Generally, food is broken and absorbed within the body of organisms. In which of the following organisms is it done outside the body?
The correct option is (b) Mushroom. Mushrooms are saprophytic organisms that secrete digestive juices onto dead organic matter outside their body. The food is broken down externally, and then the simpler nutrients are absorbed, unlike organisms like amoeba or paramoecium.
Science important questions Final Exam 2025 Class 10
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The correct answer is (b) Mushroom. Mushrooms show extracellular digestion, meaning they release digestive enzymes outside their body onto decaying organic matter. The enzymes break down complex food into simpler soluble substances, which are then absorbed. In contrast, organisms like Amoeba and Paramecium digest food internally, while lice directly suck pre-digested food from their host.