Reflex Arc
Trending Questions
Q. Each neuron has a single long part called as
- Dendrite
- Axon
- Cell body
- Cyton
Q.
1-d, 2-e, 3-c, 4-b, 5-a
1-a, 2-c, 3-d, 4-e, 5-f
1-f, 2-a, 3-b, 4-e, 5-c
1-e, 2-c, 3-a, 4-b, 5-c
Q.
Reflex arc is the
response to external stimuli
instantaneous response without thought
pathway of impulses to and from spinal cord
pathway of the impulse to sense organs
Q. Point of communication between two neurons is a gap known as__________.
- synapse
- synapsis
- syngamy
- synopsis
Q.
Describe a simple reflex action with a suitable example.
Q.
The messages carried by a neuron is called:
Nerve impulse
Nerve code
Brain signal
Reflex arc
Q. Draw a labelled diagram of a myelinated neuron.
Q. Draw a labelled diagram of a myelinated neuron.
Q. Name the part of the neuron that receives signals from another neuron.
- Cell body
- Axon
- Synapse
- Dendrite
Q. Who was the first scientist to discover the process of conditioning?
- Erwin Chargaff
- Ivan Pavlov
- Francis Crick
- Marie Curie
Q.
You duck your head when a baseball is thrown at your face. You are responding to:
An external stimulus
An internal stimulus
An internal threat
A hormonal change
Q. Name the cranial nerves of humans being viz., II, VII, VIII, IX
- Optic, auditory, facial, hypoglossal
- Occulomotor, auditory, abducens, hypoglossal
- Optic, facial, abducens, glossopharyngeal
- Optic, facial, auditory, glossopharyngeal
Q. Draw a labelled diagram of a myelinated neuron.
Q. Match the following parts of a neuron to their respective functions.
- Receives signals
- Conducts impulses
- Insulates axons
Q. Who was the first scientist to discover the process of conditioning?
- Erwin Chargaff
- Ivan Pavlov
- Francis Crick
- Marie Curie
Q. Muscular tissue forms glands.
- True
- False
Q. Axons of neurons bundle up to form a
- myelin sheath
- nerve
- dendrite
Q.
The longest human cell.
Q. Axons of neurons bundle up to form a
- dendrite
- myelin sheath
- nerve
Q.
Describe the structure of a neuron with the help of a neat diagram.
