Sushovan Pal

    Life Skills 1. Why is maintaining personal hygiene important for a person’s health? Maintaining personal hygiene is important because it helps prevent the spread of germs and infections. It keeps the body clean, reduces the risk of illnesses, and promotes overall physical and mental well-being. 2. Give some examples of good personal hygiene habits that a person can adopt. Examples of good personal hygiene habits include: Regular handwashing with soap and water Brushing teeth twice a day Taking a bath or shower daily Wearing clean clothes Trimming nails regularly 3. What role does promoting community hygiene play in creating a healthier environment? Promoting community hygiene helps create a healthier environment by reducing the spread of diseases and preventing pollution. It ensures that public spaces are clean and safe, which benefits everyone in the community. 4. How can individuals contribute to creating a cleaner an...

  1. Fill in the blanks: (i) All the radii of a circle are equal. (ii) The distance around a circle is called the circumference . (iii) Any part of a circle is called an arc . (iv) The radius of a circle is half of its diameter. (v) The mid-point of a diameter is the center of the circle. 2. Write 'T' for true or 'F' for false: (i) F (The line segment joining two points on a circle is called a chord , not an arc.) (ii) T (All diameters are chords.) (iii) F (A circle has an infinite number of radii.) (iv) F (The area lying between two radii is a sector , not a tangent.) (v) T (Twice a circle is a semicircle.) 3. From the given figure, identify the following: (i) OA is a radius. (ii) AB is a diameter. ((ii) APB is a semicircle. (iv) O is the center. (v) AP is a segment. (vi) OAP is a sector. 4. O is the center of the two circles in the figure drawn below. Fill in the blanks for the following: (i) OA, OB are radii of the i...

    1. Which of the following closed plane figures are not polygons? Answer: (iv) Circle (v) Flower shape (curved edges) (vii) Shape with a curved side Reason: A polygon is a closed plane figure with straight sides. Circles and shapes with curved edges are not polygons. 2. Which of the following figures are not polygons, and why? Answer: (i) Not a polygon (has a curved side) (iv) Not a polygon (has curved sides) Reason: Polygons must have straight sides. Any figure with curved edges is not a polygon. 3. For each polygon: Write down the number of sides and name the polygon. Figure Number of Sides Name of Polygon (i) 3 Triangle (ii) 5 Pentagon (iii) 6 Hexagon (iv) 5 Pentagon (v) 4 Quadrilateral (vi) 7 ...