Question

Match the columns and find the correct combination.

(a)	Earthworm	(i)	Pulmonary
(b)	Human	(ii)	Branchial
(c)	Prawn	(iii)	Tracheal
(d)	Insects	(iv)	Cutaneous

• A. a-(i), b-(ii), c-(iii), d-(iv)
• B. a-(iv), b-(i), c-(ii), d-(iii)
• C. a-(iii), b-(ii), c-(iv), d-(i)
• D. a-(iv), b-(ii), c-(i), d-(iii)

Answer 1

Answer: (B)

a-(iv), b-(i), c-(ii), d-(iii)

Option 'B' is correct

a) Earthworm - Earthworm breathe through there skin. Air dissolves on the mucus of the skin. This process is known as calcareous respiration.

b) Human - The human respiratory system consists of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory systems are lungs. The gases are exchanged in the lungs where $O_2$ is diffuses out of the blood.

c) Prawn - Prawn carries three sets of organs for respiration - using of branchiostegite, epipodites and gills.

d) Insects - Insects take in oxygen and expel $C{O}_2$ using a series off internal air tubes the tracheae.