Nervous Tissue

Q.

What is the fate of the embryonic germ layers?

Q.

The tissues of the nervous system are derived from which germ layer?

1. Mesoderm
2. Ectoderm
3. All of the above
4. Endoderm

Q. In which part of the neuron are the Nissl’s granules present?
I. Cell body
II. Axon
III. Dendrites
IV. Glial cells

1. I only
2. I, II and III
3. I, II, III, IV
4. I and III

Q. Which type of tissue exerts the greatest control over the body’s response?

1. Epithelial tissue
2. Connective tissue
3. Muscular tissue
4. Nervous tissue

Q.

Which germ layer is the brain and spinal cord derived from?

Q.

What is tissue and its types?

Q. Which one of the following cell types always divides by anticlinal cell division?

1. Root cap
2. Fusiform initial cells
3. Protoderm
4. Phellogen

Q.

How often do brain cells replace themselves?

Q. Which cells do not form layer and remains structurally separate?

1. Muscle cells
2. Epithelial cells
3. Nerve cells
4. Gland cells

Q. Nervous tissue is derived from which of the following embryonic germ layer

1. endoderm
2. ectoderm
3. all of the above
4. mesoderm

Q. Which of the following tissue covers the external surface of the body and internal free surfaces of many organs?

1. Epithelium tissue
2. Connective tissue
3. Muscular tissue
4. Nervous tissue

Q. From which embryonic layer develops the kidney______.

1. Meso-endoderm
2. Mesoderm
3. Endoderm
4. Ectoderm

Q.

In the muscle fiber, what is the function of acetylcholinesterase?

1. It acts as a receptor for acetylcholine.

2. It closes the neuromuscular junction to stop a muscle contraction.

3. It deactivates acetylcholine.

4. It stimulates the synaptic knob into functioning.

Q. Neuroglial cells help neurons in each of these ways, with the exception of

1. supporting and binding nervous tissue
2. carrying on phagocytosis
3. playing a role in cell-to-cell communications
4. transmitting nervous impulses

Q.

How is ectoderm formed?

Q.

Power of regeneration is lowest in

1. Deincephalon

2. Liver cell

3. Nerve cell

4. Muscle cell

Q. Given below is the diagram of a neuron. Identify A to E and name them correctly.

Q. The given diagram is an external view of the human brain. Study the same and answer the questions that follows.

(iv) Mention the collective term for the membranes covering the brain.

Q. Longest cells in human body are

1. Leg muscle cells
2. Bone cells
3. Nerve cells
4. Heart muscle cells

Q. The tissues of the nervous system are derived from which germ layer?

1. Mesoderm
2. Endoderm
3. Ectoderm
4. All of the above

Q. Eye, internal ear and neural tube develop from

1. Ectoderm
   
2. Endoderm
3. Mesoderm
4. Ecto-endoderm

Q.

Differentiate between blastula and gastrula

Q.

Nerve cells are the part of:

1. Epithelial tissue

2. Areolar tissue

3. Muscles tissue

4. Nervous tissue

Q. Identify the statements as true/false. (ii) Cell body is the most sensitive part of neuron.

Q.

State whether the following statements are true or false.​

(v) Axons are small sized and always branched.​

Q. The autonomic neural system is a division of

1. Central neural system
2. Peripheral neural system
3. Somatic neural system
4. Sympathetic neural system

Q. The tissues of the nervous system are derived from which germ layer?

1. Mesoderm
2. Endoderm
3. Ectoderm
4. All of the above

Q. Define: ​

Tissue​

Q. The nervous system is divided into nervous system consisting of the brain and the spinal cord and the nervous system consisting of neural network.

1. central
2. external
3. internal
4. peripheral

Q. Name: (iii) The longest cell in the human body.