Question

A student observed a water drop under microscope. He found a photosynthetic organism. Its cell walls form two thin overlapping shells, which fit together as in a soap box. Which of the following organism it is? A. Euglenoid
B. DinoflagellateC. Sporozoans
D. Diatom

Answer 1

When a student observed a water drop under the microscope. He found a photosynthetic organism.

Its cell walls shape in two thin overlap shells, which are fit together like in the soapbox; the student saw diatoms through the microscope.

Diatoms are unicellular protists organism. They are arranged in a plate-like structure known as frustules that overlap each other giving a soap case like structure. Diatoms are made of multiple vesicles.