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Sindh Board > 9th > Biology (Total Videos: 412)
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Chapter 4: Viruses, Bacteria and Cyanobacteria (12 videos)

4.1: Microorganisms as a Heterogenous Group of Organisms
1. Microorganisms
2. Viruses, Size, Shape and Characteristics
3. Structure of Viruses
4. Viruses living or Non-living
5. Viral Diseases
4.2: Bacteria
1. Kinds of Bacteria
2. Structure of Bacteria
3. Division of Bacteria on the Basis of Nutrition
4. Respiration in Bacteria
5. Beneficial Bacteria ,Harmful Bacteria
4.3: Cynobacteria
1. Cynobacteria
2. Nostoc

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