Kseeb Class 6 Science Chapter 8 Body Movements Solutions
Welcome to NCTB Solutions. Here with this post we are going to help 6th class students by providing KSEEB Class 6 Science chapter 8 Solutions, Body Movements. Here students can easily find all the answers for Body Movements chapter. Also here our Expert Science Teacher’s solved all the exercise questions with easily understandable language with proper guidance so that all the students can understand easily. Here in this post students will get chapter 8 solutions. Here all the solutions are based on Karnataka State Board latest syllabus.
Body Movements Solutions :
(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
Answer :
(a) Movement
(b) Skeleton
(c) Hinge joint.
Reason : The elbow bones are responsible for straightening, extending of arms, so, the hinge joint is present over their.
(d) Muscles.
Reason : The muscles helps the bones to contract and relax.
(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
Answer :
(a) False, because can some time similar but not whole same because the body’s are different and structure are different and movement will be changed hence the movement and locomotion of all animals is not same.
(b) False, because the cartilages are not hard but they can bent hence they are used un body in ear and nose etc.
(c) False, because as we bend our finger we feel the joints this joints is between the carpels hence the fingers bone have the joints.
(d) True
(e) True
(3) Match the items in Column I with one or more items of Column II.
| Column I : | Column II : |
| (i) Upper jaw | (a) have fins on the body |
| (ii) Fish | (b) has an outer skeleton |
| (iii) Ribs | (e) can fly in the air |
| (iv) Snail | (d) is an immovable joint |
| (v) Cockroach. | (e) protect the heart |
| (f) shows very slow movement | |
| (g) have a streamlined body |
Answer :
(i) → (d) is an immovable joint.
(ii) → (a) have fins on the body.
(iii) → (e) protect the heart.
(iv) → (f) shows very slow movement.
(v) → (e) protect the heart.
(4) Answer the following :
(a) What is a ball and socket joint?
Answer :
The name of these joint simplify itself the ball and socket joint these joint gives a perfect movement to your hand and we can move our hand in many directions The rounded end of one bone fits into the cavity (hollow space) of the other bone these joint is seen in your shoulder and hand and again in pelvic girdle and thigh joint is an example of ball and socket joint.
(b) Which of the skull bones are movable?
Answer :
Skull is made up of so many bones which are pickle closed to not move and keep safe the brain inside it and many other many things there are some cartilage which bent and present in ear but they are said to be cartilage not bone and in skull only one bone move that is lower jaw.
(c) Why can our elbow not move backwards?
Answer :
The elbow is joined with the body with the hinge joint that allows only a back and forth movement hence we cannot move our elbow backwards.
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