Home
Class 12
BIOLOGY
"Food chains" (I) Removal of 80% tiger...

"Food chains"
(I) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation
(II) Removal of most of the carnivores resulted in an increased population of deers.
(III) The length of food chains is generally limited to 3-4 trophic levels due to energy loss.
(IV) The length of food chains may vary from 2 to 8 trophic levels.

A

b and c

B

c and d

C

a and d

D

a and b

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DO YOU KNOW QUESTIONS

    SARAS PUBLICATION|Exercise EXERCISE|102 Videos

  • ECONOMICALLY USEFUL PLANTS AND ENTREPRENEURIAL BOTANY

    SARAS PUBLICATION|Exercise EXERCISE|19 Videos

Similar Questions

Explore conceptually related problems

Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. (ii) Removal of most of the carnivores resulted in an increased population of deers. (iii) The lenght of food chains is generally limited to 3-4 trophic levels due to energy loss. (iv) The lenght of food chains may vary from 2 to 8 trophic levels. A) i and ii B) ii and iii C) i and iii D) iii and iv

Read the following statements and select the correct ones. (i) A given species may occupy more than one trophic level in the same ecosystem at the same time. (ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem. (iii) Producers constitute the first trophic level of a detritus food chain. A) i and ii B) ii and iii C) i and iii D) i, ii and iii

Mathc column I with column II and select the correct option from the given codes. {:("column I","column II"),("Gross primary productivity",(i)"Geen plants"),("Secondary productivity",(ii)"Rate of synthesis of organic matter by consumers"),("Transducers",(iii)"Total organic matter produced from solar energy"),("Food web",(iv)"Interconnection of food chains"):}

SARAS PUBLICATION-ECOLOGY AND ENVIRONMANT-EXAMPLE
  1. What is true about the isolated small tribal populations?

    Text Solution

    |

  2. Which one of the following is not observed in biodiversity hotspots?

    Text Solution

    |

  3. "Food chains" (I) Removal of 80% tigers from an area resulted in gre...

    Text Solution

    |

  4. Which one of the following is the correct percentage of the two (out o...

    Text Solution

    |

  5. Quercus species are the dominant component in

    Text Solution

    |

  6. Global agreement on specific control strategies to reduce the release ...

    Text Solution

    |

  7. Biochemical Oxygen Demand (BOD) in a river water:

    Text Solution

    |

  8. Tiger is not a resident in which one of the following national park?

    Text Solution

    |

  9. Which part of human brain is concerned with the regulation of body tem...

    Text Solution

    |

  10. Steps taken by the Governmaent of India to control air pollution in...

    Text Solution

    |

  11. Montreal protocol was based on .

    Text Solution

    |

  12. DDT residues are rapidly passed through food chain causing biomagnific...

    Text Solution

    |

  13. Chipko movement was launched for the protection of

    Text Solution

    |

  14. Which one of the following organism occupies more than one trophic lev...

    Text Solution

    |

  15. Widal test is used for the diagnosis of:

    Text Solution

    |

  16. Injury to adrenal cortex is not likely to affect the secretion of whic...

    Text Solution

    |

  17. The biomass available for consumption by the herbivores and the decomp...

    Text Solution

    |

  18. Which one of the following is an example of ex-situ conservation?

    Text Solution

    |

  19. A renewable exhaustible natural resource is:

    Text Solution

    |

  20. dB is a standard abbreviation used for the quantitative expression of

    Text Solution

    |