Gustatory receptors are meant for:

1. Taste 2. Smell
3. Vibration 4. Temperature

 88%
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In the ear, the utricle and the saccule are located in the:

1. cochlea 2. semicircular canal
3. spiral organ (organ of Corti) 4. vestibule
 57%
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Fovea centralis is a part of:

1. Sclera 2. Cornea
3. Retina 4. Choroid
 84%
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The major refractive surface in the human eye is the:
1. Anterior surface of cornea
2. Posterior surface of cornea
3. Anterior surface of lens
4. Posterior surface of lens

 58%
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When the ciliary muscles in the human eye contract:
1. the lens becomes more convex, generally improving the focus for closer objects
2. the lens becomes more convex, generally improving the focus for farther objects
3. the lens becomes more flat, generally improving the focus for closer objects
4. the lens becomes more flat, generally improving the focus for farther objects

 53%
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The afferent neuron receives signal from a sensory organ and transmits the impulse to the CNS via:
1. Dorsal root of the spinal nerve
2. Ventral root of the spinal nerve
3. Cranial nerve
4. Intermediolateral horn of spinal cord grey mater

Subtopic:  Nervous System |
 77%
From NCERT
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If potassium ions were the only factor causing resting membrane potential, the resting potential inside the fiber would be nearly equal to:
1. - 55 mV
2. - 70 mV
3. - 94 mV
4. + 61 mV

Subtopic:  Origin of Resting Membrane Potential |
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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 |
 77%
From NCERT
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Membranous labyrinth of the inner ear is surrounded by:

1. Perilymph 2. Endolymph
3. Hemolymph 4. Air
 67%
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The neurotransmitter released by a motor neuron at the neuro-muscular junction is:
1. Acetylcholine
2. Adrenaline
3. GABA
4. Serotonin

Subtopic:  Nervous System |
 95%
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