Select the wrong statement.
(a) The walls of diatoms are easily destructible
(b) 'Diatomaceous earth' is formed by the cell walls of diatoms
(c) Diatoms are chief producers in the oceans
(d) Diatoms are microscopic and float passiveley in water
(a) Diatoms are single celled plant like protists that produce intricately structured cell walls made of nano(-) silica . Thus, the walls are indestructible. Hence, only option (a) is wrong and rest of the options are correct.