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nigeria-coat-of-arm

5Points Quiz

The following options are possible life cycles of digeneasexcept _____.

        A.   Adult parasites (Asexual/Sexual reproduction) eggs larval parasites (Asexual reproduction)/first intermediate host Cercaria larval parasites metacercaria - final definitive host.

        B.   Adult parasites (Asexual/Sexual reproduction) eggs larval parasites (first intermediate host Cercaria larval parasites metacercaria - larval parasites (Arre final definitive host.

        C.   Adult parasites (Asexual/Sexual reproduction) eggs larval parasites (Asexual reproduction)/first intermediate host final definitive host.

        D.   Adult parasites (Asexual/Sexual reproduction eggs larval parasites (Asexual reproduction)/first intermediate host Cercaria final definitive host.

Answer: C

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Which of the following is not correct about Schisotomes?

        A.   Schisotomes are hermaphrodites.

        B.   Schisotomes are digeneans.

        C.   Cross fertilization between different individuals is more generally the rule with Schisotomes.

        D.   In Schosotomes, the genital atrium opens into the uterus.

Answer: A

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How does Echinostoma sp. differ form of trematode differ from Fasciola hepatica?

        A.   In Fasciola hepatica oral sucker is surrounded by a prominent collar that is equipped with spines.

        B.   In Echinostoma sp. oral sucker is surrounded by a prominent collar that is equipped with spines.

        C.   Echinostoma sp. Has only one sucker, which is prominent at the posterior of the body.

        D.   Fasciola hepatica has only one sucker, which is prominent at the posterior of the body

Answer: B

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The following are true of integral membrane proteinexcept _____.

        A.   The integral membrane protein cannot be visualised by fluorescence microscopy.

        B.   Integral membrane proteins interact widely with hydrocarbon chains of membrane lipids.

        C.  The integral membrane protein can be visualised by electron microscopy.

        D.   Integral proteins are the most abundant type of protein scattered in the lipid bilayer.

Answer: A

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It is the most important human helminthiasis in terms of morbidity and mortality with an estimated annual incidence of infection of > 200 million cases and associated estimated annual mortality rate of about 1 million deaths. Which disease incidence does this describe?

        A.   Echinostomiasis

        B.   Schistosomiasis

        C.   Paragonimiasis

        D.   Chinese liver fluke

Answer: B

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