Q. No.Which of the following sensory function/s is/are performed by ears?
(1) Hearing
(2) Maintenance of body balance
(3) Vision
(4) More than one options are correct
Parts A, B, C and D of the human ear are shown in the diagram. Select the option which gives incorrect identification along with its functions /characteristics
|
1. |
A : External ear |
- |
Collects the vibrations in the air |
|
2. |
B : Eustachian tube |
- |
Connects the middle ear cavity with the pharynx |
|
3. |
C : Malleus |
- |
Increase the efficiency of transmission of sound waves |
|
4. |
D : Cochlear nerve |
- |
Carry sensory impulses to the auditory cortex of the brain |
A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?
| 1. | Sympathetic nervous system activated releasing epinephrine and norepinephrine from adrenal medulla |
| 2. | Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse |
| 3. | Hypothalamus activates the parasympathetic division of the brain |
| 4. | Sympathetic nervous system is activated releasing epinephrine and norepinephrine from the adrenal cortex |
The organ of Corti is a structure present in
1. external ear
2. middle ear
3. semi-circular canal
4. cochlea
Wax gland present in the ear canal is called
1. sweat gland
2. prostate gland
3. Cowper's gland
4. sebaceous gland/ceruminous gland
Which of the following receptors are specifically responsible for maintenance of balance of body and posture?
1. Basilar membrane and otoliths
2. Hair cells and organ of corti
3. Tectorial membrane and macula
4. Crista ampullaris and macula
The ___________ integrates information received from the semicircular canals of the ear and the auditory system.
1. Cerebrum.
2. Cerebellum.
3. Medulla oblongata.
4. Thalamus.
Which of the following is not associated with Iris?
(1) Ciliary bodies form it
(2) Pigmented and transparent
(3) Visible colored part of the eye
(4) Present in anterior part of eye
Cornea is
(1) Anterior portion of choroid
(2) Anterior portion of sclera
(3) Posterior portion of sclera
(4) Anterior portion of retina
2. ligaments attached to the iris
3. smooth muscles attached to the iris
4. smooth muscles attached to the ciliary body
© 2026 GoodEd Technologies Pvt. Ltd.