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प्रश्न
____________ are the building blocks of the nervous system.
विकल्प
Cells
Neurons
Tissues
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उत्तर
Neurons are the building blocks of the nervous system.
APPEARS IN
संबंधित प्रश्न
Draw a labelled diagram of the following:
Neuron
Draw a labelled diagram of the following:
Brain
Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.
Draw neat and labelled diagrams of a myelinated neuron
Mention the exact location of the Lacrimal gland
Differentiate between the following pair of terms:
Receptor and effector.
With the help of a suitable diagram describe the structures of a neuron.
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton and axon.
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Define the term Motor neuron.
Complete the following statement by choosing the correct alternative from the choice given in below :
The dorsal root ganglion of the spinal cord contains cell bodies of ________ neurons.
Differentiate between following pair with reference to the aspect in bracket.
Sensory nerve and motor nerve (direction of impulse carried)
Write the function of synapse.
Answer the following questions briefly:
How are the cytons and axons placed in the brain and the spinal cord?
Write whether the following is true or false:
Neurotransmitters are released on activation.
Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.
Differentiate between:
Rods and Cones.
During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.
At the end of repolarization, the nerve membrane gets hyperpolarized. Why?
Bipolar neurons are found in ______
______ is the longest cell in our body.
______ carries the impulse towards the cell body.
What are the different parts of the multipolar neuron?
As compare to medullated nerves, the conduction of impulse by non-medullated nerve fibres is ______ times faster.
____________ is the interconnection between two neurons or neuron with motor organ.
Which cells form a single layer of squamous or columnar often ciliated epithelial cells lining the ventricle?
Which cells are responsible for formation of myelin sheath?
______ is the gap between the axon of one terminal neuron and the dendrites of next neuron.
A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ____________.
Which part of a nerve cell contains a nucleus?
Which of the following statements about transmission of nerve impulse is incorrect?
Label the parts of a neuron in the given figure.
Explain the function of the neuron.
In the following diagram choose the correct labelling for A, B, C, D and E respectively.
Write one word for the following:
Long thread-like part of the nerve cell.
Write one word for the following:
The kind of nerve carrying impulses from the brain to a gland or muscle.
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
