NCERT solutions for Class 11 Biology chapter 21 - Neural Control and Coordination [Latest edition]

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Solutions for Chapter 21: Neural Control and Coordination

Below listed, you can find solutions for Chapter 21 of CBSE, Karnataka Board PUC NCERT for Class 11 Biology.


Exercises
Exercises [Pages 328 - 329]

NCERT solutions for Class 11 Biology Chapter 21 Neural Control and Coordination Exercises [Pages 328 - 329]

Exercises | Q 1.1 | Page 328

Briefly describe the Given structure - Brain

Exercises | Q 1.2 | Page 328

Briefly describe the Given structure - Eye

Exercises | Q 1.3 | Page 328

Briefly describe the Given structure - Ear

Exercises | Q 2.1 | Page 328

Compare the following: Central neural system (CNS) and Peripheral neural system (PNS)

Exercises | Q 2.2 | Page 328

Compare the following:  Resting potential and action potential

Exercises | Q 2.3 | Page 328

Compare the following: Choroid and retina

Exercises | Q 3.1 | Page 328

Explain the following processes:

Polarisation of the membrane of a nerve fibre

Exercises | Q 3.2 | Page 328

Explain the following processes:

Depolarisation of the membrane of a nerve fibre

Exercises | Q 3.3 | Page 328

Explain the following processes:

Conduction of a nerve impulse along a nerve fibre

Exercises | Q 3.3 | Page 328

Explain the following processes:

Transmission of a nerve impulse across a chemical synapse

Exercises | Q 4.1 | Page 328

Draw labelled diagrams of the following - Neuron 

Exercises | Q 4.2 | Page 328

 Draw labelled diagrams of the following: Brain 

Exercises | Q 4.3 | Page 328

Draw labelled diagrams of the following: Eye

Exercises | Q 4.4 | Page 328

 Draw labelled diagrams of the following: Ear

Exercises | Q 5.1 | Page 329

Write short notes on the following: Neural coordination

Exercises | Q 5.2 | Page 329

Write short notes on the following: Forebrain 

Exercises | Q 5.3 | Page 329

Write short notes on the following: Midbrain

Exercises | Q 5.4 | Page 329

Write short notes on the following: Hindbrain 

Exercises | Q 5.5 | Page 329

Write short notes on the following: Retina 

Exercises | Q 5.6 | Page 329

Write short notes on the following Ear ossicles

Exercises | Q 5.7 | Page 329

Write short notes on the following: Cochlea 

Exercises | Q 5.8 | Page 329

Write short notes on the following: Organ of Corti (i) Synapse

Exercises | Q 6.1 | Page 329

Give a brief account of: Mechanism of synaptic transmission

Exercises | Q 6.2 | Page 329

Give a brief account of: Mechanism of synaptic transmission

Exercises | Q 6.3 | Page 329

Give a brief account of:  Mechanism of hearing

Exercises | Q 7.1 | Page 329

Answer briefly:

How do you perceive the colour of an object?

Exercises | Q 7.2 | Page 329

Which part of our body helps us in maintaining the body balance?

Exercises | Q 7.3 | Page 329

How does the eye regulate the amount of light that falls on the retina?

Exercises | Q 8.1 | Page 329

Explain the following

Role of Na+ in the generation of action potential.

Exercises | Q 8.2 | Page 329

Explain the following:

Mechanism of generation of light-induced impulse in the retina.

Exercises | Q 8.3 | Page 329

Explain the following:

Mechanism through which a sound produces a nerve impulse in the inner ear.

Exercises | Q 9.1 | Page 329

Differentiate between: Myelinated and non-myelinated axons

Exercises | Q 9.2 | Page 329

Differentiate between: Dendrites and axons

Exercises | Q 9.3 | Page 329

Differentiate between: Rods and cones

Exercises | Q 9.4 | Page 329

Differentiate between: Thalamus and Hypothalamus

Exercises | Q 9.5 | Page 329

Differentiate between: Cerebrum and Cerebellum

Exercises | Q 10.1 | Page 329

Answer the following:

Which part of the ear determines the pitch of a sound?

Exercises | Q 10.2 | Page 329

Answer the following:

Which part of the human brain is the most developed?

Exercises | Q 10.3 | Page 329

Answer the following:

Which part of our central neural system acts as a master clock?

Exercises | Q 11 | Page 329

The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the

(a) fovea

(b) iris

(c) blind spot

(d) optic chaisma

Exercises | Q 12.1 | Page 329

Distinguish between: afferent neurons and efferent neurons

Exercises | Q 12.2 | Page 329

Distinguish between: impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre

Exercises | Q 12.3 | Page 329

Distinguish between: aqueous humor and vitreous humor

Exercises | Q 12.4 | Page 329

Distinguish between: blind spot and yellow spot

Exercises | Q 12.5 | Page 329

Distinguish between cranial nerves and spinal nerves.

Solutions for Chapter 21: Neural Control and Coordination

Exercises

NCERT solutions for Class 11 Biology chapter 21 - Neural Control and Coordination

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Class 11 Biology CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Class 11 Biology CBSE, Karnataka Board PUC 21 (Neural Control and Coordination) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

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Concepts covered in Class 11 Biology chapter 21 Neural Control and Coordination are Human Neural System, Transmission of Nerve Impulse, Reflex and Reflex Action, Sensory Perception, Concept of Central Neural System (CNS), Eye - Mechanism of Vision, The Ear - Mechanism of Hearing, Neuron as Structural and Functional Unit of Neural System, Neural Control and Coordination Questions, Sense Organs, Human Eye: Structure of the Eye, Human Ear.

Using NCERT Class 11 Biology solutions Neural Control and Coordination exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Class 11 Biology students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 21, Neural Control and Coordination Class 11 Biology additional questions for Mathematics Class 11 Biology CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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