121.
In the number of chromosomes in the pollen grains of Pinus is 12 i.e. e., n = 12, the number of chromosomes in its endosperm cells should be
A
36
B
24
C
12
D
6
Answer :
12
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122.
Fern plant are
A
Ornamental
B
Of medical value
C
Of food value
D
Of no particular value
Answer :
Ornamental
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123.
The unique feature of Bryophytes compared to other green plant groups in that
A
They produce spores
B
They lack vascular tissue
C
They lack root
D
Their sprophyteis attached to gametophyte
Answer :
Their sprophyteis attached to gametophyte
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124.
Cells in leaves of Funaria re
A
Polyploid
B
Diploid
C
Haploid
D
Haploid & Diploid
Answer :
Haploid
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125.
The vascular tissue is absent in
A
Algae, fungi and pteridophytes
B
Thallophytes and bryophytes
C
Bryophytes and pteridophytes
D
Angiosperm and gymnosperm
Answer :
Thallophytes and bryophytes
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126.
Seed habit first established in
A
Pteridophytes
B
Gymnosperms
C
Angiosperms
D
None of the above
Answer :
Gymnosperms
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127.
The number of prothallial cells in male gametophyte of Pinus is
A
2
B
1
C
3
D
0
Answer :
2
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128.
If total 52 cells are present in a Ulothrix filament, how many of them can divided to rpduce zoospore or aplanospores
A
All the 52
B
51 only
C
40 only
D
1 only
Answer :
51 only
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129.
Gymnosperms maintain their dominance over Angiosperms in
A
Colder regions of world
B
Warmer regions of world
C
Antarctica
D
Oceans
Answer :
Colder regions of world
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130.
Which bryophate indicates algal ancestory of bryophytes
A
Riccia
B
Riella
C
Anthoceros
D
Mosses
Answer :
Anthoceros
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