Olfactory epithelium extends directly into which of the following extensions of the brain’s limbic system?

1. Amygdala 2. Olfactory lobe
3. Septum 4. Hippocampus

Subtopic:  Nervous System | Smell & Taste (OLD NCERT) |
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Membranous labyrinth of the inner ear is surrounded by:

1. Perilymph 2. Endolymph
3. Hemolymph 4. Air
Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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The space between the cornea and the lens in human eye is filled with:

1. Aqueous humor 2. Vitreous humor
3. Lymph 4. Air
Subtopic:  Human Eye (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
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The ear ossicles transmit sound waves to:

1. Ear drum 2. Oval window
3. Round window 4. Cochlear duct
Subtopic:  Outer & Middle Ear (OLD NCERT) | Inner Ear: Cochlea (OLD NCERT) |
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Consider the two statements:

I: Electric synapses are rare in our system.
II: Impulse transmission across electric synapse is always faster than across a chemical synapse.

1. Both I and II are correct and II explains I
2. Both I and II are correct and II does not explain I
3. Only I is correct
4. Only II is correct

Subtopic:  Origin of Resting Membrane Potential | Action Potential |
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The primary commissural region of the brain consisting of white matter tracts that connects the left and right cerebral hemispheres is called as:

1. corpus striatum 2. corpus luteum
3. corpus callosum 4. corpus spongiosum
Subtopic:  Diencephalon |
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Match each item in Column I [part of the brain] with one in Column II [function] and select the answer from the codes given below:

 

Column I

 

Column II

A.

Medulla oblongata

a.

Motor control

B.

Pons varoli

b.

Hunger center

C.

Cerebellum

c.

Bridge between cerebellum and rest of brain

D.

Hypothalamus

d.

Gastric secretions, respiratory rhythm center

Codes

A B C D
1. c d b a
2. d c a b
3. c d a b
4. d c b a
Subtopic:  Hind & Mid Brain |
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What causes the movement of the synaptic vesicles towards the membrane during transmission of impulse across a chemical synapse?

1. Sodium 2. Calcium
3. cAMP 4. cGMP
Subtopic:  Synapse |
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Reissner’s membrane in the inner ear separates the cochlear duct [scala media] from the:

1. round window 2. scale vestibuli
3. scala tympani 4. basilar membrane
Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Crista ampullaris is found in:

1. Semi-circular canals 2. Utricle
3. Saccule 4. Cochlea
Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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