Human Body - The Skeletal System Quiz - ICSE Class 5 Science
Free practice quiz: Human Body - The Skeletal System (ICSE Class 5 Science). 13 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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Which of the following bones protects the brain?
- Femur
- Ribs
- Skull
- Vertebrae
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Answer: C. Skull
The skull is a bony structure that encloses and protects the brain. The femur is the thigh bone, the ribs protect the chest organs, and the vertebrae form the backbone.
How many bones are typically found in an adult human skeleton?
- 180
- 206
- 220
- 300
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Answer: B. 206
An adult human skeleton is generally composed of 206 bones. Babies are born with more bones, which fuse together as they grow.
The backbone, also known as the vertebral column, is made up of individual bones called:
- Ribs
- Sternum
- Vertebrae
- Clavicles
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Answer: C. Vertebrae
The vertebral column, or backbone, is a series of bones called vertebrae, which protect the spinal cord and provide support for the body.
What is the primary function of the pelvic girdle?
- To protect the brain
- To support the upper body and attach the legs
- To allow arm movement
- To form the rib cage
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Answer: B. To support the upper body and attach the legs
The pelvic girdle, composed of the hip bones, connects the vertebral column to the lower limbs and supports the weight of the upper body, while also protecting the abdominal organs.
Which of the following is a function of the skeletal system?
- Digesting food
- Circulating blood
- Producing hormones
- Providing support and shape
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Answer: D. Providing support and shape
The skeletal system provides the body's framework, giving it shape and support, protecting internal organs, allowing for movement, and storing minerals.