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Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?

Perikaryon and dendrites
Vacuoles and fibres
Flagellum and medullary sheath
Nucleus and mitochondria
Additional Questions

Which one of the following is an example of negative feedback loop in humans?

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How many laminae are present in the grey matter of spinal cord?

Answer

Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that:

Answer

The function of vagus nerve innervating the heart is to

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Cornea transplant in humans is almost never rejected. This is because:

Answer

When sympathetic nervous system is activated it causes the secretion of

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Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features (a-d). Which one feature is correctly described?

FeatureSympathetic Nervous SystemParasympathetic Nervous System
(a) Salivary glandStimulates secretionInhibits secretion
(b) Pupil of the eyeDilatesConstricts
(c) Heart rateDecreasesIncreases
(d) Intestinal peristalsisStimulatesInhibits

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During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

Answer

Which one of the followings is the largest portion of the brain in humans?

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Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?

Answer
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