Structure of the Neuronal Soma and Axon

Q. Which of the following is absent in neurons?

1. Neurilemma
2. Sarcolemma
3. Myelin sheath
4. Axolemma

Q.

Mention the exact location of the following:

(a) Myelin sheath

Q. Node of Ranvier is present over

1. dendrite
2. cell body
3. axon
4. synapse

Q.

Define neuron.

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

1. Cell metabolites
2. Fat granules
3. Ribosomes
4. Mitochondria

Q. Nissl’s granules present in the neurons are made up of:

1. RNA
2. RER
3. Ribosomes
4. Both b and c are correct

Q.

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

1. Neuron

2. Nephron

3. Muscle cells

4. Blood cells

Q. Which of the following is not strictly considered a part of the neuron?

1. Dendrites
2. Myelin sheath
3. Nissl’s granules
4. Synaptic knob