Cement layer is absent in which insect?
A. Housefly
B. Honeybees
C. Grass hopper
D. Butter fly
Answer: Option B
Solution(By Examveda Team)
Cement layer is absent in Honeybees insects.Epicuticle is the outermost layer that is usually thin and has a cement-like chitin-lacking structure.
In many insects a cement layer covers the wax and protects it from abrasion. In many insects, certain epidermal cells are specialized as exocrine glands.
It is not present in honeybees.
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The reduviid bug Sycanus collaris is a predatory of
A. Coconut rhinoceros beetle
B. Red palm weevil
C. Both A and B
D. Termites
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