RBSE Solutions for Class 6 Science Chapter 8 Body Movement

Rajasthan Board RBSE Solutions for Class 6 Science Chapter 8 Body Movement Textbook Exercise Questions and Answers.

RBSE Class 6 Science Solutions Chapter 8 Body Movement

RBSE Class 6 Science Body Movement InText Questions and Answers

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Question 1. 
Boojho wonders about movements in plants. He knows they do not move from place to place, but, do they show any other kind of movements?
Answer:
Yes, even plants show movements like animals. Plants show two different types of movements, one is independent on growth and the other is dependent on growth. They show movement in response to light, known as phototropism and movement of a plant part in response to gravity, known as geotropism.

RBSE Class 6 Science Body Movement Textbook Questions and Answers

Question 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 the movement.
Answer:
(a) movement 
(b) skeleton 
(c) hinge 
(d) muscle.

Question 2. 
Indicate True (T) and False (F) among the following sentences:
(a) The movement and locomotion of all animals are exactly the same.
(b) The cartilages are harder than bones.
(c) The finger bones do not have joints.
(d) The forearm has two bones.
(e) Cockroaches have an outer skeleton. 
Answer:
(a) False 
(b) False 
(c) False 
(d) True 
(e) True. 

Question 3. 
Match the items in Column I with one or more items of Column II: 

Answer:

Question 4. 
Answer the following questions:
(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) When the rounded end of one bone fits into the hollow space of other bone, it is called a ball and socket joint. Ball and socket joints allow movements in all the directions, e.g. shoulder and hip can be moved in all directions.
(b) In skull, all the joints are movable except the lower jaw.
(c) Our elbow cannot move backwards because the elbow has a hinge joint that allows movement in only one plane.