Phylum Arthropoda - Questions & Answers | Exam2Win

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331. Pinnules occur over the arms of

A. Asterias

B. Antedon

C. Astropecten

D. Holothuria

Explanation:

332. Echinoderms are

A. Ammonotelic and aminotelic

B. Ureotelic

C. Uricotelic

D. Both B and C

Explanation:

333. Heart Urchin belongs to class

A. Asteroidea

B. Ophiuroidea

C. Echinoidea

D. Holothuroidea

Explanation:

334. Cyclops differs from Daphnia in

A. Having green colouration

B. Absence of heart

C. Absence of carapace

D. All the above

Explanation:

335. Which one is the characteristic of class crustacean?

A. Cephalothorax with two pairs of antennae

B. Gills and green glands

C. Both A and B

D. Cephalothorax with one pair of antennae

Explanation: