Frustules are found in which of the following algae?
ABacillariophycophyta
BChlorophycophyta
CEuglenophycophyta
DRhodophycophyta
Answer:
A. Bacillariophycophyta
Read Explanation:
Bacillariophycophyta or diatoms produce shells (cell walls) containing silica, some of which are very beautiful. Shells of diatoms are called frustules.