Home
Class 12
BIOLOGY
Assertion (A ) : Forest act as oxygen si...

Assertion (A ) : Forest act as oxygen sinks and heart of the planet
Reason (R ): Forest animals consume lot of oxygen for their respiration .

A

(A) is wrong, (R) is correct

B

(A) is correct, (R) is wrong

C

(A) and (R) is correct

D

(A) and (R) is wrong

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GENETICS AND EVOLUTION

    SARAS PUBLICATION|Exercise EXAMPLE|119 Videos

  • GOVT-MODEL SOLVED QUESTION PAPER-2019-2020 (6)

    SARAS PUBLICATION|Exercise EXERCISE|46 Videos

Similar Questions

Explore conceptually related problems

Forests act as carbon sink. Give reason.

Assertion (A) : Heart wood is the dead part of wood . Reason (R ) : It resists microorganisims

Assertion (A) : The inner ear acts as an organ of balance. Reason (R ) : IT contains the ear ossicles.

Assertion (A): To prevent huting is not wildlife conservation in the real sense. Reason ( R ): Some animals may multiply to the extent that they exhaust the food supply.

Assertion (A) : Tissue culture is practiced with plant cells. Reason (R) : Animal cells do not show totipotency.

Assertion (A) : Entamophily is the most common type of pollination Reason (R) : Birds and animals brings out effective pollination.

Assertion (A): Natural habitats of plants and animals should not be destroyed. Reason ( R ): This is necessary for the conservation of biotic resources.

SARAS PUBLICATION-Govt Solved Paper 2020 (2)-EXERCISE
  1. Before coming out of nucleus , in RNA is added (A) as capping (B) as t...

    Text Solution

    |

  2. Among the non-infections disease, which is the major cause for death?

    Text Solution

    |

  3. Which of the following is not true regarding antibiotics?

    Text Solution

    |

  4. Which technique can be used to amplify the smallest DNA?

    Text Solution

    |

  5. Find out the wrong pair.

    Text Solution

    |

  6. Assertion (A ) : Forest act as oxygen sinks and heart of the planet R...

    Text Solution

    |

  7. Zygote is not formed during the conjugation of Paramecia, but we cell ...

    Text Solution

    |

  8. Differentiate ZIFT from GIFT

    Text Solution

    |

  9. What is chemical evolution?

    Text Solution

    |

  10. What is the use of methanobacterium?

    Text Solution

    |

  11. Extinction of a keystone species led to loss of biodiversity. Justify.

    Text Solution

    |

  12. Meiosis cell division does not take place during the gametes formation...

    Text Solution

    |

  13. What is meant by ribozyme?

    Text Solution

    |

  14. What is the evolutionary significance of Archaeopteryx?

    Text Solution

    |

  15. Briefly explain the differnet measures to reduce noise pollution.

    Text Solution

    |

  16. A diabetic patient wants to have a single time treatment and permanent...

    Text Solution

    |

  17. Explain the role of hormones in the maintenace of human male fertility...

    Text Solution

    |

  18. DNA is the genetic material, but it evolved from RNA. Justify.

    Text Solution

    |

  19. Suggest methods of maintenance of personal and public hygiene.

    Text Solution

    |

  20. Analyse the interactions of two species population.

    Text Solution

    |