Multiple choice questions XXV — task. Science CBSE, Class 9.

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1. MMR refers to

Measles, Mumps and Rubella
Migraine, Measles and rubella
Measles, Mumps and Rabies
Mumps, Measles and Rickets

2. Vectors can be defined as

Animals carry the infecting agents from sick person to another healthy person
Diseased plants
Microorganisms which cause many diseases
Infected person

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