A) Fronds are found in bryophytes
B) Multiciliate sperms are found in angiosperms
C) Diatoms produce basidiospores
D) Heterocysts are found in Nostoc
Correct Answer: D
Solution :
Heterocysts are specialized cells found in blue green algae like Nostoc, Anabaenopsis, Anabaena, Rivularia, Aulosira, Scytonenia etc. Heterocysts are the site of nitrogen fixation in blue-green algae. Fronds are found in Pteridophytes. Angiosperms lack multiciliate sperms and basidiospores are found in fungi not in algae.
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