Advertisements
Advertisements
Question
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
Options
Receptor cell, sensory neuron, relaying neuron, effector muscles
Receptor cell, efferent nerve, relaying neuron, muscles of the body
Receptor cell, spinal cord, motor neuron, relaying neuron
Receptor cell, synapse, motor neuron, relaying neuron
Advertisements
Solution
Receptor cell, sensory neuron, relaying neuron, effector muscles
APPEARS IN
RELATED QUESTIONS
Which part of the brain maintains posture and equilibrium of the body?
State one function each of cerebellum and pons.
Give three examples of reflex actions.
What are the various sense organs in our body?
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
Complete the following sentence with appropriate Word
The control of reflex action is through:
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
![]() |
- Name the phenomenon shown in the figure and define the same.
- Identify the parts labelled as 1 and 2. Write one functional difference between these two.
- Name the bony protective covering and the membranous protective covering of the spinal cord.
- Label the guidelines 3 and 4.
- How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
- Give the technical term for the point of contact between the two nerve cells.
- Name the fluid filled inside the central canal of spinal cord.
- Name the term used for a small gap between two neurons.
- Give one example of a neurotransmitter.
- Draw a neat diagram of a nerve cell and label the parts: Perikaryon, Node of Ranvier, Myelin sheath and Axon terminals.

