Home
Class 12
BIOLOGY
[A] : UV irradiation to disinfect pollu...

[A] : UV irradiation to disinfect polluted waters is not generally recommended .
[R] : It is not effective against most microorganisms

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 and R is false

D

If both A and R are false

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • Drug Addiction

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|20 Videos
  • ECOSYSTEM

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQ|178 Videos

Similar Questions

Explore conceptually related problems

Most abundant water pollutant is

Water potentialis generally most negative in

[A] : Population density of indicator organisms show degree of water pollution . [R] : BOD is an index of organic waste in water .

Select the correct option w.r.t. biocontrol agent which is effective against several plant pathogens.

[A] : Biomonitoring is reliable for determining the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

[A] : Biomonitoring is reliable for determing the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

[A] : Algal blooms deplete dissolved O_(2) levels in polluted water bodies . [R] : Bioproductivity of water bodies increases due to algal blooms .

[A] : An estimation of B.O.D gives an indication of the amount of pollution in a body of water . [R] : B.O.D is measure of the oxygen requirements of the bacteria , which are living in the water .

[A] : Plants brought from the wild into cultivation retain original names . [R] : According to Article 29 of the code publication of new names and descriptions are effective when the printed matter is distributed to general public or to at least ten botanical institutions with libraries accesible to botanists generally .

A : The most immediate effect of FSH is the maturation of existing late primary or secondary follicle . R : A rising level of FSH causes the developing egg within the follicle to complete the first meiotic division to form a secondary oocyte. . (a) If both Assertion & Reason are true and the reason is the correct explanation of the assertion then mark a (b) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark b (c) If Assertion is true statement but Reason is false then mark c (d) If both Assertion and Reason are false statement then mark d

TRUEMEN BIOLOGY ENGLISH-Ecology -ASSERTION AND REASON
  1. [A] : Biological indicators enhance usefulness of ecology to mankind ...

    Text Solution

    |

  2. [A] : Depletion of ozone layer results in human disease like cancer ....

    Text Solution

    |

  3. [A] : UV irradiation to disinfect polluted waters is not generally re...

    Text Solution

    |

  4. [A] : A species is an interbreeding population which is reproductively...

    Text Solution

    |

  5. [A] : Plants having capacity to withstand wide range of temperature t...

    Text Solution

    |

  6. [A] : Each food-level in an ecosystem is called trophic level . [R]...

    Text Solution

    |

  7. [A] : Biomonitoring is reliable for determing the pollutants in air ,...

    Text Solution

    |

  8. Assertion (A) : Tropical rain forests are disappearing fast from devel...

    Text Solution

    |

  9. [A] : Leaf butterfly & stick insect show mimicry to dodge their enemi...

    Text Solution

    |

  10. [A] : In a food chain , membrane of successive higher levels are fewer...

    Text Solution

    |

  11. Assertion (A) : Methane component of greenhouse gases contributing to ...

    Text Solution

    |

  12. Assertion: Suspended particulate matter(SPM) is an important pollutant...

    Text Solution

    |

  13. Assertion : Age sex structure of human population in countries like Fr...

    Text Solution

    |

  14. Assertion (A) : Presently, the global atmosphere is warming up. Reas...

    Text Solution

    |

  15. [A] : Ozone depletion at the south pole will threats world's fisheries...

    Text Solution

    |

  16. [A] : Inquilines can not survive without human care . [R] : Cultige...

    Text Solution

    |

  17. [A] : Problems of ecological environment arise from over population....

    Text Solution

    |

  18. [A] : Social forestry programme is grows trees for fuel , fodder & fru...

    Text Solution

    |

  19. [A] : Cultigens (domesticated animals & cultivated plants ) are not in...

    Text Solution

    |

  20. [A] : Population density of indicator organisms show degree of water p...

    Text Solution

    |