Multiple Choice QuestionsProthallus of fem has :
antheridia and archegonia on lower surface
antheridia and archegonia on upper surface
antheridia on upper surface and archegonia on lower
antheridia on lower surface and archegonia on upper surface
A protein rich green alga is :
Chlorella
Spirulina
Spirogyra
Ulothrix
A.
Chlorella
Chlorella is a protein rich unicellular, green algae which is commonly being used as health food in Japan and Taiwan.
Spirulina is a blue-green algae which have high protein content and high growth rates. Both Chlorella and Spirulina are used to make SCP or Single Cell Protein.
Rarely among angiosperms the pollen grains influenced the endosperm. This is called as :
Metaxenia
Nemec phenomenon
Xenia
Mesogamy
A bryophyte which harbours a nitrogen fixing blue-green alga in its thallus is :
Pogonatum
Riccia
Marchantia
Anthoceros
The circinate vemation is the characteristic feature of ferns. It refers to :
coiling of young leaves
arrangement of leaves on stem
attachment of sori on leaves
heterophilly
Gymnosperms are called naked seed plants because these lack :
cotyledon
endosperm
ovary wall
testa
Which of the following plant yields oil and fibre both ?
Cocos nucifera
Eucalyptus
Brassica campestris
Euphorbia hirta
Hydrophytes are characterised by :
thick and large leaf
delicate and mucilagenous stem
short spinous stem
all of the above
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