Food : Where does it Come from ?

                                                                           POINTS TO REMEMBER

1. All living beings need food.

2. Food is needed by all living beings for four main purposes :
  • for their growth.
  • provide energy for doing work.
  • for replacement and repairing of their damaged parts by some living beings.
  • it gives resistance protection against diseases from infections.
3. If a person does not get food s/he feels weak and is likely to fall ill.

4. Different people have different choice of food.

5. There is a range of variation of food items eaten over various states of India.

6. Different organisms eat different kinds of food.

7. Animals that eat plants and plant products like fruits, flowers, seeds, nectar etc. are called herbivores.

8. Animal that eat other animals are called carnivores.

9. Animals which eat both plants and their products as well as other animals are called omnivores.

10. Human beings are omnivores.

11. Our food comes from different sources.

12. We get food from plants as well as animals.

13. We eat animals (as meat) as well as their different products like milk, eggs and   honey.  

14. Cooked food is easily digested and absorbed by our body. It also kills the harmful germs.

15. We should have sprouted seeds every day. Sprouted seeds are rich in nutrients.

16. Ingredients : Materials needed to prepare a dish or a food item are called its ingredients.

17. Edible parts : Those parts (of a plant) which are eatable are called edible parts.

18. Nectar :
Sweet juices found in flowers is known as nectar.

19. Domesticated animals are classified as meat yielding, milk yielding and draught animals.


Q. 1. Do you find that all living beings need the same kind of food ?

All living beings do not need the same king of food. We know that different organisms eat different kinds of food. This is because of the differences in their structures, requirements, habitats etc.

Q.2. Name five plants and their parts that we eat.


Name of the plantEdible part

1. Lotus


2. Water nut (Singhara)

3. Gram


4. Radish

5. Mustard


  1. Seeds (makhana)
  2. Stem (vegetables)
  1. Fruit

  1. Seeds (pulse)
  2. Leaves (vegetables)
  1. Roots (vegetables)
  2. Leaves (vegetables)
  1. Seeds (oil, spices)
  2. Leaves (vegetables)
Q.3. Match the items given in Column A with that in Column B.
Column AColumn B
Milk, curd, paneer, gheeeat other animals
Spinach, cauliflower, carroteat plants and plant products
Lions and tigersare vegetables
Herbivoresare all animal products
Column AColumn B
Milk, curd, paneer, gheeare all animal products
Spinach, cauliflower, carrotare vegetables
Lions and tigerseat other animals
Herbivoreseat plants and plant products
Q.4. Fill up the blanks with the word given :
        Herbivore, plant, milk, sugarcane, carnivore
  1. Tiger is a …………… because it eats only meat.
  2. Deer eat only plant products and so, is called ………….. .
  3. Parrot eat only …………… products.
  4. The …………… that we drink, which comes from cows, buffaloes and goats is an animal product.
  5. We get sugar from …………… .
Ans. (a) carnivore                   (b) herbivore                  (c) plant
    (d)milk                            (e) sugarcane.

Q.1. Does everyone around you get enough food to eat ? If not, why ?

No, everyone, around us does not get enough food to eat. In our country a large population is living below poverty line (BPL). Food is either not available to them or they do not have enough money to buy. There are a large number of people suffering from diseases due to the lack of proper food.

Q.2. What are the ways we can think of to avoid wastage of food ?

Three ways by which we can avoid wastage of food are :
  1. The food that we cook should not get spoilt or eaten away by animals. For this, it should be stored in granaries and silos.
  2. We should use drying and other preservation techniques to avoid the spoilage of food stuffs.
  3. We should avoid cooking more amount of food than required.

                                                                  ADDITIONAL IMPORTANT QUESTIONS

Q.1. Name animals which provide us milk.

Ans. Some important animals that give us milk are cow, buffalo, goat and camel.

Q.2. Name animals which give us meat.

Some important meat giving animals are goat, sheep and pig.

Q.3. Write the food habits of the people in Tamilnadu and Punjab.

Ans. Punjab :
Butter Milk , Paratha, Pulses, Chapatis, etc.
         Tamilnadu : Idli, Dosa, Sambhar, Banana Chips, Coconut Oil, etc.

Q.4. Why should we take cooked food ?

Cooked food is easily digested by our body. It also kills harmful germs. Cooking increases the taste also. This is why we should prefer cooked food.

Q.5. Whether plants or animals give us more varieties of food ? Explain.

We know that from animals we get meat, eggs, milk, honey and few other varieties of food only. On the other hand, plants provide us a large varieties of foods for examples, cereals, pulses, fruits, oil, fat, vegetables, sugar and a large number of other products. Thus we can conclude that plants give us more varieties of food.

