SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Albumen
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Allantois
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Yolk sac
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Chorion
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Amnion
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Detailed explanation-1: -Surrounding all the other membranes is the chorion, providing an overall enclosure for the young. Around the chorion is the albumin, or “white” of the egg, and an outer shell protects the whole egg, preventing drying while still permitting air to reach the embryo.
Detailed explanation-2: -Amniotic sac. A thin-walled sac that surrounds the fetus during pregnancy. The sac is filled with liquid made by the fetus (amniotic fluid) and the membrane that covers the fetal side of the placenta (amnion). This protects the fetus from injury.
Detailed explanation-3: -Amnion: It is the membrane that protects the foetus and secretes a protective fluid. The protective fluid is the amniotic fluid that surrounds the embryo.
Detailed explanation-4: -Answer and Explanation: The correct answer is D) the amnion. The structure that most closely surrounds the embryo in an amniotic egg is the amnion.