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Question-1
Which algae are used as food?
(A)
ulva
(B)
Sargassum
(C)
Laminaria
(D)
All the above
Question-2
Which one the following is an example of parasite?
(A)
Rhizopus
(B)
Agaricus
(C)
Puccinia
(D)
Micorrhizae
Question-3
Which one of the following produce offensive smell?
(A)
Cycadales
(B)
Ginkgoales
(C)
Coniferates
(D)
Gnetales
Question-4
Name the layer of stem which helps in storage and ventilation :
(A)
Parenchyma
(B)
Chlorenchyma
(C)
Collenchyma
(D)
Cuticle
Question-5
Which are called amphibian cryptogams?
(A)
Bryophytes
(B)
Pteridophytes
(C)
Algae
(D)
Fungi
Question-6
Which is the substance obtained from red algae?
(A)
Iodine
(B)
Agar agar
(C)
Sargasm
(D)
Ulva
Question-7
What are used as antiseptic and absorbent bandage in the hospitals?
(A)
Sphagnum
(B)
Tunacia
(C)
Riccia
(D)
Sargasm
Question-8
Which algae decomposes human urine?
(A)
Spirullina
(B)
Chlorella
(C)
Sargasm
(D)
Laminaria
Question-9
Which one of the following is a palm like gymnosperm
(A)
Cycas
(B)
Pinus
(C)
Gnetum
(D)
Ginkobiloba
Question-10
Which are the lowest and simplest primitive plants.
(A)
Algae
(B)
Fungi
(C)
Yeast
(D)
Spyrogyra
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Std 8
Tamil Nadu (English Medium)
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