Ecosystem

Ecosystem

Easy Questions
Moderate Questions

Advanced Botany

Plant Growth and Development
Organisms and Populations
Ecosystem
Biodiversity and Conservation
Environmental Issues
Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
Principles of Inheritance and Variation
Sexual Reproduction in Flowering Plants
Reproduction in Organisms
The Living World
Respiration in Plants
Photosynthesis
Mineral Nutrition
Transport in Plants
Cell Cycle and Cell Division
Cell-The Unit of Life
Anatomy of Flowering Plants
Morphology of Flowering Plants
Plant Kingdom
Biological Classification
  1. Which of the following pairs is a sedimentary type of biogeochemical cycle?








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    Biogeochemical cycles: Two types: (a) Gaseous: Biogenetic materials involved in circulation are gases eg. N2, O2, CO2 etc. (b) Sedimentary: Biogenetic materials involved in circulation are nongaseous eg. P, Ca, S etc. forms rocks.

    Correct Option: B

    Biogeochemical cycles: Two types: (a) Gaseous: Biogenetic materials involved in circulation are gases eg. N2, O2, CO2 etc. (b) Sedimentary: Biogenetic materials involved in circulation are nongaseous eg. P, Ca, S etc. forms rocks.

  1. Both, hydrarch and xerarch successions lead to:








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    Hydrarch succession takes place in wet areas and xerarch succession respectively, which takes place in dry areas. So, both hydrarch and xerarch successions leads to medium water conditions.

    Correct Option: A

    Hydrarch succession takes place in wet areas and xerarch succession respectively, which takes place in dry areas. So, both hydrarch and xerarch successions leads to medium water conditions.

  1. Identify the possible link “A” in the following food chain:
    Plant ? insect - frog ? “A” ? Eagle








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    NA

    Correct Option: C

    NA

  1. Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels?








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    NA

    Correct Option: A

    NA

  1. Which one of the following is not a function of an ecosystem?








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    Four important functional aspects of the ecocystem are
    (i) Productivity
    (ii) Decomposition,
    (iii) Energy flow and
    (iv) Nutrient cycling.

    Correct Option: D

    Four important functional aspects of the ecocystem are
    (i) Productivity
    (ii) Decomposition,
    (iii) Energy flow and
    (iv) Nutrient cycling.