PTS Biology Mcqs Online Test 6

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

The heart is enclosed in a membrane called?

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?

Operculum is present in?

Biometry is the application of_______ in biology?

Communities are ________ collection of organisms?

From right ventricle blood is pushed into?

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