Question

Spirogyra differs from Fucus in the absence of

• A. Chlorophyll 'a'
• B. Flagellated male gametes
• C. Non-flagellated male gametes
• D. Thalloid gametophyte

Answer 1

The correct option is B Flagellated male gametes

B. Flagellated male gametes

Solution: Spirogyra is green an algae that produces non-flagellated gametes. But the Fucus is a brown algae that produces flagellated gametes.

So the correct answer is "Flagellated male gametes".