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**Final Term Examination 2023-2024** **Std. : V** **Full Marks : 30** **Subject : Science** **Time : 1hr.** *(Attempt all questions)* ### 1. **Fill in the blanks:** *(Do not copy any questions)* (i) The human skeleton is made up of _____ bones. (ii) The place where two bones meet is called...

**Final Term Examination 2023-2024** **Std. : V** **Full Marks : 30** **Subject : Science** **Time : 1hr.** *(Attempt all questions)* ### 1. **Fill in the blanks:** *(Do not copy any questions)* (i) The human skeleton is made up of _____ bones. (ii) The place where two bones meet is called a _____. (iii) The bones that protect the brain are called the _____. (iv) A lever consists of a rigid bar and a _____. (v) The fulcrum acts as a _____ for a lever. ### 2. **Name the following:** (i) The type of joint found in the shoulder and hip. (ii) The simple machine used to lift objects by applying force at one end. (iii) The type of bone that protects the lungs and heart. (iv) The type of pulley that is fixed in position. (v) The part of the skeleton that supports the body and protects the spinal cord. ### 3. **Match the following:** Column A | Column B ---|--- (i) Cranium | First-class lever (ii) Elbow | Load (iii) Inclined plane | Ball and socket joint (iv) Biceps lifting forearm | Skull (v) Scissors | Second-class lever ### 4. **State whether the following are true or false:** (i) The knee joint is an example of a ball and socket joint. (ii) A wheelbarrow is an example of a second-class lever. (iii) The ribs are part of the axial skeleton. (iv) A fixed pulley changes the direction of force but does not reduce the effort. (v) A wedge is a simple machine that is used to split or cut objects. ### 5. **Answer the following questions:** (i) What are the two main functions of the skeletal system? (ii) Explain how a first-class lever works and give an example from the human body. (iii) What is the difference between a fixed pulley and a movable pulley? (iv) Name any two types of joints and explain their movement. (v) How do simple machines help make work easier? Give an example.