CBSE Science Class 6 Chapter 5 NCERT Solution - Body Movements
NCERT Solutions for Class 6 Science Chapter 5 Body Movements will guide students in learning the concepts comprehensively. Detailed answers and explanations provided in this study material will help them with different aspects of body movements, which is very important to understand Anatomy topics in future classes.
These NCERT Solutions have a variety of questions and detailed answers to them, which include fill in the blanks, match the following, true or false and descriptive answer questions. All the answers provided here are prepared by subject experts at TEXTUAL SOLUTION, and they will help students in their CBSE Class 6 exam preparation.
Chapter 5 of NCERT Solutions for Class 6 Science will provide knowledge on bones, cartilage and the formation of the skeleton in the human body. This Chapter comprises details about the skull, backbone, alternate contraction, locomotion in insects, fish, earthworm and snail.
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 albow are joined by a ________ joint.
(d) The contraction of the _______ pulls the bones during movements.
Answer:
(a) movement
(b) skeleton
(c) hinge
(d) muscle
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
(b) False
(c) False
(d) True
(e) True
3. Match the items in column I with one or more items of column II.
Upper jaw - is an immovable joint.
Fish - have fins on the body, have a streamlined body.
Ribs - protect the heart
Snail - shows very slow movement.
Cockroach - has an outer skeleton, can fly in the air.
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 ?
Answer:
(a) The rounded end of one bone fits into the cavity (hollow space) of the other bone. Such a joint allows movements in all directions. This is called ball and socket joint.
(b) Lower jaw
(c) Elbow cannot move backwards because it has hinge joint which allows only back and forth movements, only for one side binding.
