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Q: In which of the following modes of nutrition do organisms take in nutrients in solution form from dead and decaying matter?
  • A. Saprotrophic nutrition
  • B. Insectivorous nutrition
  • C. Symbiotic nutrition
  • D. Parasitic nutrition
Correct Answer: Option A - In saprotrophic modes of nutrition, organisms take in nutrients in solution form from dead and decaying matter. In the context of saprotrophic nutrition, they possess a special type of digestive mechanism which is based on extracellular digestion. Therefore, these organisms which include fungi (mushrooms, pilobolus, etc.) certain bacteria (echerichia coli, water mould, etc.) are referred to as saprophytes.
A. In saprotrophic modes of nutrition, organisms take in nutrients in solution form from dead and decaying matter. In the context of saprotrophic nutrition, they possess a special type of digestive mechanism which is based on extracellular digestion. Therefore, these organisms which include fungi (mushrooms, pilobolus, etc.) certain bacteria (echerichia coli, water mould, etc.) are referred to as saprophytes.

Explanations:

In saprotrophic modes of nutrition, organisms take in nutrients in solution form from dead and decaying matter. In the context of saprotrophic nutrition, they possess a special type of digestive mechanism which is based on extracellular digestion. Therefore, these organisms which include fungi (mushrooms, pilobolus, etc.) certain bacteria (echerichia coli, water mould, etc.) are referred to as saprophytes.