Which of the following involves comparatively greater wastage of pollen?
Chiropterophily
Anemophily
Entomophily
Ornithophily
Which of the following involves comparatively greater wastage of pollen?
A monocarpic plant is one which |
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Axillary buds are used to raise crop of |
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If any somatic cell of sporophyte produces gametophyte without reduction division, it is |
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Banana plant develops from |
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Exine of pollen-grain is made up of |
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In which one of the following pollination is autogamous? |
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The mature anther wall comprises an epidermis followed by a layer of radially elongated cells with fibrous bands of callose called endothelium whose function is |
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Double fertilization involves |
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Special type of grafting, in which scion unite with the stock while still attached to parent plant |
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In a flowering plant archesporium gives rise to |
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