111.
The primary Endosperm nucleus InPolygonum type of Embryosac is
A
Haploid
B
Diploid
C
Triploid
D
Tetraploid
Answer :
Triploid
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112.
Which ones produces androgenic haploids in anther cultures?
A
Anther wall
B
Tapetal layer of anther wall
C
Connective tissue
D
Young pollen grains
Answer :
Young pollen grains
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113.
Development of an organism from female gamete/ egg without involving fertilization is
A
Adventitive embryony
B
Polyembryony
C
Parthenocarpy
D
Parthenogenesis
Answer :
Parthenogenesis
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114.
The function megaspore in Capsella in always
A
Micropylar
B
Chalazal
C
All
D
Any
Answer :
Chalazal
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115.
In an Angiosperm, how many microspore mother cells are required to produce 100 pollen grains
A
25
B
50
C
75
D
100
Answer :
25
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116.
Which of the following pair has haploid structures?
A
Nucellus and antipodal cells
B
Antipodal cells and egg cell
C
Antipodal cells and megaspore mother cell
D
Nucellus and primary endosperm nucleus
Answer :
Antipodal cells and egg cell
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117.
Which type of pollination occurs in Capsella
A
Stigmatic
B
Micropylar
C
Nucellar
D
None of the above
Answer :
Stigmatic
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118.
The most common natural inhibitor of seed germination is
A
Ferulic acid
B
Abscisic acid
C
Citric acid
D
Phytochrome
Answer :
Abscisic acid
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119.
Division taking place in tapetum cell is
A
Meiosis
B
Amitosis
C
Endomitosis
D
Only mitosis
Answer :
Endomitosis
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120.
In which Ear Angiosperms originated
A
Coenozoic
B
Jurassic
C
Mesozoic
D
Holozoic
Answer :
Mesozoic
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