Home
Class 12
BIOLOGY
[A] : Water logged soils are physiologi...

[A] : Water logged soils are physiologically dry .
[R] : When the soil is logged with water there is no space for oxygen in the soil atmosphere .

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

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Drug Addiction

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|20 Videos

  • ECOSYSTEM

    TRUEMAN BIOLOGY|Exercise MCQ|179 Videos

Similar Questions

Explore conceptually related problems

Water logged soil is

A water - logged soil is considered to be physiologically dry because of

A soil transported by water is

Halophytes can grow on physiologically dry soil due to presence of

Name the microorganisms which can fix atmospheric nitrogen in the soil.

Path of water movement from soil to xylem is

The form of water absorbed by plant's root system, from the soil is:

TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : If phytoplanktons are destroyed in the sea then it will effect t...

    Text Solution

    |

  2. [A] : Epiphytes are not found in Delhi . [R] : Delhi has semi-arid c...

    Text Solution

    |

  3. [A] : Water logged soils are physiologically dry . [R] : When the s...

    Text Solution

    |

  4. [A] : There is a chemical warfare amongst some plants . [R] : The ro...

    Text Solution

    |

  5. [A] : Total biomass on land is much more than that in water . [R] :...

    Text Solution

    |

  6. [A] : Epiphytes differs from Lianas in that they are not rooted in th...

    Text Solution

    |

  7. [A] : Biological indicators enhance usefulness of ecology to mankind ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |