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A dithecous anther consists of (i) microsporangia, (ii) in each lobe. (i) (ii) (A) four two (B) two one (C) two two (D) four one
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Important Questions on Sexual Reproduction in Flowering Plants
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Anther is generally .
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The given diagram shows the microsporangium of a mature anther. Identify A, B and C.
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The anther wall consists of four wall layers where
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The function of labelled part X is ----------------.
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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.
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Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by -------------------------.
HARD
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Which is the correct function of tapetum?
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In angiosperms various stages of reductional division can best be studied in ---------------------.
