The cones in the retina differ from rods in that they are more

A. False There are about 6 million cones compared with 120 million rods.

B. True Rods alone give achromatic vision.

C. False The rods are much more sensitive; their pigment is bleached in bright light.

D. True Acuity is highest with foveal (cone) vision.

E. False Vitamin A is essential for rhodopsin synthesis for rod vision only