In ferns, a cluster of sporangia on the underside of a sporophyll is called a:
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Correct answer: Sorus
On the ventral surface of fern leaves, sporangia are organized into clusters called sori (singular: sorus). These are often protected by a flap of tissue called the indusium.
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More Pteridophyte Structural Features questions
- Which of the following statements is INCORRECT regarding pteridophytes?
- Pteridophytes are evolutionarily significant as they are the first terrestrial plants to possess which of the following?
- In the life cycle of pteridophytes, the main plant body is a _______ which is differentiated into _______.
- Small leaves known as 'microphylls' are a characteristic feature of which pteridophyte?
- Which of the following structures in pteridophytes bear sporangia that are subtended by leaf-like appendages?
- In some pteridophytes like Selaginella and Equisetum, sporophylls may form distinct compact structures called: