CLASS-6- BASIC SCIENCE- CHAPTER-10-For Shape and Strength

Multiple Choice

1. Shells protect body parts, give them shape, and allow you to flee from attacks. These outer-body coverings are referred as

• Endoskeleton

• Jawbone

• Exoskeleton

• Hinge point

​Explanation

Shells help to protect the body parts, provide shape and help to escape from enemies .These coverings in the outer surface of the body are called Exoskeleton

Multiple Choice

2. Which of the following organisms are posses outer shell?

1. Beetle

2.Crab

3 .Oyster

4. Snake

Select the correct answer using the code given below .

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​

  Snails, crabs, and oysters all have hard shells that give them shape and aid in their escape from predators.

 

Multiple Choice

3. How do the exoskeleton helps the animals?

1. Shells  help to protect the body parts

2. Provide shape

3 .Help to escape from enemies.

Select the correct answer using the code given below

• 1 and 2

• 2 and 3

• 1,2 and 3

• 1 and 3

​Explanation

Shells help to protect the body
parts, provide shape and help to escape from enemies.

Multiple Choice

4. What are the characteristics of the Ball and socket joint?

1. Freely movable

2. It can be moved only in one direction

3. The balls of one bone rotate the socket of another bone

4. Elbow is an example of this

Which of the statements given above is/are correct?

 

• 1 and 2

• 1 and 3

• 2 and 3

• 1,2 and 3

​

Characteristics of ball and socket bones

·     Freely movable

·     The ball of one born rotates in the socket of other bone

·     Example: shoulder joint

and Hip joint

Multiple Choice

5.What are the characteristics of exoskeleton?

1.It refers to internal skeleton

2.It found in vertebrate

3.It grows as body grows

4.It is made up of bones and cartilages

Select the correct answer using the code given below

 

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​Exoskeletons are used to support body weight, assist with lifting, help maintain loads, or stabilize the user's body.

Multiple Choice

6.What are the examples of exoskeleton ?

1. Scales of fish

2.Frathers of birds

3.Horns of animals

Select the correct answer using the code given below

• 1 and 2

• 2 and 3

• 1,2 and 3

• 1 and 2

​

Examples of exoskeleton

·     Scales of fish

·     Feathers of birds

·     Horns of animals

Multiple Choice

7. Consider the following animals:

1. ZMany organisms are attractive because of their exquisite patterns and colours in their exoskeletons.

2. Their attractiveness is  poses a threat to their survival

 

Which of the statements given above is/ correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

​Explanation

`·     Many organisms are attractive because of their exquisite patterns and colours in their exoskeletons.

·     Their attractiveness also poses a threat to their survival.

·     Man captures these organisms without any concern for them. Many of such organisms are facing the threat of extinction

 

Multiple Choice

8. In each hand, how many bones are there?

• 31

• 32

• 40

• 35

​

There are 32 bones in each hand

Multiple Choice

9. Which of the following organisms posses both endoskeleton and exoskeleton ?

• Cockroach

• Tortoise

• Snail

• Snake

​Explanation

·     Organisms like tortoise and  crocodile possess both endoskeleton and exoskeleton.

Multiple Choice

10.Consider the following statements:

1. In cow and goat the skeleton seen inside the body

2.The crocodile posses both exoskeleton and endoskeleton

Which of the statements given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

​Explanation

·     In cow and goat , the skeleton is seen inside the body.

·The crocodile has both an exoskeleton and an endoskeleton.

Multiple Choice

11.Consider the following statements:

1.Bones provide shape and strength to the body.

2.They  help in movement of the body

Which of the statements given above is/are not correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

​Explanation

·     Bones provide shape and strength to the body.

· They  help in movement if the body

Multiple Choice

12.Which of the following is provide shape and strength to the body?

 

• Bones

• Joints

• Calcium phosphate

• None of the above

​Explanation

Bones provide shape and strength to the body

Multiple Choice

13. Consider the following paired:

1.Skull:Protect brain

2. Vertebral column: keep the body erect

3. Ribs: largest bone in the human body

4. Thigh bone: protect lungs Which of the pair given above is/are correct?

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​

·     Skull: Protect brain

·     vertebral column: keep the body erect

·     Ribs: protect lungs

·     Thighbone: largest bone in the human body

 

Multiple Choice

14. Which of the following bones protects the brain?

• Ribs

• Skull

• Vertebral column

• Jawbone

​Explanation

The skull protects the brain

 

Multiple Choice

15. Which of the following are the bones of the human body?

1. Skull 2 .Ribs 3 .Vertebral column

4. Hinge point

Select the correct answer using the code given below

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​Bones in the human body • Skull • Ribs • Vertebral column • Bones in the hand • Bones in the leg

Multiple Choice

16. Consider the following statements:

1. The Ribs keeps the body erect.

2. Proper postures are to be maintained for the health  and longevity of the vertebral column

Which of the statements given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

·     The vertebral column keeps the body erect.

