Chapter 1 Food : Where Does it Come From ?

Q1. Do you find that all living beings need the same kind of food? Ans. No, all living beings do not need same kind of food.

Q2. Name five plants and their parts that we eat. Ans. The names of five plants and their parts that we eat are: (i) Paddy: seeds (ii) Wheat: seeds (iii) Mustard plant: seeds and leaves (iv) Brinjal plant: fruits (v) Potato plant: stems

Q3. Match the items given in column A with those in column B.

Q. 4. Fill up the blanks with the words given: herbivore, plant, milk, sugarcane and carnivore. (a) Tiger is a__________ because it eats only meat. (b) Deer eats only plant products and so is called______________ . (c) Parrot eats only__________ (d) The_________ that we drink, which comes from cows, buffaloes and goats is an animal product. (e) We get sugar from___________ .

Ans. (a) carnivore (b) herbivore (c) plant (d) milk (e) sugarcane

Extra Questions VERY SHORT ANSWER TYPE QUESTIONS

Q1. Give two examples where two or more parts of a single plant are used as food. Ans. Mustard — seeds and leaves, Pumpkin — fruit and flowers.

Q.2. Name any one plant that grows in water and is eaten as food. Ans. Lotus — Stem of lotus is eaten as food.

Q3. Suggest any three ways you can think of to avoid wastage of food. Ans. (i) Avoid leaving food uneaten in meals. (ii) “Eat to live” and not “live to eat” — excess eating should be avoided. (iii) Raw food like pulses, grains should be stored properly.

Q4. Name two sugar producing plants. Ans. (a) Sugarcane

(b) Sugar beet.

Q5. Name a non-green plant that we eat. Ans. Mushroom.

Q6. What do you call the habit of an individual to eat a particular type of food items commonly? Ans. Food habit.

Q7. Compare your food habits with food habits of your friend who lives in Tamil Nadu. Ans. My food habit: Rice, pulses, vegetables, mustard oil. Food habit of my friend: Idli, dosa, sambhar, bara, rasam, upma and coconut oil, etc.

Q8. What items are used to prepare cooked rice? Ans. Raw rice and water.

Q9. Study the ingredients of various food items. Do they have some common food ingredients? Ans. Yes, they have some common ingredients like: water, salt and oil or ghee.

Q10. What are the two common sources of most of the ingredients of food items? Ans. (i) Plants

(ii) Animals

Q11. Name the three products each provided by plants and animals. Ans. Plant products: Grains, cereals and vegetables. Animal products: Milk, egg and meat.

Q12. Name three edible (eatable) parts of plants. Ans. (i) Roots

(ii) Fruits

(iii) Leaves

Q13. Which part of the plants do we eat generally? Ans. We generally eat fruits of many plants.

Q14. Which type of seeds gives more energy, sprouted seeds or normal seeds? Ans. Sprouted seeds give more energy than normal seeds.

Q15. What is honey? Ans. A sweet substance (liquid) prepared by bees from the riectar, i.e., sweet juice collected from flowers is called honey.

Q16. Where would you place human beings on the basis of food that they eat? Ans. Omnivores.

SHORT ANSWER TYPE QUESTIONS

Q1. What is food? Ans. The eatable substances eaten by humans and other animals to get energy for various activities like growth, development, metabolic processes etc. are called food.

Q2. Why should we eat cooked food? Ans. We should eat cooked food because by cooking we can kill harmful germs and make it germless. Cooked food can be easily digested and absorbed by our body. Cooking also improves the taste of food.

Q3. Explain the importance of food for living organisms. Ans. Importance of food is: (i) It provides energy to do various activities. (ii) It helps in growth. (iii) It helps to repair and replace damaged parts of the body. (iv) It protects us from infections and diseases.

Q4. Explain the various sources of food items and ingredients with the help of examples. Ans. There are mainly two sources of ingredients of various food items: (i) Plants: Plants provide us fruits, vegetables, pulses, grains, cereals, etc. (ii) Animals: Animals provide us milk, eggs, meat etc.

Q5. Define the term herbivores. Ans. The animals which eat only plants or plant products are called herbivores. For example, cow, goat and buffalo.

Q6. What are carnivores? Explain with examples. Ans. The-animals which eat other animals are called carnivores. For example, lion and tiger. Carnivores generally eat herbivores and other carnivores.

Q7. Define the term omnivores. Ans. The animals which eat both the plants and animals are called omnivores. For example, cat, dog and human beings.

Q8. What do you mean by food habit? Ans:The habit of an individual owing to which it takes a particular type of food depending on its taste and availability is called food habit.

Q9. Define the term ingredients. Ans: The materials that are needed to prepare a particular type of dish are called ingredients.

Q10. Explain the importance of food for living organisms. Ans: Food is needed by all living organisms for the following reasons:

· It provides us energy to do various activities.

· It helps in growth.

· It helps in repair and replacement of damaged parts of the body.

· It protects us from infections and diseases.

Q11. Whether plants or animals give us more varieties of food? Explain. Ans: We know that animals give us meat, eggs, milk, honey and few other varieties of food only. On the other hand, plants provide us a large varieties of food. For example, cereals, pulses, fruits, oil, fats, vegetables, sugar and a large number of other products. Thus, we can conclude that plants give us more varieties of food.

LONG ANSWER TYPE QUESTIONS

Q1. With the help of a flow chart show various contributors involved when we eat a chapatti.

Q.2. Make flow charts for the preparation of honey and ghee. Ans. Preparation of honey:

Q. 3. Differentiate between herbivores, carnivores and omnivores. Give two examples of each

Q. 4. (i) Name the different parts of a banana plant that are used as food. (ii) Animal food we get from water resources. (iii) Four fruits which we eat as vegetables. Ans. (i) Flower, fruit and stem of banana. (ii) Fish, prawn, lobustar and crabes. (iii) Fruits of tomato, brinjal, Ladyfinger (bhindi), cucumber (Loki).