| 1. | In the classification of bacteria according to shape,which among the following refer to cuboidal arrangement of bacterial cells? |
| a. | Tetrads |
| b. | Staphylococci |
| c. | Sarcinae |
| d. | Streptococci |
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Answer: (c).Sarcinae
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| 2. | Which group of bacteria among the following have the largest area of contact? |
| a. | Palisades |
| b. | Trichomes |
| c. | Streptobacilli |
| d. | Diplobacilli |
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Answer: (b).Trichomes
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| 3. | Which among the following are “Spirochetes”? |
| a. | Spirillum volutans |
| b. | Corynebacterium diphtheriae |
| c. | Streptomyces sp. |
| d. | Treponema pallidum |
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Answer: (d).Treponema pallidum
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| 4. | What is the approximate size of the bacterial cell? |
| a. | 2mm in diameter |
| b. | 1mm in diameter |
| c. | 2 micrometer in diameter |
| d. | 0.5 to 1.0 micrometer in diameter |
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Answer: (d).0.5 to 1.0 micrometer in diameter
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| 5. | When rod shaped bacteria appears in pairs,it is known as? |
| a. | Diplobacilli |
| b. | Streptobacilli |
| c. | Diplococci |
| d. | Staphylococci |
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Answer: (a).Diplobacilli
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