631.
Chloroplast of Chlamydomonas is
A
stellate
B
cup-shaped
C
collar-shaped
D
spiral
Answer :
cup-shaped
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632.
Sequoias belongs to
A
Cycadillicales
B
Gnetales
C
Coniferables
D
Dicots
Answer :
Coniferables
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633.
Endosperm in Pinus is
A
Post fertilization tissue
B
Pre and post fertilization tissue
C
Pre fertilization tissue
D
None of the above
Answer :
Pre fertilization tissue
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634.
The Antherozoids of Bryophytes possess
A
2 - Flagella
B
1 - Flagella
C
Mltiflagella
D
No - flagella
Answer :
2 - Flagella
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635.
Adiantum is called "walking fern" due to
A
Power of locomotion
B
Vegetative reproduction
C
Motile antherozoites
D
All of the above
Answer :
Vegetative reproduction
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636.
How must time is generally required/taken by the pine plant from pollination to fertilization
A
Four months
B
Twelve months
C
Two years
D
Four years
Answer :
Twelve months
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637.
Zoodiogamy takes place in
A
Lower Gymnosperms
B
Higher Gymnosperms
C
Angiosperms
D
All of the above
Answer :
Lower Gymnosperms
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638.
The major role in the dehiscence of a fern sporangium is played by its
A
Indusium
B
Annulus
C
Stomium
D
None of the above
Answer :
Annulus
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639.
Irish moss, is a
A
True moss
B
Lichen
C
Algae
D
Bryophyte
Answer :
Algae
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640.
Development of Oospore in fern produces
A
X-Gametophyte
B
2X-embryo & sporophyte
C
Prothallus
D
Zoospores & Antherozoids
Answer :
2X-embryo & sporophyte
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