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In which process multicellular organisms break into smaller pieces upon maturation?
Sporulation
Fission
Regeneration
Fragmentation
Fragmentation
Fragmentation is a form of asexual reproduction in multicellular organisms where the body breaks into distinct fragments upon maturation. Each fragment develops into a new, independent individual, as seen in organisms like Spirogyra.
Fragmentation is a form of asexual reproduction in multicellular organisms where the body breaks into distinct fragments upon maturation. Each fragment develops into a new, independent individual, as seen in organisms like Spirogyra.
This biological process is fundamental to the study of asexual reproduction, which is a key topic in the NCERT Class 10 Biology curriculum, specifically in the chapter 'How do Organisms Reproduce?'.
Fragmentation is primarily observed in filamentous algae like Spirogyra.
It is a simple form of asexual reproduction requiring no specialized reproductive cells.
The process occurs spontaneously when the organism reaches a specific maturation size.
Sporulation involves the production of spores (e.g., in Fungi like Rhizopus), not fragmentation of the body.
Fission (Binary or Multiple) involves the splitting of a unicellular organism into two or more daughter cells (e.g., Amoeba).
Regeneration is the ability to regrow lost body parts (e.g., Planaria), which is different from fragmentation as it is often a response to injury.
Fragmentation relies on the simple body plan of the organism, allowing every cell to function independently after separation.
D is correct тАФ Fragmentation is the process where a mature multicellular organism breaks into pieces, each of which develops into a new individual.
Distinguish clearly between fragmentation and regeneration; fragmentation is a reproductive strategy, while regeneration is often an injury-repair mechanism.
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