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

Answer
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Hint: The capsules of the many plants open in such a way that the seeds will escape only the capsules are violently agitated as by a powerful wind, (e.g., Aristolochia, Poppy, etc.). This encompasses a tendency to scatter the seeds. The seeds could additionally have a flat form or winged outgrowths (as in Aristolochia), and as they're seemingly to flee once there's a powerful wind, they will be blown for respectable distances.

Complete answer:
Censer mechanism is seen in Papaveraceae family, in these members of the family the fruit splits however the force is simply too low to disperse or scatter the seeds.
Zoochory involving beetles and ants is seen within the seed dispersal of lily family (Lillaceae).
Poaceae seed dispersal happens by wind.
Rosaceae seed dispersal happens by endozoochory. Seed dispersal mechanism through ingestion by vertebrate animals, mostly birds and mammals, is known as endozoochory.

Additional Information:
Papaveraceae is usually referred to as the Poppy family. It consists of twenty eight genera and 700 species (Rendle) out of that forty five species are found in Asian countries. The members of this family are well distributed within the northern extra-tropical and temperate countries. Some are found as weeds throughout the world.

Hence, option (A) is the correct answer.

Note:- Seed dispersal is the transport of seeds by the help of both abiotic vectors such as the water and biotic vectors such as animals, away from the parent plant.
Types of seed dispersal:-
Seed Dispersal by Wind
Seed Dispersal by Water
Seed Dispersal by Animal and Birds
Seed Dispersal by Animal and Birds
Seed Dispersal by Explosions