NEET 2018 · BiologyChrysophytesPrevious Year Question
Which of the following organisms are known as chief producers in the oceans?
Answer: (B) Diatoms. Answer: (B) Diatoms Solution: Diatoms (chrysophytes) are photosynthetic, float passively as plankton, and NCERT explicitly states they are the chief 'producers' in the oceans.
- A.Cyanobacteria
- B.Diatoms✓
- C.Dinoflagellates
- D.Euglenoids
Correct Answer
(B) Diatoms
Solution & Explanation
Answer: (B) Diatoms Solution: Diatoms (chrysophytes) are photosynthetic, float passively as plankton, and NCERT explicitly states they are the chief 'producers' in the oceans. Cyanobacteria, dinoflagellates and euglenoids are not given this title. NCERT Reference: NCERT Class XI, Biological Classification, p.14, lines 38-39 — "Diatoms are the chief ‘producers’ in the oceans"
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