Selina ICSE Solutions for Class 9 Biology Chapter 9 - Economic Importance Of Bacteria And Fungi Exercise 1 A. Multiple Choice Answer Type. 1. Bacteria are no more classified as plants primarily because: (a) these are unicellular (b) these are microscopic (c) many of them are parasitic (d) they have no chlorophyll 2. A particular species of which one of the following, is the source bacterium of the antibiotic, discovered next to penicillin, for the treatment of tuberculosis? (a) Escherichia (b) Streptomyces (c) Rhizobium (d) Nitrobacte r 3. Which bacteria is rod shaped? (a) Coccus (b) Spirillum (c) Bacillus (d) Vibrio 4. Which bacteria fixes nitrogen in the soil? (a) Nitrobacter (b) Nitrosomonas (c) Rhizobium (d) Clostridium Solution A. 1. (d) they have no chlorophyll 2. (b) Streptomyces 3. (c) Bacillus 4. (c) Rhizobium B. Very Short Type Answer ...
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