The 'winged' appearance of Pinus pollen grains is due to the presence of:
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Correct answer: Two lateral air sacs
Pinus pollen grains possess two air-filled bladders or wings called sacci. These structures increase the buoyancy of the pollen grain, allowing it to travel further on wind currents.
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More Gymnosperms questions
- Which part of the gymnosperm seed represents the new sporophyte generation?
- Resin canals, which secrete defensive resins, are a prominent feature in the wood of which group?
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- Which of the following is NOT a characteristic of most gymnosperms?
- What does the term gymnosperm literally refer to?
- Which feature best distinguishes gymnosperms from angiosperms?