PrepBharat

1. Kelps may reach a height up to
a) 120 m
b) 100 m
c) 1000 m
d) 10 m

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2. The algae which possess chlorophyll a, c, carotenoids and xanthophylls belong to
a) Green algae
b) Brown algae
c) Both (a) and (b)
d) None of these

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3. Brown algae vary in colour from _______ to various shades of _______ depending on the amount of _______ pigment and _______ present in them
a) fucoxanthin, xanthophyll, blue, brown
b) blue, brown, fucoxanthin, xanthophyll
c) yellow, brown, fucoxanthin, xanthophyll
d) olive green, brown, fucoxanthin, xanthophyll

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4. Laminaria and mannitol are stored foods of
a) Euglena
b) Green algae
c) Liverworts
d) Brown algae

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5. The plant body of algae is divided in holdfast, stipe and fronds in
a) Chara
b) Laminaria
c) Porphyra
d) All of these

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6. The plant body attached to substratum in brown algae is by
a) Rhizoids
b) Multicellular hair
c) Holdfast
d) Roots

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7. The photosynthetic leaf like organ found in some of the algae are called
a) Sporophyll
b) Fronds
c) Leaves
d) Scaly leaves

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8. Zoospores of brown algae are
a) Uniflagellate
b) Multiflagellate
c) Biflagellate
d) May be any of the above three

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9. The arrangement of flagella in brown algae is
a) One and equally arranged
b) Two unequal and laterally arranged
c) Many flagella arranged anywhere on the body
d) Depends from organism to organism

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10. The biflagellate pear-shaped zoospores are characteristics of
a) Red algae
b) Green algae
c) Brown algae
d) All of these

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