Which flatworms are parasites of vertebrates and have a head modified into a scolex with hooks and suckers for attaching to places such as the intestinal wall of hosts?

a. Trematoda
b. Cestoda
c. Turbellaria
d. Polychaeta


Ans: b. Cestoda

Biology & Microbiology

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Indicate whether the statement is true or false

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A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between _____

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Which part of the mammalian brain is

disproportionately smaller than the corresponding part of a fish brain? a. medulla oblongata b. thalamus c. pons d. midbrain e. cerebrum

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In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

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Biology & Microbiology