NTA Abhyas NEET2020BotanyBiological ClassificationPractice
The soil which is used in polishing, filtration of oils and syrups are made of
Options
- Acellulosic plates on surfaces of dinoflagellates
- Bcell wall of chrysophytes
- Ccell body of desmids
- Dextremely resistant spores of slime moulds
Correct answer
B. cell wall of chrysophytes
Step-by-step solution
Chrysophytes include the diatoms and golden algae. Their cell wall deposition in the soil makes the soil gritty, known as diatomaceous earth. This soil is used polishing and filtration of oils and syrups.