NTS Biology Mcqs Online Test 6

Operculum is present in?

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

From right ventricle blood is pushed into?

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

Biological organization is?

Biometry is the application of_______ in biology?

The heart is enclosed in a membrane called?

Communities are ________ collection of organisms?

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

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