Images that fall on the optic are not visible because this area lacks rods and cones.
a. chiasm
b. nerve
c. disk
d. hole

The correct answer would be option C.

Optic disk or optics nerve head is the region present in the retina of the eye which is termed as a blind spot.

It is considered as a blind spot because it does not contain any photoreceptor whether cones or rides due to which no image detection is possible in this area.

b ti isnfornopgnoernfrof

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a