Plant Kingdom

Multiple Choice Questions

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Which one of the following is a saprophytic bryophyte?

  • Riccia fluitans

  • Buxbaumia aphylla

  • Funaria hygrometrica

  • Sphagnum

B.

Buxbaumia aphylla

Bryophytes usually grow in moist and shady places. Some bryophytes grow in diverse habitats such as aquatic (eg. Riccia jluitans), epiphytic (eg. Dendroceros and many mosses), saprophytic (eg. Buxbaumia aphylla) and in dry habitats such as dry sites (eg. Polytrichum juniperinum) deserts (eg. Tortula desertorum) and dry rocks (eg. Porella platyphylla).

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    Funaria gametophyte is

    • dioecious

    • heteroecious

    • autoecious

    • monoecious and autoecious

    Answer

    Which one of the following is categorised under living fossils?

    • Selaginella

    • Metasequoia

    • Pinus

    • Cycas

    Answer

    The character found only in halophytes is

    • sunken stomata

    • vivipary

    • velamen tissue

    • heterophylly

    Answer

    Chlorenchyma is known to develop in the

    • spore capsule of a moss

    • pollen tube of Pinus

    • cytoplasm of Chlorella

    • mycellium of a green mould such as Aspergillus

    Answer
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    Agar-agar is obtained from

    • Chlorella

    • Spirogyra

    • Ulothrix

    • Gelidium

    Answer

    Largest moss is

    • Pogonatum

    • Funaria

    • Dawsonia

    • Polytrichum

    Answer

    Phycobilins absorb light of wavelength

    • 670-700 nm

    • 610-650 nm

    • 500-650 nm

    • 420-520 nm

    Answer

    In Funaria, stomata are present on the

    • stem

    • leaves

    • capsule

    • apophysis

    Answer
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    Iodine is obtained from

    • Laminaria 

    • Chlorella

    • Polysiphonia

    • Porphyra

    Answer
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