Question

Which among the following is an incorrect statement?

• A. The walls of diatoms are easily destructible
• B. ‘Diatomaceous earth’ is formed by the cell walls of diatoms
• C. Diatoms are the chief producers in the oceans
• D. Diatoms are microscopic and float passively on water

Answer 1

The correct option is A The walls of diatoms are easily destructible

The walls of diatoms are made up of silica and silica is known to be indestructible. ‘Diatomaceous earth’ is formed by the cell walls of diatoms. They are microscopic, float passively on water and they are the chief producers in the oceans.