Home Biology Biological Classification Skill Builder Which of the following is correct about chry…
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 13, 2026

Which of the following is correct about chrysophytes?

(I) Found in fresh and marine water

(II) Microscopic plankton

(III) Cell walls are embedded with CaCO 3

(IV) Most of them are photosynthetic

A
(I) and (III) only
B
(I), (III) and (IV) only
C
(I), (II) and (IV) only
D
(I) and (IV) only

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Verified by Experts
The correct answer is:
C

Robert Whittaker classified chrysophytes as aquatic, microscopic plankton (I, II correct) and most are photosynthetic (IV correct). Their cell wall is made of silica, not CaCO 3 , so (III) is incorrect.

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