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Plant Kingdom Test - 13

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Plant Kingdom Test - 13
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Cyanobacteria are classified under

  • Question 2
    1 / -0

    Fusion of two motile gametes which are dissimilar in size is termed as

    Solution

    Size of gametes is dissimilar and hence term ‘Anisogamy’ is used.

  • Question 3
    1 / -0

    Holdfast, stipe and frond constitutes the plant body in case of

  • Question 4
    1 / -0

    A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to

    Solution

    Plants from monocots and gymnosperms do not need water for fertilization. Byrophytes and pteridophytes need water for fertilization. But pteridophytes have true roots.

  • Question 5
    1 / -0

    A Prothallus is

  • Question 6
    1 / -0

    Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is

    Solution

    Cones are salient features of gymnosperms. Moreover, gymnosperms are well adapted to extreme conditions.

  • Question 7
    1 / -0

    The embryo sac of an Angiosperm is made up of

    Solution

    The seven cells are; one egg cell, two synergids, three antipodal cells and one secondary nucleus. The secondary nucleus contains two nuclei; while the other cells contain one nucleus each.

  • Question 8
    1 / -0

    If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm

    Solution

    Endosperm is formed after fusion between a haploid male gamete and diploid secondary nucleus. Thus, endosperm has triploid nucleus; which will have three times the number of chromosomes as in a haploid nucleus.

  • Question 9
    1 / -0

    Protonema is

  • Question 10
    1 / -0

    The giant Redwood tree (Sequoia sempervirens) is a/an

    Solution

    Redwood trees is a Gymnosperm which have earned many sobriquets; like tallest tree, oldest tree, largest by trunk volume, etc.

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