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


1.
Which of the following is NOT a part of the gynoecium?
A.
Filament
B.
Ovary
C.
Stigma
D.
Style
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ANSWER :
A. Filament
2.
The hard outer layer of the pollen grain is called:
A.
Sporoderm
B.
Intine
C.
Exine
D.
Tapetum
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ANSWER :
C. Exine
3.
Germ pores in pollen grains are the regions where:
A.
Sporopollenin is deposited in excess
B.
Both exine and intine are absent
C.
Exine is absent
D.
Intine is absent
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ANSWER :
C. Exine is absent
4.
Tapetum is the innermost layer of the anther wall and its function is:
A.
Mechanical support
B.
Protection of anther
C.
Dehiscence of anther
D.
Nourishment of developing pollen grains
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ANSWER :
D. Nourishment of developing pollen grains
5.
A typical anther is:
A.
Monothecous and bisporangiate
B.
Dithecous and bisporangiate
C.
Dithecous and tetrasporangiate
D.
Monothecous and tetrasporangiate
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ANSWER :
C. Dithecous and tetrasporangiate
6.
The number of nuclei in a typical embryo sac of angiosperms is:
A.
8
B.
10
C.
7
D.
6
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ANSWER :
A. 8