Unmyelinated nerve fiber is:
 
1. Not enclosed by a Schwann cell and hence
not enclosed by a myelin sheath
 
2. Enclosed by a Schwann cell that does not
form a myelin sheath
 
3. Not enclosed by a Schwann cell but enclosed
by a myelin sheath formed by oligodendrocytes
 
4. Not found in the autonomous and the
somatic neural system

Subtopic:  Neuroanatomy |
 83%
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The brain stem does not include :
1. Mid brain 
2. Medulla oblongata
3. Pons varolii
4. Cerebellum 

Subtopic:  Neuroanatomy | Hind & Mid Brain |
 80%
From NCERT
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Which of the following is a major coordinating center for sensory and motor signaling for the cerebrum?
1. Hypothalamus
2. Thalamus
3. Corpora quadrigemina
4. Amygdala

Subtopic:  Neuroanatomy | Diencephalon |
 72%
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The sensory neuron enters the spinal cord through:
1. The dorsal root of the spinal nerve
2. The ventral root of the spinal nerve
3. Either dorsal or ventral root depending on the point of origin 
4. Both dorsal and ventral roots of the spinal nerves

Subtopic:  Motor Functions of Spinal Cord |
 86%
From NCERT
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From inside to outside the correct order of the following cells in the retina would be:
1. Ganglion cells - Photoreceptor cells - Bipolar cells
2. Ganglion cells - Bipolar cells - Photoreceptor cells
3. Bipolar cells - Photoreceptor cells - Ganglion cells
4. Photoreceptor cells - Ganglion cells - Bipolar cells

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Human Eye (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 85%
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In the human eye, the visual acuity is highest at:

(1) Macula lutea

(2) Optic disc

(3) Fovea centralis

(4) Optic chiasma

Subtopic:  Human Eye: Adaptation (OLD NCERT) |
 82%
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Reissner's membrane separates
1. Scala vestibuli and Scala media
2. Tympanic cavity and Pharynx
3. Fenestra rotundus and Fenestra ovalis
4. Scala media and Scala tympani

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 81%
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The depolarization of the axonal membrane is due to:

1. Influx of sodium ions

2. Efflux of sodium ions

3. Influx of potassium ions

4. Efflux of the potassium ions

Subtopic:  Action Potential |
 82%
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Immediately after an action potential has peaked, which cellular gates open?

1. Sodium
2. Chloride
3. Calcium
4. Potassium

Subtopic:  Action Potential |
 60%
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The stapes sends its vibrations to 
1. Incus 
2. Round window
3. Tympanic membrane
4. Oval window

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 81%
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