The anatomy of eye A and C share common characteristics. Though It may appear that the eye anatomy in option D is similar to the anatomy of eye A and C, but if the image is seen properly, it could be noted that the retina in option D is in front of the nerve fiber while in case of both option A and C, it lies at the back side of nerve fiber.
Though there is variation in lens shape in option A and C but yet they resemble very closely in their structure. Option B is an outlier.
Gravity depends on mass. Jupiter has more mass than Earth so its gravity is two and a half times greater. Therefore a person will weigh more on Jupiter.
