Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Sexually transmitted disease is also called as:

The larva of Ascaris undergoes the migration in which of the following course:

Loss of a single chromosome produces a condition called.

Choose correct sentence.

Which of the following is a non specific defence system of the body-

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from:

Biopiracy of Indian plant by USA is:

First bioinsecticide developed on commercial scale was:

Being all mammals, whale, dolphins, bat, monkey and horse have some common characters but they also show conspicuous differences. This is due to phenomenon of:

There are some special types of cells found in the seminiferous tubules, known as Sertoli cells. These are _____.