Home
Class 12
BIOLOGY
The prickly pear introduced into austral...

The prickly pear introduced into australia in the early............A..........caused havoc by spreading rapidly into millions of hectares of rangeland finaly, the invasive cactus were brought under control via a ............B........... Identify A & B in above context.

A

A-1930, B-Butterfly

B

A-1920, B- Moth

C

A-1930, B - Moth

D

A-1940, B - Moth

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOLOGY AT A GLANCE

    ALLEN|Exercise Microbes IN Human Welfare And Bio - Technology|32 Videos

  • BIODIVERSITY AND CONSERVATION

    ALLEN|Exercise S|18 Videos

  • BIOLOGY AT A GLANCE (ZOOLOGY )

    ALLEN|Exercise EXERCISE|207 Videos

Similar Questions

Explore conceptually related problems

The Prickly pear cactus introduced into Australia in the early 1920's caused havoc by spreading rapidly in to millions of hectares of rangeland because -

Read the following statements and select the correct option. Statement 1 : The prickly pear cactus introduced into Australia in early 1920 s caused havoc by spreading rapidly into millions of hectares of rangeland. Statement 2: When certain exotic species are introduced into a geographical fast because the invaded lands does not have its natural predators.

ALLEN-BIOLOGY AT A GLANCE-Ecology
  1. How many statement are correct regarding all succession :- (i) compo...

    Text Solution

    |

  2. The gradual & fairly predictable change in the species composition of ...

    Text Solution

    |

  3. The prickly pear introduced into australia in the early............A.....

    Text Solution

    |

  4. The process in which the fitness of one species (measured in terms of ...

    Text Solution

    |

  5. Herbivores and plants appear to be more adversely affected by competit...

    Text Solution

    |

  6. The interacting organism become co-evolved in which types of interacti...

    Text Solution

    |

  7. Cattle egret and grazing cattle is an example for :

    Text Solution

    |

  8. The Government of India has passed the environment (Protection) Act in...

    Text Solution

    |

  9. Over 99% particulate matter present in the exhaust from thermal power ...

    Text Solution

    |

  10. In Indian, the air prevention and control of pollution act came into f...

    Text Solution

    |

  11. Which statement is wrong about ozone layer ?

    Text Solution

    |

  12. Which statement is wrong about water pollution ?

    Text Solution

    |

  13. Accumulation of toxic substance in living organism is called as :-

    Text Solution

    |

  14. The use of nuclear energy has two very serious inherent problems these...

    Text Solution

    |

  15. Which one is/are correct statement:-

    Text Solution

    |

  16. Which one is not related to the forest protection ?

    Text Solution

    |

  17. Earth's surface re-emits heat into the atmosphere in the form of :-

    Text Solution

    |

  18. Secondary treatment or biological treatment of waste or sewage is done...

    Text Solution

    |

  19. Ganga action plan & Yamuna action plane has initiated to prevent these...

    Text Solution

    |

  20. During the past century, the temperature of earth has increased by

    Text Solution

    |