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Plant Kingdom Test - 51

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Plant Kingdom Test - 51
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which one controls dehiscence of sporangium in Dryopteris?
  • Question 2
    1 / -0
    Plant body is thallus in
    Solution
    Thallus, plant body of algae, fungi, and other lower organisms formerly assigned to the obsolete group Thallophyta. A thallus is composed of filaments or plates of cells and ranges in size from a unicellular structure to a complex tree-like form. Thus, Option B is correct.
  • Question 3
    1 / -0
    Pyrenoids are characteristically found in the chloroplasts of
    Solution
    Pyrenoids are sub-cellular micro-compartments found in chloroplasts of many algae, and in a single group of land plants, the hornworts. Pyrenoids are associated with the operation of a carbon-concentrating mechanism (CCM).
  • Question 4
    1 / -0
    Agar is commercially got from
    Solution
    Agar is a jelly-like substance, obtained from Red algae.
    Agar is derived from the polysaccharide agarose, which forms the supporting structure in the cell walls of certain species of algae and which is released on boiling. These algae are known as agarophytes and belong to the Rhodophyta (red algae) phylum. Agar is actually the resulting mixture of two components: the linear polysaccharide agarose and a heterogeneous mixture of smaller molecules called agaropectin. so option D is correct.
  • Question 5
    1 / -0
    Which one helps in spore dispersal in Moss
  • Question 6
    1 / -0
    Giant algae/sea weeds belong to ___.
  • Question 7
    1 / -0
    Vascular bundles are absent in
  • Question 8
    1 / -0
    Primitive type of stomata occur in Moss over
  • Question 9
    1 / -0
    Middle sterile part in the moss capsule is
  • Question 10
    1 / -0
    Which of the following contains non-vascular plants?
    Solution
    Bryophytes are a group of plants that have stem-like and root-like structures but lack the proper vascular tissues: xylem and phloem. 
    Pteridophytes, gymnosperms, and angiosperms have vascular tissues.
    Hence, the correct option is A.
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