The absorption of light energy and its conversion into chemical energy occurs in multiprotein complexes, called photosystems, located in the thylakoid membrane.
A desert would be a good example because there is no exact source of water there unless you are in a specific one.
The correct answer is option B
The correct pattern of flow of light information and the parts of eyes involved include the following -
Cornea
pupil
anterior chamber
lens
posterior cavity
retina
optic nerve
optic chiasm