8th Standard Science Chapter-4

8th Standard Science quiz Chapter-4

 

 

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Created on By wefru

8th Standard Science Chapter 4

CHECK YOUR SKILLS BROADLY

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11. ______ is used for the production of alcohol and wine.

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12. Which of the following diseases can be cured using antibiotics?

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13. Which organisms are microscopic and dependent on host organisms for reproduction?

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14.  _______ are the agents that act as carriers of a pathogen and spread diseases.

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15. An infectious disease is ___________ .

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16. Which one of the following is not a method of food preservation?

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17. Which among the following statements is not associated with food preservation?

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18. Which one of the following is not produced by the process of fermentation?

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19. A plant disease called citrus canker is caused by a _________ .

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20. Which among the following pathogens causes cholera?

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