Home
Class 12
BIOLOGY
Which of the following statements is inc...

Which of the following statements is incorrect ?

A

Word antibiotic is a misnomer. Anti is a Greel word that means 'orgainst' and bios means 'life' together they mean against life (in the context of disease causing organisms), whereas with reference to human beings, they are pro-life and not agnist

B

Flocs are masses of bacteria with interwoven fungal filaments which form mesh-like structures.

C

Componenets of biogas are methane `(50 - 70%)`, carbon dioxide `(30 - 40%)` and traces of hydrogen, nitrogen and `H_(2)S`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    NCERT FINGERTIPS|Exercise Human Reproduction|185 Videos

  • MOLECULAR BASIS OF INHERITANCE

    NCERT FINGERTIPS|Exercise Molecular Basis Of Inheritance|151 Videos
NCERT FINGERTIPS-MICROBES IN HUMAN WELFARE-Microbes In Human Welfare
  1. These bacteria grow anaerobically on cellulosic material, produce larg...

    Text Solution

    |

  2. The given figure represents a typical biogas plant. Select the correct...

    Text Solution

    |

  3. Which of the following statements is incorrect ?

    Text Solution

    |

  4. Biogas generation is a three stage anaerobic digestion of animal and o...

    Text Solution

    |

  5. Read the following statements and select the correct option. Statem...

    Text Solution

    |

  6. Biopesticides are

    Text Solution

    |

  7. When a natural predator (living organism) is applied on the other path...

    Text Solution

    |

  8. Dragonflies are used to get rid of

    Text Solution

    |

  9. A microbial biocontrol agent that can be used to control butterfly cat...

    Text Solution

    |

  10. Bacillus thuringiensis is used to control

    Text Solution

    |

  11. Bacillus thuringiensis (Bt) strains have been used for designing novel

    Text Solution

    |

  12. Fill up the blanks by selecting the correct option. (i) Biogas is a ...

    Text Solution

    |

  13. Which of the following statements is correct with regard to biocontrol...

    Text Solution

    |

  14. Trichoderma harizianum has proved to be a useful microorganism for

    Text Solution

    |

  15. Baculoviruses (Nucleopolyhedrobirus) do not show

    Text Solution

    |

  16. Which of the following statements regarding baculoviruses as biocontro...

    Text Solution

    |

  17. Integrated Pest Mangement (IPM) discourages the excessive use of

    Text Solution

    |

  18. Which of the following is not used as a biopesticide ?

    Text Solution

    |

  19. The reson that the chemical/synthetic fertilisers should be replaced b...

    Text Solution

    |

  20. Organic farming does not include

    Text Solution

    |