What is Protozoa?
Answer: A type of
parasite consists of a single cell like unit which is morphologically and
functionally complete. E.g. Endameba hnstolytica.
What are Bacteria (singular –bacterium)?
Answer: Bacteria are prokaryotic microorganism multiply by
binary fission having own metabolic acotivzy.
Many of the them are pathogenic. E.g. Streptococcus pyogen,
staphylococcus aurous etc. What is virus?
Answer: A very tiny sub-cellular microorganism composed of
protein and nucleic acid and cannot grow in extra cellular environment. Most of
them are pathogenic. e.g hepatitis virus, polio virus, etc.
** What is microorganism and Classification of
microorganism?
Answer: The word Micro-organism comes from two Greek words –
(i) Mikros = tiny
(ii) Organ on= living being.
Micro-organism can be defined as very tiny usually microscopic entity
capable carrying on living processes. It is also known as microbes. Example:
protozoa, bacteria, virus, etc.
Classification
of Micro-organism
According to biological character Microorganism can be
classify as-
(a)
Eukaryote. e.g. Algae, fungi protozoa animal
parasite.
(b)
Prokaryote. e.g. Bacteria, Chlamydia,
Mycoplasma, rickettsia.
Sub-cellular. e.g. Virus, prion, virion