EASY
NEET
IMPORTANT
Earn 100
The function of labelled part X is ----------------.
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Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
NEET
IMPORTANT
Which of the following statements regarding the structure of microsporangium are correct?
(i) Microsporangium is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tapetum.
(ii) Outer three layers perform functions of protection and dehiscence of anthers.
(iii) Cells of tapetum undergo meiosis and produce microspore tetrads.
EASY
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IMPORTANT
Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by -------------------------.
HARD
NEET
IMPORTANT
Which is the correct function of tapetum?
EASY
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IMPORTANT
In angiosperms various stages of reductional division can best be studied in ---------------------.
EASY
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IMPORTANT
Study of pollen grains is called ---------------------.
EASY
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IMPORTANT
Several pollen grains from a unit designated as pollinium in which family?
EASY
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IMPORTANT
The given figure represents
EASY
NEET
IMPORTANT
How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?
