Types of Neurons

Q.

Bipolar neurons occur in

1. Vertebrate embryos

2. Retina of eyes

3. Brain and spinal cord

4. Skeletal muscles

Q. A neuron with one axon only may be observed in:

1. Dorsal root ganglion of spinal nerve
2. Embryonic stage
3. Retina of eye
4. All of these

Q. A neuron with one axon only may be observed in:

1. Dorsal root ganglion of spinal nerve
2. Embryonic stage
3. Retina of eye
4. All of these

Q. Which of the following about neurons is incorrect?

1. Nissl’s granules are basophilic
2. Cyton of the neuron possess a large nucleus
3. Schwann cells form a myelin sheath around the axon
4. Bipolar neuron has one axon and two dendrites

Q. Those nerves which carry impulses from the central nervous system to the muscles and glands are known as -

1. Afferent nerves
2. Sensory nerves
3. Motor nerves
4. Mixed nerves

Q. Match the following from column I and column II.

$\begin{array}{cc}\text{Column-I}& \text{Column-II}\\ \text{(A) Bipolar neuron}& \text{(i) Embryonic stage}\\ \text{(B) Unipolar neuron}& \text{(ii) Cerebral cortex}\\ \text{(C) Multipolar neuron}& \text{(iii) Retina}\end{array}$

1. A-iii, B-i, C-ii
2. A-ii, B-i, C-iii
3. A-iii, B-ii, C-i
4. A-ii, B-iii, C-ii

Q. ________ are found in the retina of the eye.

1. Unipolar neurons
2. Bipolar neurons
3. Multipolar neurons
4. Both a and b

Q. Match the following:

$\begin{array}{cc}\text{I. Multipolar neuron}& p.\text{Two processes}\\ \text{II. Bipolar neuron}& q.\text{Single process that splits into two}\\ \text{III. Unipolar}& r.\text{One axon and many dendrites}\\ \text{IV. Pseudounipolar neuron}& s.\text{Found in embryonic state}\end{array}$

1. I-q, II-s, III-p, IV-r
2. I-q, II-s, III-r, IV-p
3. I-r, II-p, III-s, IV-q
4. I-q, II-s, III-r, IV-p

Q. Bipolar neurons occur in

1. Vertebrate embryos
2. Retina of eye
3. Brain and spinal cord
4. Skeletal muscles

Q. Match the following neurons with their criteria.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{i. Multipolar}& \text{a. One axon and One dendrite}\\ \text{ii. Bipolar}& \text{b. One axon and Several dendrites}\\ \text{iii. Unipolar}& \text{c. One cell process that splits into two axons}\\ \text{iv. Pseudo Unipola}r& \text{d. Cell body with One axon only}\end{array}$

1. i).➡ a., ii).➡ b., iii).➡ c., iv). ➡ d.

2. i).➡ d., ii).➡ c., iii).➡ b., iv). ➡ a.

3. i).➡ c., ii).➡ d., iii).➡ a., iv). ➡ b.

4. i).➡ b., ii).➡ a., iii).➡ d., iv). ➡ c.

Q. What is the speed of neural conduction?

1. 10-120 m/s
2. Faster than electrical current
3. 1000 m/s
4. Speed of electrical current

Q. Match the following from column I and column II.

$\begin{array}{cc}\text{Column-I}& \text{Column-II}\\ \text{(A) Bipolar neuron}& \text{(i) Embryonic stage}\\ \text{(B) Unipolar neuron}& \text{(ii) Cerebral cortex}\\ \text{(C) Multipolar neuron}& \text{(iii) Retina}\end{array}$

1. A-iii, B-i, C-ii
2. A-ii, B-i, C-iii
3. A-iii, B-ii, C-i
4. A-ii, B-iii, C-ii