Sexual Reproduction in Flowering Plants( Flower structure; Development of Male and Female Gametophytes; Pollination-types, Agencies...) NEET Questions

Biology - Reproduction

Sexual Reproduction in Flowering Plants( Flower structure; Development of Male and Female Gametophytes; Pollination-types, Agencies...) MCQ Questions


13.
Endosperm of angiosperms is generally:
A.
Triploid
B.
Diploid
C.
Haploid
D.
Tetraploid
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ANSWER :
A. Triploid
14.
Which part of the ovule forms the seed coat after fertilization?
A.
Nucellus
B.
Integuments
C.
Funicle
D.
Micropyle
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ANSWER :
B. Integuments
15.
Which type of pollination increases genetic diversity?
A.
Autogamy
B.
Geitonogamy
C.
Xenogamy
D.
Cleistogamy
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ANSWER :
C. Xenogamy
16.

Which of the following represents the female gametophyte in angiosperms?

NEET - 2016

A.

Ovule

B.

Embryo sac

C.

Nucellus

D.

Megaspore mother cell

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ANSWER :

B. Embryo sac

17.
Polyembryony is commonly seen in:
A.
Mustard
B.
Groundnut
C.
Citrus
D.
Rice
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ANSWER :
C. Citrus
18.
Which of the following prevents autogamy?
A.
Bisexual flower
B.
Cleistogamy
C.
Herkogamy
D.
Geitonogamy
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ANSWER :
C. Herkogamy