Chanderbala Modi Academy Question Bank Evaluation I Year 2014-15 Subject :Science Class : IV Lesson 1: Food Q1. Choose the correct option: 1. Which of these gives you protein? a) Carrot b) Banana c)Meat 2. Which of these does not need to be cooked before eating? a) Noodles b)Vada c) Peach Q2. Fill in the blanks: 1. ________ mineral makes our bones and teeth strong. 2. Food should be cooked properly, otherwise _____ will be lost. 3. We get quick energy from ____________ . Q3. Answer the following : 1. 2. 3. 4. 5. 6. 7. 8. Why does food that is not fresh get spoilt? Why are children asked to eat lots of protein rich food? Explain the different methods of preservation. Water does not contain any nutrient, still it is important for us. Why? Name three substances that can be added to food to preserve it. What is a balanced diet? How the nutrients are lost from food while cooking? Define : Balanced Diet , Preservatives Lesson 2: Digestion Q1. Choose the correct option: 1. Which of these organs is not a part of the digestive system? a) Mouth b) Heart c)Food pipe 2. The body cannot digest a) meat b)Fish c) Fibre Q2. Fill in the blanks: 1. ________ your mouth thoroughly after eating. 2. The digestive juice present in the mouth is ________. 3. The food pipe takes the food to the ____________ . Q3. Answer the following : 1. Write good eating habits. 2. Why is digestion of food necessary? 3. Name four organs of our digestive system which make digestive juices. 4. What is fibre? How it is useful? 5. Name the digestive juices produced in the small intestine. 6. What happens to the undigested food in our body? 7. How is saliva useful in digesting food? 8. Draw and label the digestive system in humans. Lesson 3: Teeth and Microbes Q1 Choose the correct option: 1. The teeth next to canine are a) Incisors b) Premolars c)Molars 2. How many teeth would a child have at the age of three? a) 32 b)28 c) 20 3. The smallest microbes are a) Protozoa b) Fungi c) Viruses 4. The hardest part of the tooth is a) Dentine b)Enamel c) Pulp Q2. True or False: 1. 2. 3. 4. 1 gm of soil may have 150,000 protozoa. Keeping our teeth clean is not necessary. All our teeth have same shape. A microbe is as small as a rice grain. . Q3. Answer the following: 1. Name the different kinds of teeth a human has and what each is used for? 2. Give any three uses of microbes. 3. What will happen to your teeth if you do not brush them regularly? Why? 4. Write the diseases caused due to different microbes. 5. Where do fungi grow? 6. What kind of microbes is called germs? 7. Define : Microscope , Decay 8. Draw and label structure of tooth and types of microbes. Lesson 4: Matter Q1. Fill in the blanks: 1. 2. 3. 4. A solid changes into a liquid on______. The amount of space a book takes up is called its_______. Matter is made up of tiny particles called _____. Heating and cooling causes changes in the state of ______. Q2. Answer the following : 1. What is the difference in the way molecules are arranged in ice, water and water vapour? 2. Define : Solute , Solution , Solvent , Molecules 3. How can you make saturated solution of salt? 4. How does iron melt? 5. When sugar is dissolved in water, the volume of water remains the same. Why? 6. Why cannot solids flow? 7. Differentiate between solid, liquid and gas based on their volume and shape. 8. What is matter? Is air matter? Why?