Question
Biology Question on Kingdom Monera
The cell wall is composed of two thin overlapping shells which fit together like a soap case in
A
desmids
B
diatoms
C
dinoflagellates
D
slime moulds
Answer
diatoms
Explanation
Solution
The body of diatoms is covered by a transparent siliceous shell (silica deposited in cell wall) known as frustule. The frustule is made of two valves, epitheca and hypotheca. The two valves fit together like a soap box.