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Plant Kingdom Test - 52

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Plant Kingdom Test - 52
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  • Question 1
    1 / -0
    Moss protonema can be differentiated from filamentous alga in
    Solution
    The protonema of moss differs from filamentous alga in having brown walled cells separated by oblique septa. Both algal filament and protonema contain chloroplast.
    So, the correct answer is option C. 
  • Question 2
    1 / -0
    An alga rich in proteins is
    Solution
    Chlorella is an alga with extremely important health benefits. It contains nearly 50% of proteins. It also contains certain essential amino acids. But because of its hard cell wall, it cannot be digested easily. So, it is available in the form of food supplements as tablets, capsules etc.
    So, option A "Chlorella" is the correct answer.
  • Question 3
    1 / -0
    In moss, antheridia and archegonia occur at the tips of two different branches of the same plant. The condition is called
    Solution
    Option 'A' is correct
    Monoecious and autoicous means that both the male and female sex organ i.e., artheridia and archegonia are found on same individual or plant (monoicous) but on two different branches of the plant. The sex organs are present at the tips of the branches.
  • Question 4
    1 / -0
    Antheridia and archegonia are sex organs of
  • Question 5
    1 / -0
    Sporogonium of Polytrichum possesses
  • Question 6
    1 / -0
    Heterospory and seed habit are exhibited by non-flowering plant which also possesses
  • Question 7
    1 / -0
    Apophysis occurs in
  • Question 8
    1 / -0
    Moss sporophyte does not possess
  • Question 9
    1 / -0
    Fungi resemble algae in presence of similar
    Solution
    • Algae & fungi can reproduce asexually by the production of various motile & non - motile spores.
    • Sex organs are naked in both groups, with no protective covering for organs. Hence, Fungi resemble algae in presence of similar Reproductive structures.
    • So, the correct answer is "Reproductive structures'.

  • Question 10
    1 / -0
    Ancestors of land plants/bryophytes were
    Solution
    • Green algae contain the same carotenoids and chlorophyll a and b as land plants, whereas other algae have different accessory pigments and types of chlorophyll molecules in addition to chlorophyll a. 
    • Both green algae and land plants also store carbohydrates as starch. Hence, the Ancestors of land plants/bryophytes were Green Algae.
    • So, the correct answer is "Green Algae'.
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