EASY
9th CBSE
IMPORTANT
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The technique of providing immunity by vaccination was first developed by

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Important Questions on Why Do We Fall ill

EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 2
'Penicillin', a life saving antibiotic, was discovered by
MEDIUM
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 3
For which disease 'oral' vaccine is given?
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 4
‘BCG’ vaccine is given to infants for protection against
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 5
Making anti-viral drugs is more difficult than making anti-bacterial medicines because
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 6
You are aware of the Polio Eradication Programme in your city. Children are vaccinated because
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 7
The chemicals that kill or stop the growth of certain kinds of microbes are called
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 8
Penicillium is a/an
EASY
9th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 9>Chapter 4 - Why Do We Fall ill>EXERCISE - 4B>Q 1
Define antibiotics.