CBSE (Science) Class 11CBSE
Share
Notifications

View all notifications

NCERT solutions for Class 11 Biology chapter 20 - Locomotion and Movement

Biology Textbook for Class 11

Login
Create free account


      Forgot password?

Chapters

NCERT Biology Class 11

Biology Textbook for Class 11 - Shaalaa.com

Chapter 20: Locomotion and Movement

Chapter 20: Locomotion and Movement solutions [Pages 313 - 314]

Q 1 | Page 313

Draw the diagram of a sarcomere of skeletal muscle showing different regions.

Q 2 | Page 313

Define sliding filament theory of muscle contraction.

Q 3 | Page 313

Describe the important steps in muscle contraction.

Q 4.1 | Page 314

Write true or false. If false change the statement so that it is true.

 Actin is present in thin filament

Q 4.2 | Page 314

Write true or false. If false change the statement so that it is true.

H-zone of striated muscle fibre represents both thick and thin filaments

Q 4.3 | Page 314

Write true or false. If false change the statement so that it is true.

Human skeleton has 206 bones.

Q 4.4 | Page 314

Write true or false. If false change the statement so that it is true.

There are 11 pairs of ribs in man.

 

Q 4.5 | Page 314

Write true or false. If false change the statement so that it is true.

Sternum is present on the ventral side of the body.

Q 5.2 | Page 314

Write the difference between : Red and White muscles

Q 5.3 | Page 314

Write the difference between: Pectoral and Pelvic girdle

Q 6 | Page 314

Match Column I with Column II :

  Column I   Column II
a Smooth muscle 1 Myoglobin
b Tropomyosin 2 Thin filament
c Red muscle 3 Sutures
d Skull 4 Involuntary
Q 7 | Page 314

What are the different types of movements exhibited by the cells of human body?

Q 8 | Page 314

How do you distinguish between a skeletal muscle and a cardiac muscle?

Q 9 | Page 314

Name the type of joint between the following:-

(a) atlas/axis

(b) carpal/metacarpal of thumb

(c) between phalanges

(d) femur/acetabulum

(e) between cranial bones

(f) between pubic bones in the pelvic girdle

Q 10.1 | Page 314

Fill in the blank spaces:

All mammals (except a few) have __________ cervical vertebra.

Q 10.2 | Page 314

Fill in the blank spaces:

The number of phalanges in each limb of human is __________

Q 10.3 | Page 314

Fill in the blank spaces:

Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________.

Q 10.4 | Page 314

Fill in the blank spaces:

In a muscle fibre Ca++ is stored in __________

Q 10.5 | Page 314

Fill in the blank spaces:

 __________ and __________ pairs of ribs are called floating ribs.

Q 10.6 | Page 314

Fill in the blank spaces:

The human cranium is made of __________ bones.

Chapter 20: Locomotion and Movement

NCERT Biology Class 11

Biology Textbook for Class 11 - Shaalaa.com

NCERT solutions for Class 11 Biology chapter 20 - Locomotion and Movement

NCERT solutions for Class 11 Biology chapter 20 (Locomotion and Movement) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Biology Textbook for Class 11 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 11 Biology chapter 20 Locomotion and Movement are Types of Movement, Concept of Muscle, Skeletal System, Joints, Disorders of Muscular and Skeletal System, Introduction of Locomotion and Movement, Locomotion and Movement (Questions), Structure of Contractile Proteins, Mechanism of Muscle Contraction.

Using NCERT Class 11 solutions Locomotion and Movement exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 11 prefer NCERT Textbook Solutions to score more in exam.

Get the free view of chapter 20 Locomotion and Movement Class 11 extra questions for Biology and can use Shaalaa.com to keep it handy for your exam preparation

S
View in app×