draw a structure of anatropous ovule and write down most common type.
Answers
Answer:
In anatropous ovule, the plant ovule is oriented in an inverted condition so that the micropyle is bent down to the funiculus to which the ovule is attached. The chalazal end is located towards the top position. The ovule is a female reproductive part of the plant that eventually develops into the seed after fertilization.
Structure of ovule:
Funicle: It is a small structure that connects the ovule to the placenta.
Hilum: It is the point of attachment where the body of the ovule fuses with the funicle.
Nucellus: This is the body of the ovule that consists of a mass of parenchymatous cells known as nucellus. The nucellus can be massive or thin. The cells of nucellus have abundant food material.
Integuments: Nucellus is enclosed by the one or two or multicellular protective envelopes called integuments. In higher dicots, there is only one integument in the ovule while in monocots or primitive dicots, two integuments are found in the ovule.
Chalaza: It is the place of the origin of integuments that typically lies at the opposite end of the micropyle. It represents the basal part of the ovule.
Micropyle: Micropyle is a pore that presents in the integuments at the end. It is located opposite to the chalazal end
Explanation:
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