491.
In thallophyta main plant body is
A
Gametophye
B
Sorophyte
C
Diploid plant body
D
Leafy plant body
Answer :
Gametophye
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492.
Red algae is red due to the presence of
A
R-Phycocyanin
B
R-Phycoerythrin
C
C-Phycocyanin
D
C-Phycoerythrin
Answer :
R-Phycoerythrin
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493.
Which major change occurred in germination of spores during evolution of seed
A
Endosporic to excosporic
B
Exosporic to endosporic
C
Direct to indirect
D
No change
Answer :
Exosporic to endosporic
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494.
A saprophytic bryophyte found in the Himalayas in
A
Sphagnum
B
Marchantia
C
Porella
D
Buxbaumia
Answer :
Buxbaumia
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495.
An example of colonial alga is:
A
Volvox
B
Ulothrix
C
Spirogyra
D
Chlorella
Answer :
Volvox
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496.
The moss plant develops from
A
Diploid spores
B
Protenema
C
Oospores
D
Anthorozoids
Answer :
Protenema
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497.
Selaginella differs from Pteris in which of the following character
A
Heterosporous condition
B
Absence of seed
C
Absence of vessels in xylem
D
Need of water for fertilization
Answer :
Heterosporous condition
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498.
The interval between pollination of fertilization in Pinus is
A
One day
B
One week
C
One month
D
One year
Answer :
One year
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499.
Male gametophyte of Pinus is
A
Male cone
B
Microsporophyll
C
Pollen grain
D
Megasporophyll
Answer :
Pollen grain
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500.
In which species of Selaginella vivipary is found
A
S.rupestris
B
S.kraussiana
C
S.Lepidophylla
D
S.oregana
Answer :
S.rupestris
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