Microspore tetrad of angiosperm at time of formation, are surrounded by a callose wall. Breakdown of

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1.Sexual Reproduction in Flowering Plants

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The microspore tetrad of angiosperm at the time of formation, are surrounded by a callose wall. Breakdown of this wall is brought about by the enzyme callase synthesized by the

Tetrad cytoplasm

Ribosome of the tetrad

Spore mother cells

Cells of tapetum

Solution

(d)Tapetum, secrete callase enzyme which dissolves callose substances by which four pollens of pollen tetrad are united, hence separating microspores or pollens of a tetrad.

Standard 12

Biology

In some members of which of the following pairs of families, pollen grains retain their viability for months after release ?

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(NEET-2021)

How many meiotic divisions are necessary to produce $100$ pollen grains

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(AIPMT-1995)

Proximal end of the filament of stamen is attached to the

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(NEET-2016)

Identify $A$ to $D$ in the following diagram

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The function of endothecium is

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The microspore tetrad of angiosperm at the time of formation, are surrounded by a callose wall. Breakdown of this wall is brought about by the enzyme callase synthesized by the

Solution

Similar Questions

In some members of which of the following pairs of families, pollen grains retain their viability for months after release ?

How many meiotic divisions are necessary to produce $100$ pollen grains

Proximal end of the filament of stamen is attached to the

Identify $A$ to $D$ in the following diagram

The function of endothecium is

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