Class 6 Science Chapter 8 Body Movements
NCERT Solution for class 6 Science Chapter 8 Body Movements, (English) exam are Students are taught thru NCERT books in some of state board and CBSE Schools. As the chapter involves an end, there is an exercise provided to assist students prepare for evaluation. Students need to clear up those exercises very well because the questions withinside the very last asked from those.
Sometimes, students get stuck withinside the exercises and are not able to clear up all of the questions. To assist students, solve all of the questions and maintain their studies without a doubt, we have provided step by step NCERT Solutions for the students for all classes. These answers will similarly help students in scoring better marks with the assist of properly illustrated solutions as a way to similarly assist the students and aswering the questions right.
NCERT Solution for class 6 Science Chapter 8 Body Movements
Class 6 Science Chapter 8 Body Movements
Exercise Questions
Page number – 78
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.
Solution:
(a) Joints of the bones help in the movement of the body.
(b) A combination of bones and cartilages forms the skeleton of the body.
(c) The bones at the elbow are joined by a hinge joint.
(d) The contraction of the muscles pulls the bones during movement.
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. ( )
Solution:
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.
Solution:
| 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 |
Solution:
| Column I | Column II |
| Upper jaw | is an immovable joint |
| Fish | Have fins on the body, Have a streamlined body |
| Ribs | Protect the heart |
| Snail | Has an outer skeleton and Shows very slow movement |
| Cockroach | Has an outer skeleton and 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?
Solution:
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 which is called as ball and socket joint.
b) Lower jaw
c) Our elbow cannot move backwards because it has hinge joints which only allow back and forth movement
