question_answer 29)

  Match the following columns.

Column I	Column II
a. Earthworm	1.Moist cuticle
b. Aquatic arthropods	2.Gills
c. Fishes	3. Lungs
d. Birds/Reptiles	4. Trachea

Codes       A   B   C   D                         A   B   C   D (a) 2   1   4   3                     (b) 1   4   2   3 (c) 1   3   2   4                     (d) 1   2   4   3

Answer:

                  (b) Earthworm respire through their moist cuticle and aquatic arthropods, respire through trachea. Fishes respire through gills, and birds/reptiles respire through lungs.