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Plant Kingdom T...

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  • Question 1
    4 / -1

    At least a half of the total CO2 fixation on earth is carried out through photosynthesis by

  • Question 2
    4 / -1

    _____ and _____ are unicellular algae, rich in proteins, which are used as food supplements even by space travellers.

  • Question 3
    4 / -1

    Major photosynthetic pigments in green algae are

  • Question 4
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    Read the given statements about algae and select the correct option.
    (i) Plant body is thalloid.
    (ii) largely aquatic.
    (iii) Reproduction by vegetative, asexual and sexual methods.
    (iv) Chlamydomonas, Volvox and Ulothrix are the multicellular algae.

  • Question 5
    4 / -1

    The algae shown in figure belong to the class

  • Question 6
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    Green algae usually have a rigid cell wall made of an inner  layer of _______ and an outer layer of ________

  • Question 7
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    In most green algae, pyrenoids represent the storage bodies located in _________ .

  • Question 8
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    Cup-shaped chloroplast is present in

  • Question 9
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    Fusion of two gametes which are dissimilar in size is termed as

  • Question 10
    4 / -1

    Identify the given figures of algae and select the correct option.


    A (a) Fucus (b)Polysiphonia
    B (a) Dictyota (b) Polysiphonia
    C (a) Dictyota (b)Porphyra
    D (a) Porphyra (b)Polysiphonia
     

  • Question 11
    4 / -1

    Which out of the following does not belong to brown algae?

  • Question 12
    4 / -1

    Read the given statements and select the correct option.
    Statement 1 : Volvox forms spherical colony.
    Statement 2 : Volvox colony is made up of non - motile cells. 

  • Question 13
    4 / -1

    Batrachospermum is a

  • Question 14
    4 / -1

    Which type of sexual reproduction is found in Volvox?

  • Question 15
    4 / -1

    The "seaweeds" that form the under water forest are

  • Question 16
    4 / -1

    In Ulothrix, sexual reproduction is by

  • Question 17
    4 / -1

    Which one of the following cannot fix nitrogen?

  • Question 18
    4 / -1

    Agar-agar is commercially obtained from

  • Question 19
    4 / -1

    Seaweeds are a source of

  • Question 20
    4 / -1

    The members of Phaeophyceae or brown lagae are found primarily in/on

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