Question

4. Virologist have been utilizing the embryonic chicken egg for propagation of viruses for over 50 years. Which of the following statements is not correct regarding propagation of viruses within the embryonic egg:
a. The yolk sac, allantoic cavity, and chorioallontic membrane can sustain virus propagation
b. The yolk sac, chorioallantoic membrane and amniotic cavity can sustain virus propagation
c. The yolk sac can sustain virus propagation
d. The yolk sac, albumin region, and allantoic cavity can sustain virus propagation
e. Both B and C
f. Both C and D
g. None of the Above

Answer 1

The Incorrect statement regarding the propagation of viruses within the embryonic egg is ; ( D )  The yolk sac, albumin region, and allantoic cavity can sustain virus propagation

The yolk sac and allantoic cavity can sustain virus propagation but albumin region cannot sustain the virus propagation while the yolk sac inoculation is used for  the simplex herpes virus.

The allantoic cavity inoculation is used for disease like influenza, mumps and the Newcastle diseases.

Hence we can conclude that the wrong statement is The yolk sac, albumin region, and allantoic cavity can sustain virus propagation

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