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What is All are true about Helminths, except? and explain in detail?
Ans. is 'd' i.e., Body cavity is present in trematodes Alimentary canal is absent in trematodes Option b is absolutely incorrect Body cavity is absent in trematodes. Option d is also incorrect, but we can consider here it as paially correct because though the alimentary canal is present in trematodes, it is incomplete with no anus. Thus, option b is the best answer here (though option d is also incorrect) :? Table showing the differences between Cestodes, Trematodes and Nematodes Cestode Trematode Nematode Shape Tape-like; segmented Leaf-like; unsegmented Elongated, cylindrical; unsegmented Sexes Not separate, i.e., herma- phrodite (monoecious) Not separate (Monoe? cious), except Schisto? somes which are diecious Separate (diecious) "Head" End Suckers, often with hooks Suckers, no hooks No suckers, no hooks Well-developed buccal capsule in some species Alimentary Absent Present but incomplete Present and complete canal no anus anus present Body cavity Absent Absent Present