Question

Censer mechanism of seed dispersal is found in
A. Papaveraceae
B. Liliaceae
C. Leguminosae
D. Rosaceae

Answer 1

Hint: If a seed from a parent plant lands or disperse very near to the parent plant, they would have to share the same resources to grow. This might mean there is not enough space, light, water or nutrients from the soil for plants to grow well. Therefore, the seeds need to be dispersed or spread out from the patent plant, when they are ready to grow into a new plant.

Complete answer:Different plants disperse the seeds in different ways. Seed dispersal is a process by which seeds are dispersed to distant places by agents like wind, water, explosion and animals. These agents make the process of seed dispersal easier. Let’s now discuss the process in detail:
Dispersal of seeds by wind: Seeds like dandelion have hair-like structures attached to that of plants are so light in weight that they easily get carried away by the wind. Does, even the seeds get carried to distant places.
Dispersal of seeds by water: fruits which float such as lotus and coconut palm are carried by water.
Dispersal of seeds by explosion: Fruits or pods containing seeds burst on their own. The pods dry and split open suddenly with considerable force through the seeds at a distance, examples like broom plants and pea plants. These were all the abiotic agents. Even biotic agents also help in seed dispersal.
Dispersal of seeds by biotic agents (Animals): Seeds and fruits possess hooks, barbs, spines, bristles by which they adhere to bodies of animals, which helps in seed dispersal.
In wind dispersal, there is an adaptation called censor mechanism - in censor mechanism the capsules open at the apex through minute pores, on swaying the seeds escape out of the pores. Example- poppy plant, these plants belong to the family called Papaveraceae.

Hence, from above discussion we can conclude that the right answer is option A- papaveraceae.

Note: Papaveraceae family generally known as poppy family consists of 28 genera and 700 species. Out of which 45 varieties are found in India. Seeds of Papaver somniferum use as spice and Opium obtained from the latex of the unripe fruits of Papaver somniferum.