ICSE 10 Biology Sense Organs Test 2

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    Biology Practice: Sense Organs (Mock Test 2 - Anatomy, Functions & Locations)

    1. The Choroid layer of the eye is richly supplied with blood vessels and dark pigments to:

    2. Which structure in the eye contains circular and radial muscles to regulate light entry?

    3. The suspension of the lens from the ciliary body is maintained by:

    4. The vitreous humor is located in the chamber between the:

    5. Which part of the ear is responsible for maintaining "Static Balance" (posture relative to gravity)?

    6. The 'Fovea Centralis' is a depression in the center of the yellow spot containing only:

    7. The function of the Ear Ossicles is to:

    8. Which structure connects the middle ear with the pharynx?

    9. The 'Blind Spot' is the point where ________ leaves the eyeball.

    10. The sensory hair cells of the Organ of Corti are stimulated by vibrations in the:

    11. The thin, transparent membrane that covers the front of the eye and lines the eyelids is the:

    12. Which part of the ear contains the "Ampulla" involved in detecting rotational movement?

    13. The primary function of the Ciliary Muscles is to:

    14. Which ear ossicle is attached to the 'Oval Window' (Fenestra Ovalis)?

    15. The 'Night Blindness' is caused due to the deficiency of Vitamin A, which affects the production of:

    16. The vestibular nerve and the cochlear nerve join to form the ________ nerve.

    17. Which structure prevents the entry of excessive light into the eye during a bright day?

    18. The 'Taste Buds' responsible for detecting 'Bitterness' are mostly located at the ________ of the tongue.

    19. In the internal ear, the 'Sacculus' and 'Utriculus' contain sensory patches called:

    20. The biconvex, crystalline structure that focuses light on the retina is the: