What Is a Neuron

Q.

What is a motor end plate?

Q. Briefly give the contributions of the following scientists in formulating the cell theory
a. Robert Virchow
b. Schielden and Schwann

Q. Among which one of the following groups of chemical, all are neurotransmitters?

1. Glycine, dopamine, melatonin
2. Somatostatin, serotonin, acetylcholine
3. Noradrenaline, somatostatin, threonine
4. Acetylcholine, noradrenaline, dopamine

Q. Which of the following types of tissue helps in insulation of our body?

1. epithetial tissue
2. nervous tissue
3. muscular tissue
4. connective tissue

Q.

Nerve cell does not contain :

1. Axon

2. Nerve endings

3. Tendons

4. Dendrites

Q. What part of a neuron is responsible for receiving information?

1. Myelin sheath
2. All of the above
3. Axon
4. Dendrite

Q. Mark the incorrect statement in the followings.

1. All movements lead to locomotion
2. Ciliary movement help in passage of ova through female reproductive tract
3. Microfilaments are involved in amoeboid movement
4. In Paramecium, the cilia help in movement of food through cytopharynx and in locomotion as well

Q.

What do you mean by embryonic layers? Name each and mention their future.

Q.

What are the neuroglial cells involved in?

Q. Neurons can perform all types of functions w.r.t. different kinds of stimuli as given below, except

1. Receive
2. Detect
3. Transmit
4. Produce

Q. In which of the following Nissl's granules are found in?

1. Intestinal cells
2. Uriniferous tubules
3. Liver cells
4. Nerve cells

Q. What is the function of specialised tissue ?

Q. What part of a neuron is responsible for receiving information?

1. Axon
2. Dendrite
3. Myelin sheath
4. All of the above

Q.

Name one place in living organism where the following tissues are located:

Ligament

Q.

What is the matrix of connective tissue proper made of ?

Q. The longest cell in the human body is _____________

1. Muscle cell
2. Lung cell
3. Nerve cell
4. Blood cell

Q.

Animal possess nerve networks or nervous system to respond to their environment. But the single-celled Amoeba does not possesses any nerve cell, so, how it come to know whether a particle it encounters is a grain of sand and not its dinner by?

1. Chemotaxis

2. Skin

3. Hormones

4. All of these

Q.

Constrictions at intervals in a nerve fibre are known as

1. Nodes of Ranvier

2. Nodes of schwann

3. Dorsal fissure

4. Ventral fissure

Q.

What was the contribution of the following scientist in the discovery of the cell?

1. Robert Hooke
2. Virchow
3. Schleiden
4. Schwann

Q. What are the two types of nervous system cells?

1. Alveoli and bronchioles
2. Neurons and nephrons
3. Neurons and glia
4. Alveoli and veins

Q. Match the columns $I$ and $II$ and choose the correct combination from the options given.

Column I	Column II
$a$Amoeboid movement	$1$Paramoecium
$b$Flagellar movement	$2$Amoeba
$c$Muscular movement	$3$Euglena
$d$Ciliary movement	$4$Eyelids

1. $a-4,b-3,c-2,d-1$
2. $a-2,b-1,c-4,d-3$
3. $a-3,b-4,c-2,d-1$
4. $a-2,b-3,c-4,d-1$

Q. Describe the structure of a neuron with the help of a neat, labelled diagram.

Q. Which of the following is not a connecting tissue?

1. Blood
2. Bone
3. Lymph
4. Nerve

Q. Myelin sheath is produced by

1. Osteoclasts and Astrocytes
2. Astrocytes and Schwann Cells
3. Schwann Cells and Oligodendrocytes
4. Oligodendrocytes and Osteoclasts

Q. The neurotransmitter for sympathetic nervous system is

1. Bisynaptic
2. Multisynaptic
3. Monosynaptic
4. All of these
   
   

Q. The accompanied diagram shows the structure of neuron. Identify A to E.

Q.

_______ are the pathways along which your brain sends and receives information.

Q. A neuron transmits information through

1. Chemical signals
2. Both A and B
3. Electrical signals
4. None of the above

Q. Differentiate between.

Q.

Which one of the following options contains structures that distinguish a nerve cell from other types of cell?

1. Nucleus and mitochondria

2. Perikaryon and dendrites

3. Vacuoles and cytoskeletal fibres

4. Flagellum and medullary sheath