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Plant Kingdom

Multiple Choice Questions

151.

Funaria gametophyte is

dioecious
heteroecious
autoecious
monoecious and autoecious

152.

Which one of the following is categorised under living fossils?

Selaginella
Metasequoia
Pinus
Cycas

153.

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

154.

The character found only in halophytes is

sunken stomata
vivipary
velamen tissue
heterophylly

155.

Largest moss is

Pogonatum
Funaria
Dawsonia
Polytrichum

156.

Which one of the following is a saprophytic bryophyte?

Riccia fluitans
Buxbaumia aphylla
Funaria hygrometrica
Sphagnum

157.

Iodine is obtained from

Laminaria
Chlorella
Polysiphonia
Porphyra

158.
Agar-agar is obtained from

Chlorella

Spirogyra

Ulothrix

Gelidium

Gelidium

Gelidium, Gracilaria, Ueterocladia are red algae having industrial importance. They produce a jelly like substance agar-agar. It is used as culture medium with a umber of different uses.

Chlorella, a green algae contains 50% protein, vitamins. Antibioic chlorel in has beer extracted from Chlorella, which found to be more effective against bacteria.

Spirogyra, a green algaeis also known as water-silk.