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

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1. The given figure shows an organism which is responsible for causing the _____ disease.

YCIND_240430_6249_trypanosoma brucei.png

Sleeping sickness
Elephantiasis
Kala-azar
AIDS

2. Making anti-viral drugs is more difficult than making anti-bacterial medicines because

Viruses are on the border line of living and non-living
Viruses have very few biochemical mechanisms of their own
Viruses have a protein coat
All of these

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