Home
Class 12
BIOLOGY
(A) : Microbes are very important compon...

(A) : Microbes are very important component of life on Earth.
(R) : All microbes are pathogenic.

A

If both (A) and (R) are true and (R) is the correct explanation of (A).

B

If both (A) and (R) are true but (R) is not the correct explanation of (A).

C

If (A) is true but (R) is false.

D

If both (A) and (R) are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    GRB PUBLICATION|Exercise Question Based On Ncert Text|9 Videos
  • MENDELIAN INHERITANCE

    GRB PUBLICATION|Exercise Multiple Choice Questions|417 Videos
  • ORGANIC EVOLUTION

    GRB PUBLICATION|Exercise REPRODUCTIVE ISOLATION|159 Videos

Similar Questions

Explore conceptually related problems

Assertion:Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. Reason: Microbes causea large number of diseases in humans, plants and animals.

The cornea is very important component of the human eye. The main function of it is to

The cornea is very important component of the human eye. The main function of the cornea is to

Photosynthesis is an important biological process for life on earth because

Thought air contains only about 0.03% of carbon dioxide , it is a very important component of air. Give reasons.

GRB PUBLICATION-MICROBES IN HUMAN WELFARE-Assertion-Reason Type Questions
  1. (A) : The alcohol acts on the CNS as a stimulant. (R) : It increase...

    Text Solution

    |

  2. (A) : LSD is one of the most dangerous hallucinogens of modern times. ...

    Text Solution

    |

  3. (A) : Coconut milk is very rich and nutritive drink. (R) : It is in ...

    Text Solution

    |

  4. (A) : Rapid cell divison in an explant can be induced with cytokinin. ...

    Text Solution

    |

  5. (A) : Hybridization results in the production of heterozygous individu...

    Text Solution

    |

  6. (A): Mutations are always beneficial. (R): Generally it produces off...

    Text Solution

    |

  7. (A) : Meristem culture is used to produce disease free plants. Spiru...

    Text Solution

    |

  8. (A) : Meristem culutre is used to produce disease free plants. (R): ...

    Text Solution

    |

  9. (A) : Animal husbandry deals with the care and breading of livestock. ...

    Text Solution

    |

  10. (A) : Buffaloes are bette than cows. (R) : They are more resistant t...

    Text Solution

    |

  11. (A) : Goat is also called 'poor mans's cow'. (R) : It yields only a ...

    Text Solution

    |

  12. (A) : Donkeys cannot withstand adverse weather conditions. (R) : The...

    Text Solution

    |

  13. (A): Honey bees are colonial , social and polymorphic insects. (R) :...

    Text Solution

    |

  14. (A) : Microbes are very important component of life on Earth. (R) : ...

    Text Solution

    |

  15. (A) : Cheese is one of the oldest food items. (R) : It is prepared b...

    Text Solution

    |

  16. (A) : Antibiotics are produced by bacteria and fungi. (R) : These dr...

    Text Solution

    |

  17. (A) : Dextran is a microbially produced biopolymer. (R) : It is used...

    Text Solution

    |

  18. (A) : Sewage cannot be directly discharged into natural water bodies. ...

    Text Solution

    |

  19. (A) : Biogas plants are usually build in rural areas. Cattle dung i...

    Text Solution

    |

  20. Assertion : Leguminous plants are best preferred for rotation of crops...

    Text Solution

    |