![What is true of wall of pollen sac?Endothecium occurs inner to tapetumTapetum lies below the endotheciumMiddle layers occur below the epidermis and outside the tapetumMiddle layers lie between endothecium and tapetum What is true of wall of pollen sac?Endothecium occurs inner to tapetumTapetum lies below the endotheciumMiddle layers occur below the epidermis and outside the tapetumMiddle layers lie between endothecium and tapetum](https://search-static.byjusweb.com/question-images/toppr_ext/questions/796271_682437_ans_8afafde9328e487a8e65e8fcbbb457d9.jpg)
What is true of wall of pollen sac?Endothecium occurs inner to tapetumTapetum lies below the endotheciumMiddle layers occur below the epidermis and outside the tapetumMiddle layers lie between endothecium and tapetum
![Pollen tube pathway to the embryo sac. Redrawn with permission from Qu... | Download Scientific Diagram Pollen tube pathway to the embryo sac. Redrawn with permission from Qu... | Download Scientific Diagram](https://www.researchgate.net/publication/320288912/figure/fig3/AS:554247999111169@1509154428340/Pollen-tube-pathway-to-the-embryo-sac-Redrawn-with-permission-from-Qu-et-al-2015-to.png)
Pollen tube pathway to the embryo sac. Redrawn with permission from Qu... | Download Scientific Diagram
![In a dithecous anther, each pollen sac contains 1000 MMC. What is the total number of pollen grain produced by the anther? In a dithecous anther, each pollen sac contains 1000 MMC. What is the total number of pollen grain produced by the anther?](https://www.vedantu.com/question-sets/df42f4f1-d117-47bb-bbff-bc2b2eebed302519743827491986061.png)
In a dithecous anther, each pollen sac contains 1000 MMC. What is the total number of pollen grain produced by the anther?
STRUCTURED/APPLICATION/SKILL TYPEGiven below are two figures (A & B) of a certain part of a flower. Study the figures carefully and answer the following questions:(a) Which major organ of a flower does
![Botany of the living plant. Botany. THE STAMEN AND POLLEN-SAC 247 drying as the anther ripens is that their thin outer waUs shrinlc, while the thick inner wall retains its form. Botany of the living plant. Botany. THE STAMEN AND POLLEN-SAC 247 drying as the anther ripens is that their thin outer waUs shrinlc, while the thick inner wall retains its form.](https://c8.alamy.com/comp/RDY80X/botany-of-the-living-plant-botany-the-stamen-and-pollen-sac-247-drying-as-the-anther-ripens-is-that-their-thin-outer-waus-shrinlc-while-the-thick-inner-wall-retains-its-form-the-result-of-the-shrinkage-of-the-outer-side-of-the-fibrous-layer-will-naturally-be-to-reduce-the-curvature-of-the-convex-sporangia!-wall-and-the-slit-gapes-widely-tig-192-b-the-dusty-pollen-grains-are-then-readily-removed-there-are-various-differfences-in-detail-of-the-dehiscence-of-anthers-particularly-in-highly-specialised-flowers-but-in-all-ordinary-flowers-where-the-pollen-is-dry-and-powdery-the-way-i-RDY80X.jpg)
Botany of the living plant. Botany. THE STAMEN AND POLLEN-SAC 247 drying as the anther ripens is that their thin outer waUs shrinlc, while the thick inner wall retains its form.
![Botany for agricultural students. Plants. STAMEN 461 Stamen. — The stamen (microsporophyll) has its pollen sacs (microsponingia), usually four in number, joined into the struc- ture called anther. The pollen grains ( Botany for agricultural students. Plants. STAMEN 461 Stamen. — The stamen (microsporophyll) has its pollen sacs (microsponingia), usually four in number, joined into the struc- ture called anther. The pollen grains (](https://c8.alamy.com/comp/RH8HEY/botany-for-agricultural-students-plants-stamen-461-stamen-the-stamen-microsporophyll-has-its-pollen-sacs-microsponingia-usually-four-in-number-joined-into-the-struc-ture-called-anther-the-pollen-grains-microspores-are-numer-ous-in-each-sac-and-are-formed-before-the-flower-opens-like-the-spores-of-gymnosperms-pteridophytes-and-bryophytes-they-are-formed-by-special-cells-known-as-mother-cells-of-which-there-are-many-in-each-pollen-sac-as-shown-at-a-in-figure-408-these-mother-cells-also-divide-by-the-reduction-division-that-is-by-the-kind-of-cell-division-in-which-the-dau-RH8HEY.jpg)
Botany for agricultural students. Plants. STAMEN 461 Stamen. — The stamen (microsporophyll) has its pollen sacs (microsponingia), usually four in number, joined into the struc- ture called anther. The pollen grains (
![Athrotaxites yumenensis sp. nov. Pollen sacs and pollen grains light... | Download Scientific Diagram Athrotaxites yumenensis sp. nov. Pollen sacs and pollen grains light... | Download Scientific Diagram](https://www.researchgate.net/publication/259120489/figure/fig8/AS:631596617068559@1527595776559/Athrotaxites-yumenensis-sp-nov-Pollen-sacs-and-pollen-grains-light-micrographs-39.png)