Multiple Choice Questions
1. The type of placentation seen in Hibiscus ovary is
a. parietal
b. marginal
c. free central
d. axile
2. The anthers in Hibiscus are
a. monothecus
b. monothecus basifixed
c. bithecus basifixed d. bithecus dorsifixed
3. Hibiscus shows protandrous condition. It will favour
a. self pollination
b. cross pollination
c. vegetative reproduction
4. In Hibiscus, aestivation of calyx is
a. contorted and valvate
c. valvate and twisted
5. Hibiscus is a hypogynous flower because its ovary is
a. inferior
c. superior
d. autogamy
and of corolla is
b. twisted and valvate
d. vexillary and valvate
b. semi-superior
d. semi-inferior
Answers
Answer:
1.a. 2.c. 3.c. 4.c. 5.d. 6.b.
Explanation:
here is the ans.
The answers are 1. axile, 2. monothecus, 3. self-pollination, 4. twisted aestivation, 5. superior
Explanation:
1. Axile placentation refers to the configuration of tissues in the ovary in which the placenta is axial and the ovules are connected to it. The hibiscus flower exhibits this.
2. Anthers with a single lobe and two pollen chambers are known as monothecous anthers. Because they have two pollen chambers, they are also known as bisporangiate. Consider the hibiscus.
3. Protandry is a state that arises in hermaphrodite plants to encourage cross-pollination while limiting the process of self-pollination.
4. Five petals make up a hibiscus, and while they are all free, they overlap at the appendage margins. This is twisted aestivation.
5. The hibiscus ovary is referred to as superior because it is located inside the petals rather than under them.
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