Biology · Gymnosperms
Why does the release of pollen grains from Pinus trees lead to a phenomenon known as 'Sulphur showers'?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The pollen grains are acidic and cause a yellow coloration in rainwater.
- 2The pollen grains react with moisture in the air to produce a distinct sulphur-like smell.
- 3A massive number of yellow pollen grains are released into the air simultaneously.✓
- 4The pollen grains contain a high concentration of elemental sulphur.
Correct answer
A massive number of yellow pollen grains are released into the air simultaneously.
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