Annelida & Arthropoda — NEET Biology MCQs with Solutions
Free NEET Biology Annelida & Arthropoda MCQs with step-by-step solutions (6 questions). Part of Animal Kingdom. Practise online on Prepizo — no login needed.
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Questions with solutions
Q1 — Annelida & Arthropoda · easy · theory
Arthropoda is the ______ phylum in the animal kingdom (largest number of species):
A. Least diverse
B. Largest ✓ Correct
C. Smallest
D. Second smallest
Solution: Two-thirds of all named animal species are arthropods — the largest phylum.
Q2 — Annelida & Arthropoda · easy · theory
Locomotory organs in the earthworm (Annelida) are the:
A. Wings
B. Setae (and, in Nereis, parapodia) ✓ Correct
C. Tentacles
D. Tube feet
Solution: Annelids move using setae; the aquatic Nereis has lateral parapodia.
Q3 — Annelida & Arthropoda · medium · theory
The excretory organ of annelids is the ______, whereas in insects (arthropods) it is the ______:
A. Nephridia; Malpighian tubules ✓ Correct
B. Green glands; flame cells
C. Malpighian tubules; nephridia
D. Flame cells; nephridia
Solution: Annelids excrete via nephridia; insects use Malpighian tubules (crustaceans use green/antennal glands).
Q4 — Annelida & Arthropoda · medium · theory
A defining feature of Arthropoda is the presence of:
A. A notochord
B. Jointed appendages and a chitinous exoskeleton ✓ Correct
C. Nephridia and setae
D. A water vascular system
Solution: The name means "jointed feet"; arthropods have a chitinous exoskeleton and jointed appendages, with an open circulatory system.
Q5 — Annelida & Arthropoda · hard · theory
The circulatory system of arthropods is ______, whereas that of annelids is ______:
A. Both open
B. Open; closed ✓ Correct
C. Closed; open
D. Both closed
Solution: Arthropods have an open circulatory system (haemocoel); annelids have a closed circulatory system.
Q6 — Annelida & Arthropoda · hard · theory
Which set of animals are all arthropods of medical/economic importance?
A. Pheretima, Hirudinaria, Nereis
B. Asterias, Antedon
C. Aplysia, Pila, Octopus
D. Anopheles (mosquito), Apis (honey bee), Locusta (locust) ✓ Correct
Solution: Mosquito, honey bee and locust are arthropods; the second set are annelids and the others are molluscs/echinoderms.