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NCERT Exemplar Solutions Class 9 Science Solutions for Why Do We Fall ill ? - Exercise in Chapter 13 - Why Do We Fall ill ?
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Which one of the following is not a bacterial disease?
(a) Cholera
(b) Tuberculosis
(c) Anthrax
(d) Influenza
Answer:
The answer is (d) Influenza
Explanation:
Cholera is caused by Vibrio cholera bacterium
Tuberculosis is caused by Mycobacterium tuberculosis bacteria
Anthrax is caused by Bacillus anthracis bacteria.
Influenza is caused by the Influenza virus hence option d) is the right answer.
Video transcript
"hello everyone welcome to leader
learning
i am gurpreet your science tutor
today's question is which one of the
following
is not a bacterial disease
a cholera b tuberculosis
c anthrax and d influenza
so here four options have been given to
you
and we have to find out that
which option is not a bacterial
disease so let's start analyzing the
options
if we take the options a b
and c cholera tuberculosis
and anthrax these are
bacterial diseases
these diseases are caused due to some
specific bacteria so these are
bacterial diseases but
this influenza it is a
viral disease and
it is caused by a
virus caused due to
cause due to virus so
the correct option for this question
will be
option d that is influenza is not a
bacterial disease for more such videos
please subscribe leader learning and for
any doubts drop a comment
thank you"
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