Online Test 6

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

From right ventricle blood is pushed into?

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

Operculum is present in?

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

The heart is enclosed in a membrane called?

Biometry is the application of_______ in biology?

Biological organization is?

Communities are ________ collection of organisms?

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