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    Cyanobacteria MCQ - Practice Questions with Answers

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

    Quick Facts

    • Cyanobacteria is considered one the most difficult concept.

    • 21 Questions around this concept.

    Solve by difficulty

    QuestionEASY

    Pigment-containing membranous extensions in some cyanobacteria are:

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    Besides paddy fields, cyanobacteria are also found inside vegetative parts of:

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    The cyanobacteria are also referred to as

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    Concepts Covered - 1

    Cyanobacteria
    • Cyanobacteria are also known as blue-green algae are photosynthetic prokaryotes.
    • They are considered to be the most ancient forms of algae.
    • Cyanobacteria are found in all kinds of environments.
    • They possess photosynthetic pigments like chlorophyll a, phycocyanin and carotenoids.
    • Their reserve food material is cyanophycean starch.
    • They are unicellular, colonial or filamentous organisms.
    • Each filament remains covered in a mucilage covering.
    • Flagella are absent in cyanobacteria.
    • Cyanobacteria do not have chloroplasts. Photosynthesis takes place in membranous stacks called chromatophores.
    • Cyanobacteria possess heterocysts which are thick-walled cells that are found in terminal, intercalary or lateral position. It is involved in the nitrogen fixation.
    • Examples: Spirulina ( highly proteinaceous superfood ), Nostoc, Oscillatoria, Anabaena and Rivularia etc.

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    Cyanobacteria

    Study other Related Concepts

    Cyanobacteria Current Topic

    Concept of Living and Need for Classification
    Taxonomy and Taxonomical Aids
    Steps of Taxonomy
    Vernacular and Scientific Names
    Binomial Nomenclature
    Taxonomic Hierarchy In Biological Classification
    Taxonomical Aids
    Classification Systems
    Three domains of life
    History of Classification of Organisms

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