191.
In which of the following characters, the Angiosperms resemble gymnosperms
A
Presence of ovule
B
Absence of endosperm
C
Presence of vessels
D
Mode of fertilization by zoodio siphonogamy
Answer :
Presence of ovule
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192.
Which one of the following is not common between Funaria and Selaginella?
A
Archegonium
B
Embryo
C
Flagellate sperms
D
Roots
Answer :
Roots
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193.
Pinus differs from mango in having
A
tree habit
B
green leaves
C
ovules not enclosed in ovary
D
wood
Answer :
ovules not enclosed in ovary
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194.
Which pigment is found in phaeophyceae
A
Chl. a, c and fucoxanthin
B
Chl. a, d and violaxanthin
C
Cartene and phycrocyanin
D
None of the above
Answer :
Chl. a, c and fucoxanthin
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195.
In which plant group reproductive organs are not enclosed in a layer of sterile cells
A
Pteridophyt
B
Thallophyta
C
Angiosperm
D
Gymnosper
Answer :
Thallophyta
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196.
Leaf-gap in the vascular cylinder in fern is
A
Air space
B
Parenchymatous zone
C
Collenchymatous zone
D
Area exclusively of phloem
Answer :
Parenchymatous zone
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197.
Sexual reproduction involving fusion of two cells in Chlamydomonas is
A
isogamy
B
homogamy
C
somatogamy
D
hologamy
Answer :
isogamy
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198.
Naked seed' of gymnosperm means
A
Seed without seed coats
B
Seed without tegmen
C
Seeds not enclosed in ovary wall
D
All of the above
Answer :
Seeds not enclosed in ovary wall
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199.
Which of the following plant groups have similar pigment composition
A
Rhodophyta and pheophyta
B
Chlorophyta and pheophyta
C
Rhodophyta and cyanophyta
D
Xanthophyta and euglenophyta
Answer :
Rhodophyta and cyanophyta
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200.
Which algae bet explains the evolution of sexual reproduction
A
Green algae
B
Red algae
C
Brown algae
D
B.G. Algae
Answer :
Green algae
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