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NCERT Exemplar · Class 6 · Science

Chapter 8: Body Movement

Practice each question, then open the answer or worked solution.

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Short Answer Questions

6 questions
Q11Written answer

Match the name of the animals given in Column I with its body parts used for movement given in Column II.

Column I

Column II

a) Human beings

i) Wings

b) Cow

ii) Limbs

c) Eagle

iii) Fins

d) Snake

iv) Legs

e) Fish

v) Whole body


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Worked solution

Ans: The correct match for the given animals in Column I to their body parts used for movement in Column II is given in the table below.


Column I

Column II

a) Human beings

ii) Limbs

b) Cow

v) Legs

c) Eagle

i) Wings

d) Snake

iv) Whole body

e) Fish

iii) Fins 


Q12Written answer

Given below is a list of different types of movements in animals.

Running, Jumping, Walking, Slithering, Crawling, Flying, Swimming, Creeping

Write the types of movements seen in each animal.

(a) Duck

(b) Horse

(c) Kangaroo

(d) Snail 

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Worked solution

Ans: Swimming and walking

Ans: Running and walking

Ans: Jumping

Ans: Crawling

(e) Snake

Ans: Slithering

(f) Fish

Ans: Swimming

(g) Human beings

Ans: Walking and running

(h) Cockroach

Ans: Creeping and flying


Q13Written answer

Boojho fell off a tree and hurt his ankle. On examination, the doctor confirmed that the ankle was fractured. How was it detected?

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Worked solution

Ans: The doctors use the method of X-rays to detect any fracture of the bone. The X-rays pass through the muscles, tissues or cavities but do not pass through any bone. Hence, the bones appear white and it helps the doctor to detect the fracture.


Q14Written answer

Bones are hard structures and cannot be bent. But, we can still bend our elbow, knee, etc. How is this possible?

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Worked solution

Ans: A single bone can not be bent from any of its parts but if two bones are joined to each other through a joint then we may be able to move that set of bones accordingly. Such as the hinge joint, pivotal joint, ball and socket joint, and the pelvic joint.


Q15Written answer

Which type of movement would have been possible if

(a) Our elbow had a fixed joint.

(b) We were to have a ball and socket joint between our neck and head.

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Worked solution

Ans: If our elbow had a fixed joint then no movement would have been possible in our elbow.

Ans: If we would have a ball and socket joint between our neck and head instead of a pivotal joint then we would be able to turn our head in all the directions just like our arm.


Q16Written answer

Earthworms are known as ‘farmer’s friends. Why?

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Worked solution

Ans: Earthworms are generally found in the fields below the thin layers of soil as they burrow in the soil. This helps in improving the quality of the soil by making the soil loose, soft, and making the movement of air easier through the soil. This helps the crops to grow better. This is why earthworms are known as farmers’ friends.