Hygiene - [A Key to Healthy Life] — BIOLOGY STD 9 — Question

Give the name of the plant that reproduces vegetatively by: Bulbils

Name the nutrients whose deficiencies cause the following diseases in humans:
Goitre

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

What do you mean by prokaryotic cells?

In which branch of biology you learn about fossils?

Give one word/term for the following:
When pollen grains of a flower reach the stigma of the same flower.

Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Fish - Gills, paired fins, ear drum

Define:
Joints

Define the following: Apnea

Define the following: Pathogen