Standard 3

  Workbook 1.       Write whether the following statements are true or false. a.         The act of chewing stimulates the salivary glands to release saliva. True b.         Pasteurisation involves heating milk at a very low temperature. False c.          Lemon is an example of a natural preservative. True d.         Improper storage of food leads to food spoilage. True     2.       Define the following a.         Microorganisms ans: Microorganisms are living things that are too small to be seen with the naked eye.     b.         Health ans: Health is the state of complete physical and mental well-being and not merely the absence of diseases.     c.          D

  1.     Fill in the blanks               a.          On a globe, the north pole is marked denoted as N .               b.         There are 181 number of latitudes on the globe.               c.          The part of the Earth south of the equator is called the Northern Hemisphere .               d.         The network of latitude and longitude is called a grid.   2.     True or false/circle the correct answer/identify etc a.      The 30˚ Meridian is also known as Prime meridian. False b.      The length between the longitudes decreases as one moves away from c.        the equator. True d.      The Tropic of Capricorn does not pass through India. True e.      The axis of the earth is tilted as shown in the globe. True   3.     Answer the following questions in one sentence               a.          How many latitudes are there in either of the Northern and Southern hemisphere? Ans.There are 90 degrees in either of the hemispheres.                 b.