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Q.901
Easy
NEET Zoology
Animal Kingdom
The water vascular system is unique to which phylum?
Correct Answer:
C. Echinodermata
EXPLANATION
Echinoderms (starfish, sea urchins) possess a characteristic water vascular system used for locomotion and feeding.
Q.902
Easy
NEET Zoology
Animal Kingdom
Which phylum contains animals with a true coelom and closed circulatory system?
Correct Answer:
B. Annelida
EXPLANATION
Annelida (earthworms, leeches) are characterized by a true coelom and closed circulatory system with blood vessels.
Q.903
Easy
NEET Zoology
Animal Kingdom
Cnidarians are characterized by the presence of:
Correct Answer:
A. Nematocysts and radial symmetry
EXPLANATION
Cnidarians (jellyfish, corals, sea anemones) possess nematocysts (stinging cells) and exhibit radial symmetry, which is their defining characteristic.
Q.904
Easy
NEET Zoology
Animal Kingdom
Which of the following is the correct hierarchical classification of animals?
Correct Answer:
A. Kingdom → Phylum → Class → Order → Family → Genus → Species
EXPLANATION
The correct taxonomic hierarchy from largest to smallest grouping is Kingdom, Phylum, Class, Order, Family, Genus, and Species (KPCOFGS).