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Zoology Multiple Choice Questions with Answers
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which-of-the-following-makes-the-skin-layer-impervious-to-water
Question
Which of the following makes the skin layer impervious to water?
A
Melanin
B
Chitin
C
Collagen
D
Keratin
View Answer
Answer & Explanation
Answer: Option [D]
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NCERT Class 12 Biology Solved Multiple Choice Questions
