Many important questions are formed in competitive exams like NEET and boards from Class 11 Biology Chapter 20. Locomotion and Movement is the twentieth chapter in the Class 11 NEET syllabus for Biology. Below, we have provided Important Questions from Class 11 Biology Chapter 20 Locomotion and Movement for your NEET 2023 preparation. You can check it here for revision purposes.
Latest: Excretory Products and Their Elimination NEET Questions and Answers
Locomotion and Movement Class 11 NEET Questions and Answers
We’ve compiled a list of essential questions about Locomotion and Movement biology class 11 chapter 19 that you should not miss while studying for your NEET Exams.
Locomotion and Movement MCQ for NEET
Which ions play a key regulatory role in muscle contraction?
The human skull has 22 bones that consists of
Which of the following exhibit ciliary movement?
All the mineral elements are found in trace amounts in the skeletal muscle except
During muscle contraction, the length of all of the following decreases except
Which of the following is an autoimmune disorder?
Why ribs are called bicephalic?
Skeletal muscle contract by
Which of the following is a sesamoid bone?
Select the incorrect statement
Locomotion and Movement Match the Following Questions for NEET
Match column I with column II.
| Column I | Column II |
|---|---|
| A. Skeletal muscle | (i) Spindle shaped |
| B. Red muscle fibres | (ii) Slow rate of contraction |
| C. Cardiac muscles | (iii) Voluntary |
| D. Visceral muscles | (iv) Intercalated discs |
A. A-(iii), B-(ii), C-(iv), D-(i)
Locomotion and Movement Assertion and Reason Questions for NEET
In each of the following questions, a statement of Assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Of the statements, pick the correct answer as :
Assertion : A neuron generates an action potential in the sarcolemma, which leads to release of calcium ions in sarcoplasm. Reason : Calcium ions removes the masking of active sites on actin filaments
Assertion : Tetany refers to a muscular disorder which causes rapid spasms. Reason : Calcium ions are low in body fluids.
Assertion : Muscle fibre is a syncitium. Reason : Sarcoplasmic reticulum of the muscle fibre is the storehouse of potassium ions.
Assertion : Cranium is formed by sutures. Reason : Flat skull bones fuse end to end with the help of dense fibrous connective tissues in the form sutures.
Assertion : Visceral muscles are called striated muscles. Reason : Striated muscles have a striped appearance under the microscope.
Locomotion and Movement Figure-Based Questions for NEET
Refer to the given figure and answer the following questions
(a) What does the given figure represent? Identify A, B, C and D.
A. The given figure shows the diagrammatic representation of a sarcomere. In this figure, A is A-band, B is Z-line, C is I-band and D is H-zone.
(b) Write differences between ‘A’ and ‘C’.
A.
| S.no | A-band (Anisotropic band) | I-band (Isotropic band) |
|---|---|---|
| 1. | It has wide zone. | It has thin Z-line. |
| 2. | It gives dark appearance and hence also called dark band | It gives light appearance hence also called light band |
| 3. | It contains myosin filaments and parts of actin filaments. | It contains part of actin filaments |
| 4. | It length remains unchanged during muscle contraction | It shortens during muscle contraction |
(c) Write about changes in length of A, C and D during muscle contraction.
A. During muscle contraction, H-zones and I-bands shorten but the length of A-band remains constant.
Best & Most Recommended Books for NEET UG 2023 Exam
 |
NEET Guide
|
|
Objective NCERT At Your Fingertips
|
 |
|
|
NEET Champion
|
NEET Explorer
|
 |
|
|
35 Years NEET Chapter-wise Solutions
|
| NEET Jumbo Pack
It comprises –
Free Resources –
|
 |
Preparing for NEET? Don’t forget to check Chapterwise Important Questions–
- The Living World NEET Questions and Answers
- Biological Classification NEET Questions and Answers
- Plant Kingdom NEET Questions and Answers
- Animal Kingdom NEET Questions and Answers
- Electrostatics NEET Questions and Answers
- Morphology of Flowering Plants NEET Questions and Answers
- Anatomy of Flowering Plants NEET Questions and Answers
- Structural Organisation in Animals NEET Questions and Answers
- Cell the Unit of Life NEET Questions and Answers
- Biomolecules NEET Questions and Answers
- Cell Cycle and Cell Division NEET Questions and Answers
- Transport in Plants NEET Questions and Answers
- Mineral Nutrition NEET Questions and Answers
- Respiration in Plants NEET Questions and Answers
- Plant Growth and Developments NEET Questions and Answers
- Photosynthesis in Higher Plants NEET Questions and Answers
- Digestion and Absorption NEET Questions and Answers
- Breathing and Exchange of Gases NEET Questions and Answers
- Body Fluids and Circulation NEET Questions and Answers
