Advertisements
Advertisements
प्रश्न
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
पर्याय
cell body
axonal end
dendritic end
axon
Advertisements
उत्तर
axonal end
Explanation -
Electrical impulse release some chemical called neurotransmitters at the axonal end. This chemical excites the dendrite of another neuron to transmit the signal.
APPEARS IN
संबंधित प्रश्न
Renal cortex and Renal medulla [Parts of the nephrons present]
Briefly explain the following terms: Synapse
Name the following :
The layer of the eyeball that forms the transparent Cornea
Mention the exact location of Malleus
Differentiate between the following pair of terms:
Motor nerve and sensory nerve.
Describe three kinds of nerves, giving the example of each.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Effector - Sensory neuron - Receptor - Motor neuron - Stimulus - Central nervous system Response (Reflex arc)
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Repolarisation - Depolarisation - Resting (polarised) (during conduction of nerve impulse through a nerve fibre)
Name the following:
Structural and metabolic unit of nervous tissue.
Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.
The action potential occurs in response to a threshold stimulus; but not at sub-threshold stimuli. What is the name of the principle involved?
Dendrons are the longest fibres that conduct impulses away from the cell body.
As compare to medullated nerves, the conduction of impulse by non-medullated nerve fibres is ______ times faster.
Which cells are responsible for formation of myelin sheath?
Which of the following statements about transmission of nerve impulse is incorrect?
Each branch of the axon terminates as a bulb-like structure called ______
The mammalian nervous system uses both electrical and chemical means to send signal via neurons. Which part of the neuron receives impulses?
Write one word for the following:
Long thread-like part of the nerve cell.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Axons : Nerve :: Cytons : ______.
