81.  The pedicel of the female flower coils after pollination in

A. Lotus

B. Hydrilla

C. Vallisneria

D. Trapa

Answer : Option C

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82.  The arrangement of the ?haploid nuclei in the normal dicot embryo sac is

A. 2 + 3 + 3

B. 2 + 3 + 2

C. 3 + 3 + 2

D. 3 + 2 + 3

Answer : Option B

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83.  In the flowering plants, male and female gametes both are

A. Motile

B. Non-motile

C. Diploid

D. Very large

Answer : Option B

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84.  Wind pollination requires that the pollen grains are

A. Heavy and wet

B. Heavy and non-sticky

C. Light and dry

D. Heavy and sticky

Answer : Option C

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85.  Future saprophytic generation in a seed is

A. Cotyledon

B. Endosperm

C. Hypocotyl

D. Embryo

Answer : Option D

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86.  Scatelum is

A. an endosperm

B. a seed coat

C. an embryo

D. a cotyledon

Answer : Option D

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87.  Which one of the following floats in the cytoplasm of the vegetative cell ?

A. Male gamete

B. Generatic cell

C. Female gamete

D. Microspore

Answer : Option B

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88.  .The mature pollen grain contains

A. 3 cells

B. 7 cells

C. 2 cells

D. 1 cells

Answer : Option C

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89.  Pollen tube is formed by

A. Germ pore

B. Exine

C. Style

D. Intine

Answer : Option D

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90.  A single ovule produces

A. 3 female gamete

B. 1 female gamete

C. 2 female gamete

D. 4 female gamete

Answer : Option B

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