Vegetative Propagation — BIOLOGY STD 9 — Question

What was the contribution of the Schwann to our knowledge of cells?

Name the following:
Growing regions which cause increase in girth of the plant body

Define:
Ligaments

Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Monkey - External ear, sweat glands, lateral line.

Write the full forms of: HIV

Name the following:
Germ of germ-substance introduced into the body to prevent occurrence of an infectious disease.

Name the pigment which imparts skin its colour.

The category of germs which causes rabies, small pox and mumps

What is a pathogen?

Name the following branches of biology.
Study of causes of immunity (resistance to or defence against disease).