571.
In Ferns meiosis occurs when
A
spore germinates
B
gametes are formed
C
spores are formed
D
antheridia and archegonia are formed
Answer :
spores are formed
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572.
Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?
A
Plant cells-Cellulase
B
Algae-Methylase
C
Fungi-Chitinase
D
Bacteria-Lysozyme
Answer :
Algae-Methylase
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573.
Rhizoids of Riccia are
A
One type of acattered
B
One type and arranged in rows
C
Two type and scattered
D
Two type and arranged in rows
Answer :
Two type and scattered
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574.
The non motile, greatly thickened asexual spores are called
A
Hypnospores
B
Macro zoospores
C
Aplanospores
D
Micro zoospores
Answer :
Hypnospores
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575.
Bryophyta show an advancement over algae in
A
Having multi cellular sprophytic generation
B
Heaving parasitic sprophyte
C
Having zygotic meiosis
D
None of the above
Answer :
Having multi cellular sprophytic generation
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576.
Ribbon shaped chloroplast is found in
A
Spirogyra
B
Ulotrhix
C
Chlamydomonas
D
Nostoc
Answer :
Spirogyra
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577.
Eggs do not occur in archegonia in
A
Bryophyte
B
Pteridophyta
C
Angiosperms
D
Spermatophyta
Answer :
Angiosperms
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578.
A leafy non vascular plant with parasitic sporophytic generation should properly be classified in
A
Thallophyta
B
Bryophyta
C
Pteridophyta
D
Spermatophyta
Answer :
Bryophyta
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579.
What is common in all the three, Funaria, Dryopteris and Ginkgo?
A
Independent sporophyte
B
Presence of archegonia
C
Well developed vascular tissues
D
Independent gametophyte
Answer :
Presence of archegonia
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580.
Hold-fast of Ulothrix is
A
Living & without chloroplast
B
Living & without nucleus
C
Non-living & without chloroplast
D
Non-living & with nucleus
Answer :
Living & without chloroplast
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