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Distinctive Features of various Phyla: Match the following and choose the most appropriate option:

A. Aschelminthes 1. Body segmentation like rings
B. Mollusca 2. Often worm shaped, elongated
C. Annelida 3. Exoskeleton of cuticle, jointed appendages
D. Arthropoda 4. Worm-like with proboscis, collar and trunk
E. Hemichordata 5. External skeleton of shell usually present
6. Notochord, dorsal hollow nerve cord

( A ) A-2; B-5; C-1; D-3; E-4
( B ) A-2; B-3; C-1; D-5; E-6
( C ) A-4; B-5; C-1; D-3; E-2
( D ) A-4; B-3; C-1; D-5; E-6

1 Answer

(A) is the right answer.

Distinctive Features of various Phyla: Aschelminthes-Often worm shaped, elongated. Annelida-Body segmentation like rings. Arthropoda-Exoskeleton of cuticle, jointed appendages. Mollusca-External skeleton of shell usually present. Hemichordata-Worm-like with proboscis, collar and trunk. Chordata-Notochord, dorsal hollow nerve cord, gill slits with limbs or fins.
answered Apr 2, 2014 by pady_1