Microorganisms Unit No: 02
1) Viruses, bacteria and many fungi is microorganism.
2) Microorganism can only be seen with
equipment called Microscope.
Virus:
3) Virus can only survive inside a
living cell. As they come out of the cell they make crystals like nonliving things.
4) Viruses cause influenza, Measles and hepatitis.
5) Virus caused many diseases in animals like influenza, measles,
chicken-pox, polio, hepatitis, aids etc.
6) Virus also caused many diseases
in plants like destroy their leaves, stems, roots and fruits.
Bacteria:
7) Bacteria are the most abundant living organism of the world.
8) Bacteria cause tuberculosis and cholera.
9) To control the bacterial diseases
medicines called antibiotics are used.
10) Bacteria convert milk into
yogurt.
Bacteria help in baking.
Fungi:
11) Fungi cause ringworm and athlete’s
foot diseases.
12) Fungi are used in baking
industry
on a very large scale.
13) Microscope was invented by Dutch scientist, Antony Van Leeuwenhoek in 1667.
14) Our body has the power to kill infectious organism. This power to control germs is called immunity.
MCQs
Microorganism can only be seen with equipment
called…… NTS PST–P-2----2015
a) Microscope
b) Spectroscope
c) Telescope
d) None of these
The word “micro” means.
a) Medium
b) Very big
c) Very small
d)None of the above
All those tiny organisms that can only be seen under microscope are called……….
a) micro animals
b) microorganisms
c) micro-point
d) none of these
Microorganisms include……..major groups;
a) One
b) Two
c) Three
d) Four
Algae bacteria fungi
by at 2025-02-03 13:55:03