101.  When pollen grains are not transferred from anthers to stigma in a flower, due to the physical barrier it is called

A. Cleistogamy

B. Herkogamy

C. Dichogamy

D. Heterogamy

Answer : Option B

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102.  The asexual production of seed is called

A. Fragmentation

B. Apomixis

C. Self-fertilization

D. Dormancy

Answer : Option B

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103.  Perisperm is

A. Peripheral part of endosperm

B. Remnent of endosperm

C. Disintegrated secondary nucleus

D. persistant of nucleus

Answer : Option D

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104.  The root cell of wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cell ?

A. 21

B. 7

C. 28

D. 14

Answer : Option A

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105.  The plant part which consist of two generations, one within the other, is

A. Germinated pollen grain

B. Embryo

C. Unfertilized ovule

D. Seed

Answer : Option C

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106.  The pollen tube usually enters the female gametophyte

A. through one of the synergids

B. by directly penetrating the egg

C. between one synergid and central cell

D. by knocking off the antipodal cell

Answer : Option A

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