Bacteria MCQs online test 1

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Mdcat Biology XI Bacteria Mcqs test 1



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1. How gram negative bacteria differ from gram positive bacteria?

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2. _______ are used to transfer genetic material during conjugation.

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3. Cyst formation is generally observed in:

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4. Bacteria that are intermediate to spiral and rod shape are known as:

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5. Bacterial flagellum consists of how many part(s)?

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6. The chain of many spherical cells, such bacteria are known as:

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7. Peptidoglycan layer is found in much concentration in:

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8. Chill, cough and pleuritic pain with rusty sputum are the symptoms of:

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9. What is true about actinomycetes?

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10. Which one of the following options represents bacterial appendages?

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11. What is true about bacterial flagellum?

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12. Which of the following is related to gram-positive bacteria?

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13. Generally, the shape of a bacterial cell is:

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14. A complex outer layer of cell wall consisting of lipopolysaccharide and lipoprotein is found in:

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15. Certain rod-shaped bacteria have spherical ends like-cocci; such bacteria are called:

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16. What is general chemical composition of glycocalyx?

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17. Which one of the following bacteria can change its shape between helical and spherical form?

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18. Diplococci bacteria are formed due to:

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19. What is the length of bacterial flagellum?

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20. Many digestive enzymes and proteins that can destroy harmful

substances are present in:

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21. Certain microorganisms are involved in removal of environmental pollutants; and are involved in:

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22. The bacterium lacking cell wall is:

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23. In bacteria, the structures that are shorter in length and are used for attachment are:

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24. Escherichia coli bacterium is

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25. Attachment on the surface of tissues of an infected person occurs by the help of:

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26. By three plane of cell divisions, bacteria appear in ____ called ____.

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27. Dead bodies of plants and animals are decomposed by:

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28. Basal body of bacterial flagellum consists of:

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29. The suitable term for gap between cell wall and cell membrane is known as:

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30. Blight disease in rice is caused by:

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31. Bacterial cyst formation is related to:

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32. What is true about bacterial Capsule?

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33. Pili is made up of:

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34. Pseudomonas solanocaerum causes:

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35. Bacterial cell wall is composed of:

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36. The hook of bacterial flagellum connects:

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37. What is true option about spirochetes?

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38. Biofilm bacteria can become very hard to kill, partly due to:

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39. The spore protects bacterial genome:

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40. Bacterial pili are typically associated with:

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41. Bacterial glycocalyx may include:

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42. Which one of the following options is related to bacterial cell membrane?

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43. Which of the following can be removed from the bacterial cell easily?

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44. _________ may prevent the phagocytosis of bacteria by macrophages.

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45. Bacterial fimbriae are tubular extensions of______ and project through_______.

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46. The bacterial filament is composed of :

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47. Treponema pallidum belongs to which category of plants?

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48. A bacterium may become more pathogenic due to:

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49. Bacteria are being used as tools in genetic engineering experiments;__________ are used in such techniques.

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50. The degradation of environmental pollutants by using living organisms is known as:

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