21. The space between the iris and the cormea is the a. anterior chamber b. post

Question

21. The space between the iris and the cormea is the a. anterior chamber b. posterior chamber c. canal of Schlemm d. vitreous body e pupil 22. The central opening in the eye through which light passes is the a. conjunctiva b. cornea c.pupi an e. posterior chamber 23. The neural tunic a. consists of three distinct layers b. contains the photoreceptor cells c. produces the vitreous humor d. forms the iris e. secretes a bacteriocidal enzyme 24. Sound waves are converted into mechanical movements by the a. auditory ossicles b. cochlea c. oval window d. round window e. tympanic membrane 25. The external auditory canal ends at the a. vestibule b. cochlea c. ossicles d. tympanic membrane e. pinna

Explanation / Answer

21) A. The space between Iris and cornea is called anterior chamber which contains Aqueous humour. While pester chamber is space between Iris and retina.

22) C. Pupil is a central circular orifice though which light passes into the eye.

23) B. It is also called retina and contains photosensitive reception cells.

24) E. The tympanic membrane is the site of conversion of sounds want into mechanical wave.

25) D. External auditory canal begins at Pinna and ends at the tympanic membrane.

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