Question

Shell of Diatom is made up of :
(a) CaCO₃
(b) silica
(c) magnesium carbonate
(d) calcium phosphate

Answer 1

Shell of diatoms:

• Option “B” is correct i.e. Silica.

• Shells of diatoms are made up of silica.

• Diatoms, plytoplanktonic cells that give efficiency to the biological carbon pump, have the particularity to produce a shell (frustule) made of biogenic silica from ran silica in water. The silica shell allows them to shield from predators

Hope it helped...

Answer 2

Explanation:

Shell of Diatom is made up of :

(a) CaCO₃

(b) silica ✔️

(c) magnesium carbonate

(d) calcium phosphate