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12th Standard Biology English Medium Zoology - Microbes in Human Welfare 5 Mark Creative Question Paper and Answer Key 2022 - 2023 Study Materials Aug-26 , 2022

QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Biology Subject - Zoology - Microbes in Human Welfare, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Biology English Medium Zoology - Microbes in Human Welfare 5 Mark Creative Question Paper and Answer Key 2022 - 2023

Zoology - Microbes in Human Welfare 5 Mark Creative Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 02:00:00 Hrs
Total Marks : 40

    5 Marks

    8 x 5 = 40

  1. What is the key difference between primary and secondary sewage treatment?

  2. Explain the process of sewage treatment.

  3. Explain the working of a biogas plant

  4. Explain the role of microbes in the production of enzymes & bio-active molecules

  5. Describe the stages of Sewage treatment process

  6. How microbes are used in Gobar gas production?

  7. Bioremediation & microbes - Discuss.

  8. How are baculoviruses and bacilius thuringienis used as biocontrol agents? Why are they preferred over readily available chemical pesticides?

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