21.  Nucellus in seed is represented by

A. Testa

B. Peri carp

C. Tagmen

D. Seed Coat

Answer : Option B

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22.  Pollen grain are produced in

A. Nucellus

B. Stigma

C. Anther

D. Chalaza

Answer : Option C

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23.  Ovule is attached to the placenta by

A. pedical

B. Hilum

C. Funicle

D. petiole

Answer : Option C

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24.  Pollen tube enters the embryo sac through

A. Integument

B. Micropyle

C. chalaza

D. Funicle

Answer : Option B

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25.  Pollen tube, entering in embryo sac has

A. 3 male gametes

B. 1 male gametes

C. 2 male gametes

D. 4 male gametes

Answer : Option C

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26.  In flowering plants, fertilization occur in

A. Ovary

B. Embryo sac

C. Nucellus

D. Ovule

Answer : Option B

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27.  The formation of zygote without the act of syngamy is called

A. Poly embryony

B. Parthenogenesis

C. Budding

D. Apospory

Answer : Option B

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28.  Which phase of life cycle is dominant in the individuals of angiosperms ?

A. Gametophyte

B. Growth phase

C. Sporophyte

D. Development phase

Answer : Option C

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29.  The process by which seedless fruits are produced are known as

A. Parthenocarpy

B. Apogamy

C. Parthenogenesis

D. Apospory

Answer : Option A

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30.  A flower is

A. Modified stem

B. Modified leaf

C. Modified branch

D. Modified shoot

Answer : Option D

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