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MCQ on Polysiphonia with Answers

This article leads you to Top 5 solved MCQ on Polysiphonia which is important topics important from NEET standpoint and Other Entrance Exams. The MCQ below lists different topics with corresponding Polysiphonia MCQ, facilitating smooth learning and search experience.

MCQ on Polysiphonia with Answers

1. Polysiphonia is an example of_________
A. Brown Algae
B. Green Algae
C. Red Algae
D. Diatoms
Answer: (C) Red Algae
Explanation: Polysiphonia is a multicellular red alga belonging to the phylum Rhodophyta, characterized by the pigment phycoerythrin, which gives the red color.

2. Which among the following life cycle is exhibited by Polysiphonia?
A. Diplontic
B. Haplontic
C. Triplontic
D. Haplo-diplomatic
Answer: (B) Haplontic
Explanation: Polysiphonia shows a complex haplobiontic life cycle that includes a dominant gametophytic (haploid) phase with alternation of generations.

3. Examples of Rhodophytes are___________?
A. Chondrus
B. Polysiphonia
C. Both of these
D. None of the above
Answer: (C) Both of these
Explanation: Chondrus and Polysiphonia both belong to Rhodophyta (red algae), known for their red pigments and agar or carrageenan content.

4. Which one of the following algae is a source of iodine?
A. Polysiphonia
B. Laminaria
C. Nostoc
D. Diatoms
Answer: (B) Laminaria
Explanation: Laminaria, a brown alga (Phaeophyceae), is rich in iodine and is often harvested for its commercial iodine content.

5. The red alga devoid of red pigment is___________
A. Gracilaria
B. Batrachospermum
C. Polysiphonia
D. Laminaria
Answer: (B) Batrachospermum
Explanation: Though classified under Rhodophyta, Batrachospermum often lacks the typical red pigment phycoerythrin, making it appear greenish or bluish.

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