·     It is critical to keep the spinal column straight at all times. The bending of the spinal column will have a negative impact health. This could also cause back pain.

Multiple Choice

17. How can we identify the bone fracture?

1.Pain in the injured part

2.Difficulty in moving injured part

3. Swelling in the affected part

4.A slight bending in the site of injury

Which of the statements given above is/are correct?

 

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​

Symptoms of body fracture

1.Pain in the injured part

2.Difficulty in moving injured part

3.Swelling in the affected prt

4.A slight bending  at the site of injury

5.Structural changes with respect to a similar bones

 

Multiple Choice

18. In the nose and ear, soft bones can be seen. These are referred to as

• Hinge point

• Cartilage

• Vertebral column

• Ribs

​Explanation

Soft bones are seen in nose and ear. These are called cartilage.

Multiple Choice

19.Consider the following statements:

1. The movement and locomotion of all animals is exactly same

2.Cartilages are harder than bones

 

Which of the pair is given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

​

·     The movement and location of different animal is different

·     The cartilage are softer than bones

Multiple Choice

20. Which connect bones together and help us in various movements and actions?

• Bones

• Joints

• Skeleton

• Cartilage

​

Joints connects bones together and help us in various movements and actions

Multiple Choice

21.Which of the following  the skeletal joint which permits movement in one directionally?

 

• Hinge point

• Ball and socket join

• Pivot joints

• None of the above

​Explanation

Hinge joints are formed when two or more bones are connected by a single axis and can only bend or extend along that axis

 

Multiple Choice

22. Consider the following statements:

1. The presence of calcium phosphate causes bone hardness.

 

2.In newborns, the

Because calcium phosphate deposition is greater, bones are not as hard.

 

Which of the statements given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

​

·     The presence of calcium phosphate contributes to the hardness of bone. As a result, calcium and phosphorus are required for the development of bones

·  Minerals such as calcium and magnesium are required for growth.

·   Phosphorus helps to harden bone.

·  In newborns, the because of this, bones are not very hard.

·  Calcium phosphate deposition is reduced

Multiple Choice

23. Consider the following pair of bones and numbers?

1. Skull: 22

2.Ribs:24

3. Vertebral column:33

4 .Chest bone:2

Which of the following is/are correct?

 

• 1 and 2

• 2 and 3

• 1,2 and 3

• All of the above

​

Bone and number

·     Skull: 22

·     Ribs:24

·     vertebral column:33

·     Chest bone :1

Multiple Choice

24. Consider the following statements:

1. Exoskeleton is mainly found in Arthropods.

2 .The only moveable bone in the skull is the lower jaw bone.

Which of the statements given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

·     The exoskeleton is mainly found in Arthropods.

·     The only moveable bone in the skull is the lower jaw bone.

Multiple Choice

25. The bones, joints, ligaments, and cartilage that make up the body's framework are known as

• Skeleton

• Joint

• Bones

• None of the above

​The skeletal system is the framework for the body, consisting of bones, joints, ligaments, and cartilage.

Multiple Choice

26. Which of the following is our body's strongest bone?

• Ribs

• Skull

• Jaw bone

• Waist bone

Jaw bone is strongest bone in our body

Multiple Choice

27.The injuries to which of the following bone cause paralysis?

• Vertebral volume

• Skull

• Ribs

• Cartilages

​Explanation

The injuries to vertebral column cause paralysis

Multiple Choice

28.Which of the following is the largest bone in the human body?

• Thigh bone

• Cartilages

• Skull

• Ribs

​Explantion

Thigh bone is the largest bone in the human body

 

Multiple Choice

29.Which is the smallest bone in human body?

• Thighbone

• Stapes bone in the ear

• Skull

• Ribs

​Explanation

Stapes bone in the ear is smallest bone in the human body

Multiple Choice

30.How many bones are there in the body at the time of birth?

• 206

• 300

• 301

• 201

​

At the time of birth, the human body contains 300 bones. Certain bones fuse together as the baby grows, reducing the number of bones to 206.

​QUIZ CODE; 550

DATE ; 23-05-2023