Question

What is the nature of cell walls in diatoms?

Answer 1

Answer:

The process of cell walls construction of diatoms is known as Frustule. It has two thin overlapping shells fitting into each other just as a soap-box. Their walls are made up of silica. The dead and decomposed diatoms deposit the sillica present in their walls in form of diatomaceous earth.

Explanation:

Answer 2

Answer:

• Diatoms are a major group of algae found in oceans and other water bodies.
• They are unicellular.
• Diatoms are responsible for the production of 20 percent of the Earth's oxygen supply.
• Their call wall is made up of silica and is called frustule.
• It is composed of two overlapping sections called thecae.
• The cell wall consists of cellulose impregnated with silica which show sculpturing and ornamentation.
• Diatoms are often called the pearls of the ocean (or jewels of the sea) because they are often beautifully marked and striated and on interaction with light look like jewels.

Odontella aurita: A type of Diatom. As you can see their silica cell wall makes them look like little jewels.

JAI SHREE RAM