Which of these structures have a bluish appearance?
A. Sclera
B. Cornea
C. Choroid
D. Retina
Answer:C
Which of these structures have a bluish appearance?
A. Sclera B. Cornea C. Choroid D. Retina
Explanation: The eyeball is surrounded by three membranes-the outermost sclera, the middle choroid and the innermost retina. The choroid layer is rich in blood vessels and hence gives a bluish appearance.