Question

Read the following statements carefully and identify the organism described in them.
a. Majority of them found in stagnant fresh water.
b. Cell walls form two thin overlapping shells, which fit together and are embedded with silica.
c. Their rapid multiplication cause red tides.
d. Smallest living cells that can survive without oxygen.

• A. a. Diatoms, b. Cyanobacteria
• B. c. Slime moulds, d. Mycoplasma
• C. b. Amoeboid protozoans, d. Sporozoans
• D. a. Euglenoids, c. Dinoflagellates

Answer 1

The correct option is D a. Euglenoids, c. Dinoflagellates

a $\to$ Euglenoids, b $\to$ Diatoms, c $\to$ Dinoflagellates, d $\to$ Mycoplasma