In axile placentation, the placenta is axial and the ovules are attached to it in a multilocular ovary. Examples of axile placentation include:
Axile placentation is seen in china rose, tomato and lemon.
Question 82 of 300
📘 CLASS XI
In parietal placentation, the ovules develop on the inner wall of the ovary or peripheral part. The ovary is one-chambered but becomes two-chambered due to the formation of a false septum, as in:
In parietal placentation, the ovary is one-chambered but becomes two-chambered due to the formation of the false septum, e.g., mustard and Argemone.
Question 83 of 300
📘 CLASS XI
In free central placentation, ovules are borne on the central axis and septa are absent. This type is found in:
When the ovules are borne on central axis and septa are absent, as in Dianthus and Primrose the placentation is called free central.
Question 84 of 300
📘 CLASS XI
In basal placentation, the placenta develops at the base of the ovary and a single ovule is attached to it. Examples include:
In basal placentation, the placenta develops at the base of ovary and a single ovule is attached to it, as in sunflower, marigold.
Question 85 of 300
📘 CLASS XI
After fertilisation, the ______ develop into seeds and the ______ matures into a fruit.
After fertilisation, the ovules develop into seeds and the ovary matures into a fruit.
Question 86 of 300
📘 CLASS XI
A fruit formed without fertilisation of the ovary is called a:
If a fruit is formed without fertilisation of the ovary, it is called a parthenocarpic fruit.
Question 87 of 300
📘 CLASS XI
If the pericarp of a fruit is thick and fleshy, it is typically differentiated into which three layers?
When pericarp is thick and fleshy, it is differentiated into the outer epicarp, the middle mesocarp and the inner endocarp.
Question 88 of 300
📘 CLASS XI
The fruits of mango and coconut are structurally known as:
In mango and coconut, the fruit is known as a drupe.
Question 89 of 300
📘 CLASS XI
Mango and coconut drupes develop from ______ ovaries and are ______ seeded.
They (mango and coconut drupes) develop from monocarpellary superior ovaries and are one seeded.
Question 90 of 300
📘 CLASS XI
How is the mesocarp of coconut characterized, distinguishing it from the fleshy edible mesocarp of mango?
In mango the middle mesocarp is fleshy and edible, while in coconut, the mesocarp is fibrous.