The table given below shows a list of organisms and their methods of reproduction. What do P, Q and R represent? OrganismMethodofreproductionSpongePPlanariaQHydraR
A
P – Fission, Q – Budding, R – Regeneration
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B
P – Sporulation, Q – Regeneration, R – Budding
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C
P – Binary fission, Q – Sporulation, R - Regeneration
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D
P – Gemmules, Q – Regeneration, R – Budding
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Solution
The correct option is D P – Gemmules, Q – Regeneration, R – Budding
Sponges reproduce by producing gemmules. A gemmule is a tough-coated dormant cluster of embryonic cells produced by a freshwater sponge for development in more favourable conditions. Planaria can be cut into pieces, and each piece can regenerate into a complete organism. Hydra reproduces by the formation of buds. These buds can stay attached to the parent or can detach to exist as a separate organism.