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प्रश्न
The arrangements of ovules within the ovary is known as placentation. What does the term placenta refer to? Name and draw various types of placentations in the flower as seen in T.S. or V.S.
उत्तर
The placenta is a cushion-like flattened tissue to which one or even more ovules are attached. It nourishes the developing embryo.
(a) Parietal Placentation
(b) Marginal Placentation
(c) Axile placentation
(d) Free central placentation
(e) Basal
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संबंधित प्रश्न
Define the following term:
Aestivation
Define the following term:
Placentation
Define the following term:
Epipetalous Stamen
Define the following term:
Perigynous flower
Differentiate between apocarpous and syncarpous ovary.
Describe the various types of placentations found in flowering plants.
A typical flower has 4 different kinds of whorls arranged successively on the swollen end of the stalk/pedicel is called
In a flower, withing a whorl, sepals or petals touch each other at margins without overlapping such flower is of :
Differentiate between pollen and pollenium
The mode of arrangements of sepals or petals in a floral bud is known as aestivation. Draw the various types of aestivation possible for a typical pentamerous flower.
