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    How to Attempt NEET Biology in Just 45 Minutes?

    Pyramid of Biomass MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

    Quick Facts

    • Pyramid of Biomass & Pyramid of Energy is considered one of the most asked concept.

    • 30 Questions around this concept.

    Solve by difficulty

    Which of the following statements is not correct?

    The mass of living material at a trophic level at a particular time is called :

    Mass of living matter at a trophic level in an area at any time is called

    Concepts Covered - 1

    Pyramid of Biomass & Pyramid of Energy

    Pyramid of Biomass

    • A pyramid of biomass takes into account, for a given unit area, the biomass of the producers, the biomass of the herbivores, the biomass of the first-level carnivores, and so on.
    • The biomass of a single tree is naturally very higher than the biomass of a number of birds feeding upon the tree. Similarly, the biomass of even a very large number of bird parasites is lesser than that of the birds. Therefore, in an upright pyramid the biomass decreases with successive trophic levels.
    • The pyramid of biomass in the sea is also generally inverted because the biomass of fishes far exceeds that of phytoplankton.
       

    Pyramid of Energy

    • A pyramid of energy shows the flow of energy from one trophic level of a community to the next. 
    • The pyramid of energy represents the total amount of energy utilized by different trophic level organisms of an ecosystem in a limited area over a set period of time.
    • Pyramid of energy is always upright, and can never be inverted, because when energy flows from a particular trophic level to the next trophic level, some energy is always lost as heat at each step. 
    • Each bar in the energy pyramid indicates the amount of energy present at each trophic level in a

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    Books

    Reference Books

    Pyramid of Biomass & Pyramid of Energy

    Biology Textbook for Class XII

    Page No. : 249

    Line : 11

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