Q. No.The olfactory bulb can be regarded as the extension of:
1. Brain stem
2. Limbic system
3. Diencephalon
4. Corpora quadrigemina
Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
|
COLUMN I |
|
COLUMN II |
|
A. |
Utricle |
a. |
linear acceleration of the head in the vertical plane |
|
B. |
Saccule |
b. |
linear acceleration of the head in the horizontal plane |
|
C. |
Cochlea |
c. |
detects rotation of head |
|
D. |
Semicircular canals |
d. |
Hearing |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | d | c |
| 3. | b | a | c | d |
| 4. | a | b | d | c |
Identify the correct match:
|
1. |
Fovea centralis |
Point of highest visual acquity |
|
2. |
Optic disc |
Visual cortex in cerebrum |
|
3. |
Ciliary body |
Light and dark adaptation |
|
4. |
Macula lutea |
Lacks any rods and cones |
What would be true for the cells shown in the given diagram?
| 1. A is involved in gestation and B in olfaction 2. A is a part of sympathetic and B of parasympathetic division of ANS 3. A secretes myelin sheath around axons in CNS while B does it in PNS 4. A is responsible for scotopic vision and B is responsible for photopic vision |
 |
What are the bones labeled A, B and C shown in the given diagram?
1. Malleus, Incus and Stapes respectively
2. Anvil, Hammer and Stirrup respectively
3. Stapes, Incus and Malleus respectively
4. Hammer, Stirrup and Anvil respectively
Photopigments in the human eye are composed of:
1. a lipid and an ester of vitamin A
2. a protein and an ester of vitamin A
3. a lipid and an aldehyde of vitamin A
4. a protein and an aldehyde of vitamin A
Identify the correct statement regarding the sections of the spinal cord shown in the given diagram:
| I: | A and D are part of the grey mater |
| II: | B is motor and C is sensory |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
The nose and taste buds contain:
| 1. mechanoreceptors | 2. photoreceptors |
| 3. chemoreceptors | 4. proprioceptors |
Above the rows of hair cells of Organ of Corti, there is a thin elastic membrane called:
| 1. Reissner’s membrane | 2. Basilar membrane |
| 3. Tectorial membrane | 4. Tympanic membrane |
Which layer of the human eyeball forms the ciliary body?
| 1. Sclera | 2. Choroid |
| 3. Retina | 4. Cornea |
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