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Subjects
Science State Board
Class 8
Microorganisms
Textbook questions
14.
Answer briefly II
Exercise condition:
3
m.
What are antibiotics?
a
. The word "Antibiotic" is derived from the Greek words "anti", which means "
against
in favour of
," and "bios", which means "life".
b
. A substance produced by
living
non-living
organisms that are
toxic
non-toxic
to other organisms is known as an
antigen
antibiotic
.
c
.
Immunoglobulin
Penicillin
is an example of an antibiotic.
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