Structure of the Neuronal Soma and Axon

Q.

Explain synapses with diagram.

Q.

Name the following

The tissue present in the brain.

Q.

Which of the following is not a part of nervous tissue?

1. Cyton

2. Axon

3. Myelinated

4. Nephron

Q. What are neuroglia?

Q.

Is impulse transmission at an electrical synapse faster than at a chemical synapse?

Q.

Name the cells shown in the figure. Mention their shape and function. [3 MARKS]

Q.

Schwann cells are associated with ___.

1. Muscular tissue

2. Connective tissue

3. Nervous tissue

4. Cartilage tissue

Q.

What used to be described as Nissls Granules in a nerve cell are now identified as?

1. Mitochondria

2. Cell Metabolites

3. Fat Granules

4. Rough endoplasmic reticulum and Ribosomes

Q.

Choose the odd one out from the following terms given and name the category to which the other belong

1. Dendrites

2. Medullary sheath

3. Axon

4. Spinal cord

Q.

Name the fat-storing tissue? Where is it located? What is its function?
[3 MARKS]

Q.

Name the process/term for the given statement

A neurotransmitter stored at the terminal end of the axon.

Q. With a neat labelled diagram explain the structure of a neuron.

[Review question: Pg. No: 227]

Q.

Give an example of a polar neuron?

Q.

Give the technical term for the following:

The long-term extension from the cell body of a motor neuron.

Q.

Which of the following is the basic unit of nervous tissue?

1. Neuron

2. Nephron

3. Muscle cells

4. Blood cells

Q. The myelin sheath shows gaps through out the length of the axon called the.

Q. Nerves are bundles of ______ covered by myelin sheath.

1. dendrites
2. axons

Q. The longest cell in the human body is
(a) a nerve cell.
(b) a muscle cell.
(c) a white blood cell.
(d) both nerve and muscle cells.

Q.

What used to be described as Nissl granules in a nerve cell are now identified as?

1. Cell metabolites

2. Ribosomes

3. Fat granules

4. Mitochondria

Q. Nerve cells do not possess

[Review question: Pg. No: 226]

Q.

Name the part of the neuron where the information Is acquired?

Q.

Briefly explain the term synapse.

Q. Mark the mis- matched pair

Q. The nervous tissue, which contains densely packed cells are called as

1. Neurons
2. Dendrons
3. Nissl's granules
4. Axon

Q.

Match the following columns.

Column 1	Column 2
Nerve impulse	Chemicals involved in the transmission of impulses at synapses.
Synaptic cleft	Gap between the presynaptic and post synaptic neurons.
Neurotransmitters	An electrical wave-like response of a neuron to a stimulation.

Q.

Which of the following is the basic unit of nervous tissue?

1. Neuron

2. Nephron

3. Muscle cells

4. Blood cells

Q. Arrange the following according to the order in which impulses travel in a neuron.

1. Cell body
2. Dendrites
3. Axon terminal
4. Axon

Q. ____________ is the longest cell in our body.

1. Neuron
2. Villi
3. Nephron
4. Alveoli

Q. Which among the following be described as nissls granules in a nerve cell are now identified as?
(1)cell metabolites
(2) fat granules
(3) ribosome
(4) mitochondria.
What is the meaning of this question and what is its answer?