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Reptilia Creeping Vertebrates - Questions and Answers

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471. Stridulation is
A. Gate of crickets
B. Respiratory movement of grassphoppers
C. Harsh shrill sound of crickets and grasshoppers
D. Copulatory dance
Explanation:
472. Animals included under radiate are
A. Triploblastic
B. Diploblastic
C. Unicellular and colonial
D. All the above
Explanation:
473. Johnston’s organ occurs in
A. Spiders
B. Centipedes
C. Crabs
D. Insects
Explanation:
474. Which one is an incidental parasite
A. Taenia solium
B. Echinococcus granulosus
C. Schistosoma haematobium
D. Ancylostoma duodenale
Explanation:
475. Scrapie of sheep and Cruetzfeldt-Jacob nervous disease of humans are caused by
A. Prions
B. Viroids
C. RNA-viruses
D. DNA-viruses
Explanation: