Bacterial Diseases & Pathogenicity — NEET Biology
📚 Practice ConceptSome are pathogens causing damage to human beings, crops, farm animals and pets. Cholera, typhoid, tetanus, citrus canker are well known diseases caused by different bacteria.
Match the following bacterial groups/structures from Column I with their defining characteristics in Column II and specific examples/habitats in Column III: Column I A. Archaebacteria B. Cyanobacteria C. Mycoplasma D. Heterotrophic Column II I. Unique cell wall structure enabling survival in extreme conditions II. Lacks a cell wall and is the smallest known living cell III. Possesses chlorophyll a and can fix atmospheric nitrogen IV. Primarily decomposers, and some are pathogens causing diseases Column III a. Nostoc and Anabaena b. Hot springs and marshy areas c. Cholera and typhoid-causing bacteria d. Pathogenic in animals and plants
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