Explain how the mammalian eye performs each of the following:- i) Focusing far objects. ii) Adjustment of the amount of light entering the eye in dim light...

      

Explain how the mammalian eye performs each of the following:-
i) Focusing far objects.
ii) Adjustment of the amount of light entering the eye in dim light conditions.

  

Answers


Maurice
i) Ciliary muscles relax and suspensory ligaments are at high tension; hence the lens becomes long and thin. Must score the first part to score the second part.

ii) Circular muscles contract and the radial muscles relax; hence the size of the pupil reduces. Must score the first part to score the second part.
maurice.mutuku answered the question on November 13, 2019 at 06:46


Next: In which part of the retina is the image formed mostly sharply during conditions of high light intensity.
Previous: Without using a calculator evaluate:-

View More Biology Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions