Home
Class 12
BIOLOGY
Read the following statements carefully ...

Read the following statements carefully and select the incorrect ones.
(i) Development of the fertile top-soil takes centuries, but it can be easily removed due to human activites such as over-cultivation, unrestricted grazing, etc.
(ii) Waterlogging results in soil salinity.
(iii) UV rays are responsible for degradation of ozone shield in atmosphere.
(iv) Ozone present in troposphere acts as a shield abosrbing UV radiations coming from the Sun.
(v) Global warming can be controlled by increasing the use of fossil fuels.

A

(i), (iii) and (v)

B

(iii), (iv) and (v)

C

(iv) and (v)

D

(i), (ii) and (iii)

Text Solution

Verified by Experts

The correct Answer is:
C

Ozone present in the stratosphere act as a shield absorbing UV radiations coming from the sun. Global warming can be controlled by cutting down the use of fossil fuels.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    NCERT FINGERTIPS ENGLISH|Exercise Environmental Issues|142 Videos
  • ECOSYSTEM

    NCERT FINGERTIPS ENGLISH|Exercise Ecosystem|140 Videos
  • EVOLUTION

    NCERT FINGERTIPS ENGLISH|Exercise All Questions|160 Videos
NCERT FINGERTIPS ENGLISH-ENVIRONMENTAL ISSUES-Environmental Issues
  1. Read and select the incorrect option about desertification.

    Text Solution

    |

  2. Read the given statements and select the correct option. Statement 1...

    Text Solution

    |

  3. Read the following statements carefully and select the incorrect ones....

    Text Solution

    |

  4. Waterlogging and soil salinity are some of the problems that have come...

    Text Solution

    |

  5. National Forest Policy of India has recommeded (i) forest cover for th...

    Text Solution

    |

  6. Which of the following statements is not correct regarding jhum cultiv...

    Text Solution

    |

  7. Read the given statements and select the correct option. Statement 1...

    Text Solution

    |

  8. Amrita Devi Bishnoi Wildlife Protection Award is for the individuals o...

    Text Solution

    |

  9. Match column I with column II and select the correct option from the g...

    Text Solution

    |

  10. Identify the incorrectly matched pair.

    Text Solution

    |

  11. Write a short note on Joint Forest Management.

    Text Solution

    |

  12. The given graph shows how much nitrate (NO(3)^(-)) is exported from th...

    Text Solution

    |

  13. The graph given below represents changes in different ecological param...

    Text Solution

    |

  14. The concentration of polychlorinated biphenyls (PCB, an organochloride...

    Text Solution

    |

  15. In the event of global warming, which one of the following is most lik...

    Text Solution

    |

  16. In the human-induced process called acid precipitation, the main bioge...

    Text Solution

    |

  17. Non-biodegradable pollutants are created by

    Text Solution

    |

  18. According to the Central Pollution Control Board, particles that are r...

    Text Solution

    |

  19. The material generally used for sound proffing of rooms like a recordi...

    Text Solution

    |

  20. Compressed Natural Gas (CNG) is

    Text Solution

    |