class 8 science chapter 2 mcq
12 When a vaccine is given, that contains
1. weak micro organisms
2. killed micro organisms
3. 1 and 2
4. living micro organisms
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11 This protect us from getting the diseases over a long period of time
1. antibiotic
2. injection
3. vaccine
4. tablets
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10 'Pencillin' antibiotic is discovered by
1. yellapraggada subba rao
2. alexandar flemming
3. louis pasteur
4. edwaard jenner
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09 Pencillium notatum is a
1. bacteria
2. virus
3. fungi
4. algae
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