Home
Class 12
BIOLOGY
Which of the following statement/s regar...

Which of the following statement/s regarding ecological pyramid is/are wrong?
I. In most ecosystem, all the pyramids, of number, of energy and biomass are upright.
II. Each trophic level has a certain mass of living material at a particular time called as the standing crop.
III. The pyramid of biomass in sea is generally upright because the biomass of fishes far lower that of phytoplankton.
IV. Pyramid of energy is always upright, can never be inverted.
V. Energy at a lower trophic level is always less than at a higher level.

A

II only

B

II and IV only

C

III and V only

D

I, II and IV only

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ECOSYSTEM

    GRB PUBLICATION|Exercise EXEMPLAR PROBLEMS|41 Videos
  • CHROMOSOMAL BASIS OF INHERITANCE

    GRB PUBLICATION|Exercise Chromosome mapping|221 Videos
  • ENVIRONMENTAL ISSUES

    GRB PUBLICATION|Exercise Assertion & Reason Type Questions|30 Videos

Similar Questions

Explore conceptually related problems

The pyramid of biomass in sea is generally

The pyramid of biomass in sea is

The pyramid of energy is always upright.

The pyramid of energy is always upright.

Assertion: The pyramid of biomass in sea is generally inverted. Reason: The biomass of fishes far exceeds that of phytoplankton.

Pyramid of biomass is always upright.

A: Ecological pyramid of biomass is generallly inverted in sea R: Biomass of fishes for exceeds that of phytoplanktons.

Why is pyramid of biomass in sea generally inverted ? Explain.

GRB PUBLICATION-ECOSYSTEM -EXEMPLAR PROBLEMS
  1. The second trophic level of longer food chains in a lake is:

    Text Solution

    |

  2. Secondary producers are:

    Text Solution

    |

  3. Percentage of photosynthetically active radiation (PAR) in the inciden...

    Text Solution

    |

  4. Plants are called as because they fix carbon dioxide.

    Text Solution

    |

  5. In an ecosystem dominated by trees, the pyramid (of numbers) istype.

    Text Solution

    |

  6. In aquatic ecosystem, the limiting factor for the productivity is:

    Text Solution

    |

  7. Common detritivores in our ecosystem are:

    Text Solution

    |

  8. The major reservoir of carbon on Earth is:

    Text Solution

    |

  9. Consider the following statement with respect to ecosystems: A. Tw...

    Text Solution

    |

  10. Which kind of ecological pyramid is represented by the figure given be...

    Text Solution

    |

  11. Which kind of exological pyramid is represented by the figure given be...

    Text Solution

    |

  12. Which one of the following statements is incorrect?

    Text Solution

    |

  13. Which kind of ecological pyramid is represented by the figure given be...

    Text Solution

    |

  14. Diagrammatic representation of trophic levels in an ecosystem is given...

    Text Solution

    |

  15. The given ecological pyramid best represents:

    Text Solution

    |

  16. Which one of the following statements about productivity is wrong?

    Text Solution

    |

  17. Identify the likely organisms (1), (2), (3) and (4) in the food web s...

    Text Solution

    |

  18. Consider the following statements. A. The movement of energy is un...

    Text Solution

    |

  19. Diagrammatic representation first four stages of primary succession is...

    Text Solution

    |

  20. Which of the following statement/s regarding ecological pyramid is/are...

    Text Solution

    |