Which of the following sets of plants all possess superior ovaries (hypogynous flowers)?
Mustard, china rose and brinjal are examples of hypogynous flowers with superior ovaries.
Question 62 of 300
📘 CLASS XI
If the gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level, the flower is called:
If gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level, it is called perigynous.
Question 63 of 300
📘 CLASS XI
In perigynous flowers, the ovary is said to be ______ as seen in ______.
The ovary in perigynous flowers is said to be half inferior, e.g., plum, rose, peach.
Question 64 of 300
📘 CLASS XI
In epigynous flowers, other floral parts arise above the ovary because the margin of the thalamus grows upward enclosing the ovary completely and gets fused with it. Here, the ovary is said to be ______ as in ______.
In epigynous flowers, the ovary is inferior as in flowers of guava and cucumber, and the ray florets of sunflower.
Question 65 of 300
📘 CLASS XI
What is the outermost whorl of the flower, and what are its individual members called?
The calyx is the outermost whorl of the flower and the members are called sepals.
Question 66 of 300
📘 CLASS XI
When sepals in a calyx are united, the calyx is termed ______, and when they are free, it is ______.
The calyx may be gamosepalous (sepals united) or polysepalous (sepals free).
Question 67 of 300
📘 CLASS XI
The mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl is known as:
The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation.
Question 68 of 300
📘 CLASS XI
In valvate aestivation, sepals or petals in a whorl just touch one another at the margin, without overlapping. This is seen in:
When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in Calotropis, it is said to be valvate.
Question 69 of 300
📘 CLASS XI
If one margin of the appendage overlaps that of the next one and so on (as in china rose, lady’s finger, and cotton), the aestivation is called:
If one margin of the appendage overlaps that of the next one and so on as in china rose, lady’s finger and cotton, it is called twisted.
Question 70 of 300
📘 CLASS XI
If margins of sepals or petals overlap one another but not in any particular direction, the aestivation is called ______ as in ______.
If the margins of sepals or petals overlap one another but not in any particular direction as in Cassia and gulmohur, the aestivation is called imbricate.
