MEDIUM
9th CBSE
IMPORTANT
Earn 100

Whooping cough is caused due to?
(a)Bacillus anthracis
(b)Bordetella pertussis
(c)Salmonella typhi
(d)Clostridium tetani

50% studentsanswered this correctly

Important Questions on Why Do We Fall Ill?
MEDIUM
9th CBSE
IMPORTANT
Plasmodium causes which disease?

MEDIUM
9th CBSE
IMPORTANT
Which is an airborne disease?

MEDIUM
9th CBSE
IMPORTANT
Which disease is transmitted due to louse?

EASY
9th CBSE
IMPORTANT
Which of the following is the 1st cell to reach the site of infection?

EASY
9th CBSE
IMPORTANT
If a person encounters _____once in life, he develops immunity against it for a lifetime.

EASY
9th CBSE
IMPORTANT
In which disease the virus enters respiratory tract and affects epithelial lining of mucus membrane?

MEDIUM
9th CBSE
IMPORTANT
Headache, nausea followed by hydrophobia develops in _____.

EASY
9th CBSE
IMPORTANT
In _____ disease the virus enters the CNS and destroys motor nerve leading to paralysis mainly in legs.
