Animal KingdomMedium
Question
The places of first, second and third moulting of Ascaris larva are
Options
A.soil, alveoli, lung
B.liver, soil, stomach
C.soil, lung, liver
D.soil, intestine, lung
Solution
The rhabditoid larva moults within egg shell in soil to form second stage rhabditoid (capable of infection). Egg hatches in the inestine, bores through epithelium of intestine to enter the ciculatory system and then it reaches alveoli where it moultsfor the second time. after its 3rd moult, it leaves the lungs through traches.
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