Why are neurons called excitable cells? | Class 11 Biology Chapter Structural Organisation in Animals, Structural Organisation in Animals NCERT Solutions

Question:

Why are neurons called excitable cells? Mention special features of the membrane of the neuron?

Answer:

Neurons are known as excitable cells because they possess electrical potential difference and their membranes are found in a polarized state. Due to this state, ions interact with the membrane and change the state of polarization. Because of this neurons get excited and transfer nerve impulse.

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

< Previous Question

Next Question >

Popular questions of class 11 Biology

Q: Describe briefly the four major groups of Protozoa.

Q: Why are living organisms classified?

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

Q: What is the difference between direct and indirect development?

Define a taxon. Give some examples of taxa at different hierarchical levels.

Q: Describe the important properties of enzymes.

What are the steps involved in formation of a root nodule?

Q: Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Q: How is a key helpful in the identification and classification of an organism?

Q: What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.

Recently Viewed Questions of Class 11 Biology

Q: Why is mitosis called equational division?

Mention two similarities between
a. Aves and mammals
b. A frog and crocodile
c. A turtle and pila

State the role of centrioles other than spindle formation.

Q: Name the stage of cell cycle at which one of the following events occur:
(i) Chromosomes are moved to spindle equator
(ii) Centromere splits and chromatids separate
(iii) Pairing between homologous chromosomes takes place
(iv) Crossing over between homologous chromosomes takes place

Write the functions of the following
a. Centromere
b. Cell wall
c. Smooth ER
d. Golgi Apparatus
e. Centrioles

Aquatic animals generally are ammonotelic in nature where as terrestual forms are not. Comment.

Q: Give a brief account of the counter current mechanism.

Q: Organise a discussion in your class on the topic- Are viruses living or non-living?

Q: Even though a very few cells in a C4 plant carry out the biosynthetic Calvin pathway, yet they are highly productive. Can you discuss why?

Q: What are the cellular components of blood?

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Structural Organisation in Animals.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 8: Why are neurons called excitable cells? Mention special features of the membrane of the neuron?....

Why are neurons called excitable cells? | Class 11 Biology Chapter Structural Organisation in Animals, Structural Organisation in Animals NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 11 Biology

Recently Viewed Questions of Class 11 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 11 Biology

Subjects for Class 11

Students Also Read

Important links

Quick Links

Resources

Support