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Worksheet Solutions: Our Skeletal System | Eureka Plus Class 5: Book Solutions, Notes & Worksheets PDF Download

Multiple Choice Questions

Q1: What is the main function of the skeleton?
(a)
To produce energy
(b) To support the body and help maintain its shape
(c) To digest food
(d) To circulate blood
Ans: (b) To support the body and help maintain its shape


Q2: How many bones does an adult human skeleton have?
(a) 
206
(b) 250
(c) 180
(d) 300
Ans: (a) 206


Q3: Which of the following is NOT a type of joint?
(a) 
Ball and socket joint
(b) Hinge joint
(c) Round joint
(d) Pivot joint
Ans: (c) Round joint


Q4: What does the vertebral column protect?
(a)
The heart
(b) The lungs
(c) The spinal cord
(d) The stomach
Ans: (c) The spinal cord


Q5: Which of the following is a function of ligaments?
(a) 
To produce blood cells
(b) To connect muscles to bones
(c) To hold bones together at joints
(d) To store fat
Ans: (c) To hold bones together at joints


Fill in the Blanks

Q1: The _______ is the bony framework of the head.
Ans:
Skull


Q2: An adult human skeleton has _______ bones.
Ans: 
206


Q3: The _______ is made up of 33 bones called vertebrae.
Ans: 
Vertebral column


Q4: Muscles are connected to bones by _______.
Ans: 
Tendons


Q5: The rib cage protects vital organs such as the _______ and _______.
Ans: 
Lungs and heart


True or False Statements

Q1: All joints in the body allow for movement. (True/False)
Ans: 
False


Q2: The lower jaw of the skull is immovable. (True/False)
Ans: 
False


Q3: The vertebral column protects the spinal cord. (True/False)
Ans:
True


Q4: Bones are soft and spongy on the outside. (True/False)
Ans: 
False


Q5: Muscles work in pairs to facilitate movement. (True/False)
Ans:
True


Match the Following (In a Table)

Worksheet Solutions: Our Skeletal System | Eureka Plus Class 5: Book Solutions, Notes & WorksheetsAns:
Worksheet Solutions: Our Skeletal System | Eureka Plus Class 5: Book Solutions, Notes & Worksheets

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FAQs on Worksheet Solutions: Our Skeletal System - Eureka Plus Class 5: Book Solutions, Notes & Worksheets

1. What are the main functions of the skeletal system?
Ans. The main functions of the skeletal system include providing structure and support to the body, protecting vital organs, aiding in movement by acting as levers for muscles, producing blood cells in the bone marrow, and storing minerals such as calcium and phosphorus.
2. How many bones are there in the human body?
Ans. An adult human body typically has 206 bones. However, infants are born with approximately 270 bones, some of which fuse together as they grow, resulting in the lower number in adulthood.
3. What types of bones are there in the skeletal system?
Ans. There are four main types of bones in the skeletal system: long bones (like the femur), short bones (like the wrist bones), flat bones (like the skull), and irregular bones (like the vertebrae).
4. What is the role of cartilage in the skeletal system?
Ans. Cartilage serves as a flexible connective tissue that cushions joints, reduces friction between bones, and provides support to structures such as the ears and nose. It plays a crucial role in maintaining joint health and function.
5. How does the skeletal system work with the muscular system?
Ans. The skeletal system works with the muscular system by providing a framework for muscles to attach to. Muscles contract and pull on bones, which allows for movement of the body. This partnership is essential for all physical activities, from walking to jumping.
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