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The plant having monaldelphous stamens and axile placentation is?
a. China rose
b. Pea
c. Cucumber
d. Lemon

Last updated date: 16th Jun 2024
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Hint: Monaldelphous stamens are those in which filaments of all stamens are fused together to form a single tube, with free anthers. In axile placentation, ovules or female gametes are present around the centre of the ovary on an axis formed from joined at single point.

Complete answer:
In angiosperms, flower which is the special modification of shoot is responsible for the sexual reproduction that means, male and female gametes fuse or fertilise to form new individuals of that particular organism.

Flower of a plant helps in the reproduction of the plant. It gives fruits to the other organisms. It produces juices which many insects use to make honey and other products for their survival.

Now, monaldelphous stamens are the filaments that are combined to form a single unit bundle but anthers are in free state. Examples of plants having this type of flowers are cotton, lady’s finger, china rose, etc.

In axile placentation, the ovary is divided into radial sections of different spokes which are placed in the separate area. Female gametes are placed along the central axis of placenta in which the total number of chambers can be considered as the total number of carpels present in the flower. This type of complex structure is found in the bi or multicarpellary and multilocular ovaries of the flower. Examples of this type of plants are china rose. Lemon, cotton, etc.

Hence, the correct answer is option (A).

Note: These flowers have different shape, size, colour and arrangements. These consist of sepals, petals, stamens and carpels. Stamen of a flower is the androecium (male reproductive organ) and the carpel (Female reproductive organ) is gynoecium.