Multiple Choice Questions

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In Funaria, stomata are present on the

  • stem

  • leaves

  • capsule

  • apophysis


D.

apophysis

The mature sporophytein Funaria is distinguishable into foot, seta and capsule. The capsule is distinguished into opercular region theca region and apophyseal region.
Apophyseal region is lowermost part of the capsule. The epidermis of the apophyseal region has stomatal apertures. Each stoma has two guard cells, which at later stages fuse to form a single annular guard cell .


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Iodine is obtained from

  • Laminaria 

  • Chlorella

  • Polysiphonia

  • Porphyra


The character found only in halophytes is

  • sunken stomata

  • vivipary

  • velamen tissue

  • heterophylly


Which one of the following is a saprophytic bryophyte?

  • Riccia fluitans

  • Buxbaumia aphylla

  • Funaria hygrometrica

  • Sphagnum


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


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Agar-agar is obtained from

  • Chlorella

  • Spirogyra

  • Ulothrix

  • Gelidium


Largest moss is

  • Pogonatum

  • Funaria

  • Dawsonia

  • Polytrichum


Phycobilins absorb light of wavelength

  • 670-700 nm

  • 610-650 nm

  • 500-650 nm

  • 420-520 nm


Funaria gametophyte is

  • dioecious

  • heteroecious

  • autoecious

  • monoecious and autoecious


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Which one of the following is categorised under living fossils?

  • Selaginella

  • Metasequoia

  • Pinus

  • Cycas


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