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Echinoderms

Free 34+ Echinoderms MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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Echinoderms — MCQs for Pakistan government job tests

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Echinoderms

Practice questions

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1.In sea cucumbers fertilization is usually__________?

2.Most taxonomists that echinoids are closely related to_________?

3.Alleged medicinal use for sea cucumbers include treatment for_________?

4.Most sea cucumbers ingest particulate organic matter using their__________?

5.Echinoids have a large coelom and coelomic fluids are__________ circulatory medium?

6.Embryos are planktonic and _________ are used in swimming?

7.In sea stars undigested material is expelled through the_________?

8.________are extensions of the canal system?

9.Free living or attached by an aboral stalk of ossicles belongs to class_________?

10.Living Echinoderms are divided into _________ classes?

11.Primary nitrogenous waste product in ophiuroids is__________?

12.Sea stars respond to__________?

13.The larger, oral stomach sometimes called_________ stomach?

14.Ossicles are derived from__________?

How to prepare with Echinoderms MCQs

  • Work through questions topic by topic, then revisit any you answered incorrectly.
  • Read explanations carefully—they often cover facts that repeat across PPSC, FPSC, and NTS papers.
  • Pair subject practice with past papers to see how Echinoderms appears in real exam conditions.

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