PTS Biology Mcqs Online Test 6

Biometry is the application of_______ in biology?

Operculum is present in?

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

Biological organization is?

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

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?

The heart is enclosed in a membrane called?

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