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Microbes in Human Welfare BIOLOGY - Microbes in Human Welfare

Bihar Board (BSEB) - STD 12 Science - BIOLOGY (BSEB - English Medium). 79 questions in this chapter.

Question types

Microbes in Human Welfare question types

79 questions across 3 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

79
Questions
3
Question groups
5
Question types
Sample Questions

Microbes in Human Welfare questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q [1M]1 Mark
Which of the following statement is incorrect about organic farming ?
  • A
    It is cyclic
  • B
    Zero waste is generated
  • C
    Maximum utilization of resources
  • ✓
    Use of chemical fertilizers

Answer: D.

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Q 3M.C.Q [1M]1 Mark
Alexander Fleming discovered penicillin while working on which of the following bacteria ?
  • A
    Streptococcus
  • B
    Acetobacter
  • C
    Staphylococcus
  • ✓
    Lactobacillus

Answer: D.

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Q 4M.C.Q [1M]1 Mark
Amount of which vitamin increases after conversion of milk into curd ?
  • ✓
    Vitamin $B _{12}$
  • B
    Vitamin A
  • C
    Vitamin C
  • D
    Vitamin $B _6$

Answer: A.

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