NCERT Solutions for Class 6 Science Chapter 8 Body Movements

NCERT Solutions for Class 6 Science Chapter 8 - Body Movements

Welcome to the Chapter 8 - Body Movements, Class 6 Science NCERT Solutions page. Here, we provide detailed question answers for Chapter 8 - Body Movements. The page is designed to help students gain a thorough understanding of the concepts related to natural resources, their classification, and sustainable development.

Our solutions explain each answer in a simple and comprehensive way, making it easier for students to grasp key topics Body Movements and excel in their exams. By going through these Body Movements question answers, you can strengthen your foundation and improve your performance in Class 6 Science. Whether you’re revising or preparing for tests, this chapter-wise guide will serve as an invaluable resource.

Exercise 1

Q 1:

Fill in the blanks:
(a) Joints of the bones help in the ——————— of the body.
(b) A combination of bones and cartilages forms the _______ of the body.
(c) The bones at the elbow are joined by a ______________________ joint.
(d) The contraction of the _____________ pulls the bones during movement.

(a) Movement

It is so because, two bones are connected together with the help of joints. They helps in the movement of the body.

(b) Skeleton

Bones and cartilage are combine to form a skeleton of the body.

Hinge joints are those joints which moves only in one direction.

(d) Muscles

When the movement occurs, muscles pull and contraction occurs.

Q 2:

Indicate true (T) and false (F) among the following sentences.
(a) The movement and locomotion of all animals is exactly the same. ( )
(b) The cartilages are harder than bones. ( )
(c) The finger bones do not have joints. ( )
(d) The fore arm has two bones. ( )
(e) Cockroaches have an outer skeleton. ( )

(a) False

It is false because locomotion means movement or displacement of entire body whereas movement is the displacement of entire body or its parts.

(b) False

It is false statement because cartilage is harder but not as bone.

No, this statement is wrong because due to the presence of joints, our fingers can move.

(d) True

Yes, it is so because as we know that our forearm has two bones: ulna and radius.

(e) True

Yes, this statement is correct because as we know that cockroaches have outer skeleton that is made up of number of plates which helps in movement.

Q 3:

Match the items in Column I with one or more items of Column II.

Column I Column II
Upper jaw have fins on the body
Fish has an outer skeleton
Ribs can fly in the air
Snail is an immovable joint
Cockroach protect the heart
shows very slow movement
have a streamlined body

Column I Column II

Upper jaw It is an immovable joint Fish Have fins, have a streamlined body Ribs Protects heart Snail Show very slow movement Cockroach Have an outer skeleton and can fly in air

Upper jaw is the skull bone. Lower jaw bone (Mandible) is the only one skull bone which is movable. Fishes have fins, have streamlined body so that they can easily swim in the water. Ribs are very hard and they protect the heart from the injuries or protects other delicate organs inside the chest. Snail shows very slow movement because movement is done by the muscular feet. Cockroaches have outer skeleton, can fly in air. This outer skeleton is made up of number of plates which helps them in the movement.

Q 4:

Answer the following:
(a) What is a ball and socket joint?
(b) Which of the skull bones are movable?
(c) Why can our elbow not move backwards?

Ball and socket joint: It is the type of joint; one bone is like a ball and other one is like a socket, and all is fixed into the socket. This type of joint is called ball and socket joint which is found in shoulders. Such types of joints make movements easy or we can say movements occurs in all directions.
Mandible: It is the only skull bone which can move. It is present in the lower jaw which is movable.
Our elbow cannot move in the backward direction because in elbow, hinge joint is present which allows the movement of elbow only in one direction.

Frequently Asked Questions about Body Movements - Class 6 Science

- 1. How many questions are covered in Body Movements solutions?
- All questions from Body Movements are covered with detailed step-by-step solutions including exercise questions, additional questions, and examples.
- 2. Are the solutions for Body Movements helpful for exam preparation?
- Yes, the solutions provide comprehensive explanations that help students understand concepts clearly and prepare effectively for both board and competitive exams.
- 3. Can I find solutions to all exercises in Body Movements?
- Yes, we provide solutions to all exercises, examples, and additional questions from Body Movements with detailed explanations.
- 4. How do these solutions help in understanding Body Movements concepts?
- Our solutions break down complex problems into simple steps, provide clear explanations, and include relevant examples to help students grasp the concepts easily.
- 5. Are there any tips for studying Body Movements effectively?
- Yes, practice regularly, understand the concepts before memorizing, solve additional problems, and refer to our step-by-step solutions for better understanding.

Exam Preparation Tips for Body Movements

The Body Movements is an important chapter of 6 Science. This chapter’s important topics like Body Movements are often featured in board exams. Practicing the question answers from this chapter will help you rank high in your board exams.

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