NEET MCQ BIOLOGY

Absolute unit of work is

⚕ A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is :

NEET 2013

In the human eye, there are three types of cones – red blue and green. When these cones are stimulated equally, a sensation for which of the following colors would be produced?

_________ + _________ is considered as genital chamber in female cockroach

ANIMAL KINGDOM -