The most primitive among the living vascular plants are the
(1) ferns
(2) brown algae
(3) mosses
(4) cycads
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Non flowering plants are included under
(1) cryptogamae
(2) phanerogamae
(3) angiosperms
(4) Both a and b
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Chlorophyll present in red algae is
(1) a, d
(2) a, b
(3) a, c
(4) b, c
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Shape of chloroplast present in Ulothrix is
(1) cup shaped
(2) girdle shaped
(3) star shaped
(4) diffused type
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This plant is used as a packing material and also forms an excellent fodder for feeding cattle.
(1) Medicago
(2) Pongamia
(3) Cratolaria
(4) All of these
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The green alga rich in proteins used as food supplements even by space travelers is
(1) Chlorella
(2) Scendesmus
(3) Porphyra
(4) Spirulina
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Roots of higher plants show symbiosis with mycorrhiizas for obtaining
(1) sulphates
(2) nitrogen
(3) phosphates
(4) All of these
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The world's tallest (angiosperm) flowering tree is
(1) Sequoia
(2) Eucalyptus
(3) Pinus
(4) Cedrus
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The wood of Pinus is
(1) manoxylic
(2) polyxylic
(3) pycnoxylic
(4) manoxylic and pycnoxylic
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Porous wood has abundance of
(1) vessels
(2) fibres only
(3) tracheids
(4) sieve tubes
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