A) Rounded and nonciliate
B) Sickle - shaped biflagellate
C) Boat ? shaped nonciliate
D) Large, top-like, spirally twisted with cilia
Correct Answer: D
Solution :
The male gametes of cycas are largest \[(300\mu )\] in nature, broad and naked at posterian end and spirally coiled in the anterior half with thousands of small cilia.
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