How many red colour eye spots are present in sea star?

Zoology & Animal Kingdom ·Previously asked in JKSSB Veterinary Pharmacist 2025

View the full solved paper: JKSSB Veterinary Pharmacist – 2 March 2025

Question

How many red colour eye spots are present in sea star?

  1. A. 1 pair
  2. B. 2 pairs
  3. C. 3 pairs
  4. D. 5 pairs (Correct answer)

Correct Answer

Option D — 5 pairs

Detailed Solution & Explanation

The correct answer is 5 pairs.

Key Points

  • Sea stars (starfish) have 5 arms, and each arm tip bears a small photoreceptive eyespot (ocellus).
  • Therefore there are 5 eye spots in total.

Topics covered: Echinodermata Sense Organs