NCERT Exemplar Solutions Class 9 Science Solutions for Why Do We Fall ill ? - Exercise in Chapter 13 - Why Do We Fall ill ?

Question 2 Why Do We Fall ill ? - Exercise

Which one of the following is not a bacterial disease?

(a) Cholera

(b) Tuberculosis

(c) Anthrax

(d) Influenza


The answer is (d) Influenza


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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