A

i-C, ii-D, iii-A, iv-B

B

i-A, ii-C, iii-B, iv-D

C

i-D, ii-A, iii-B, iv-C

D

i-C, ii-D, iii-B, iv-A

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • NCERT Exemplar Questions +2 (ECOSYSTEM)

    TRUEMAN BIOLOGY|Exercise MCQs|20 Videos

  • NCERT Exemplar Questions +2 (EVOLUTION)

    TRUEMAN BIOLOGY|Exercise MCQs|18 Videos
TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (ENVIRONMENTAL ISSUES )-MCQs
  1. The material generally used for sound proofing of rooms like a record...

    Text Solution

    |

  2. Compressed Natural Gas (CNG) is :

    Text Solution

    |

  3. World's most problematic aquatic weed is :

    Text Solution

    |

  4. Which of the followig causes bio magnifiction

    Text Solution

    |

  5. The expanded from of DDT is

    Text Solution

    |

  6. Which of the following material takes the longest time of biodegrad...

    Text Solution

    |

  7. Choose the incorrect statement.

    Text Solution

    |

  8. Among the following which one causes more indoor chemical pollution...

    Text Solution

    |

  9. The green scum seen in the fresh water bodies is :

    Text Solution

    |

  10. The loudness of a sound that a person can withstand without discomfort...

    Text Solution

    |

  11. The major source of noise pollution , world wide is due to :

    Text Solution

    |

  12. Text Solution

    |

  13. Catalytic converters are fitted into automobiles to reduce emission of...

    Text Solution

    |

  14. Why is it necessary to remove sulphur from petroleum products?

    Text Solution

    |

  15. Which one of the following impurities is easiest to remove from waste ...

    Text Solution

    |

  16. Which one of the following diseases is not due to contamination of wat...

    Text Solution

    |

  17. Nuisance growth of aquatic plants and bloom forming algae in natural w...

    Text Solution

    |

  18. Algal blooms impart a distinct colour to water due to:

    Text Solution

    |

  19. Match the items in column I and column II and choose the correct opti...

    Text Solution

    |

  20. The textbook you came across Three Mile Island and Chernobyl disasters...

    Text Solution

    |