Which one of the following is a saprophyte ?

  1. A. Cuscuta
  2. B. Rhizopus
  3. C. Spirogyra
  4. D. Grass

Correct Answer: B. Rhizopus

Explanation

Rhizopus (bread mold) is a fungus that acts as a saprophyte, obtaining its nutrients from dead and decaying organic matter. Cuscuta is a parasite, while grass and Spirogyra are autotrophs.

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