a.Megaloblastic anaemia is associated with fish tapeworm (D. latum).
b. The definitive host is human and there are two intermediate hosts.
c.The first intermediate host is Cyclops and the second intermediate host is fish.
d. Infection occurs by consumption of improperly cooked fish containing the larval form of the parasite.
e.It is the largest tapeworm infecting humans. It localizes in the small intestine of man.
f. The diagnosis is by stool examination for demonstration of operculated eggs and proglottids (segments).