Q.6. (a) Which part of the plant we eat generally ?

        (b) Write down the names of some more edible parts of the plants.

(a) Generally we eat fruits of many plants.
         (b)Besides fruits we also eat flowers, leaves, roots, rhizomes and stems of some plants. Various edible parts of plants with some examples are listed below :
Edible parts of plantExamples


Beet, Carrot, Sweet potato, Radish, etc.
StemOnion, Potato, Ginger, Sugarcane, etc.
LeavesSpinach, Soya-methi, Bathua, etc.
SeedsMustard, Sweet Pea, Lotus, Groundnut
FruitsBanana, Mango, Apple, etc.
Q.7. Name some plants which have two or more edible parts.

Examples of plants having two edible parts, and the food obtained are given below
Name of plantFirst edible partSecond edible part
PartFood TypePartFood Type
SeedsSpices, oilLeavesVegetables
SeedsDry fruitStemVegetables
Drum stick

Q.8. Explain the importance of food for living beings.

Food is needed by all living beings for four main purposes :
  1. An important function of the food is to help the living organisms  to grow. If enough food is not taken, or if it is not of the right kind, growth will not be sufficient or healthy.
  2. The second important function of the food is to provide energy. We need energy for movements such as running, walking or raising our arm.
  3. Food is also needed by some living beings for the replacement and repairing of their damaged parts.
  4. Food gives us resistance against diseases and protects us from infections.
Q.9. Explain the terms :

(a) Herbivores (b) Carnivores (c) Omnivores.

Ans. (a) Herbivores :
Animals which eat only the plants or the plants’ products like fruits, flowers, seeds, nectar etc. are called herbivores. For example, deer, cow, rat, etc.

(b)Carnivores :
Animals which eat other animals are called carnivores. For example, tiger, lion, etc.

(c)Omnivores :
Animals which eat both plants and their products as well as other animals are called omnivores. For example, human beings, cat, crow etc.

Q.10. What do you know about vegetation and non-vegetarian habits ?

Man is omnivorous, i.e., it can feed both plants and animals. But due to some religious and/or traditional reason some people strictly avoid the food containing meat, fish, egg, etc., while some have no hesitation to have such food stuffs. On this basis there are two types of food habits are found in our society :
  1. Vegetarian – people who do not take meat, fish, egg, etc.
  2. Non-vegetarian – people who take the above food stuffs.
Q.11. One day you were busy from morning to evening. You couldn’t have your lunch. How did you feel? Elaborate your experience.

One day because of heavy load of work during the day, I could not have my lunch and at the end of the day, I felt very tired, exhausted. I was too weak to do work. The hunger was in alarming condition.

Q.12. Suppose one of your friends had only one chapatti, some rice and one bowl of pulses for her/his daily meal. Do you think that by eating such meal he can work and play whole day?

No, his diet is not complete. This food is not enough to provide sufficient energy required for him. He will not be able to work and play for the whole day because he will soon get tired due to lack of energy.

Q.13. Do you know from where honey come ? How is it produced and collected?

We get honey from honey bees.
Production of honey : In forests on tall trees and tall buildings honey bees develop their nests called hives. Bee workers collect nectar from flowers and store in container. The honey bees are also reared in artificial hives.
Extraction of honey : Honey from bee hives is either extracted manually or with the help of an artificial extractor.

Q.14. Define the term food.

Eatables taken by human beings/animals which provide them energy for various activities, for growth and good health are called food.

Q.15. What do you mean by food habit ?

The habit of an individual owing to which it takes a particular type of food depending on it’s taste and availability of the raw material is called food habit.

Q.16. Name some other animals that give us food.

Besides milk and meat animals give us useful food products. For examples :
  1. Birds like chicken, fowl and ducks – give us eggs and meat.
  2. Fish provide us meat.
  3. Bees provide us honey.
Q.17. Write the name of the plants that provide us :
          (a) Vegetables
          (b) Fruits
          (c) Cereals of grains
          (d) Pulses
          (e) Oil or fat

Plants, giving various food types are given below :
  1. Vegetables : Tomato, cabbage, spinach, potato etc.
  2. Fruits :Banana, grapes, apples, etc.
  3. Cereals or Grains :Rice, wheat, barley, ragi etc.
  4. Pulses :Gram, pea, beans, etc.
  5. Oil or fat :Mustard, groundnut, sunflower etc.
Q.18. We know that every item that we eat contributed by a number of persons. Show various contributors involved when we eat a chapatti. (through a flow chart).


Q.19. Make flow charts for the preparation of

(a) ghee (b) honey.
Ans. (a)



Q.1. Match the following items given in Column A with that in Column B.

Column A
Column B
Fruit Juice
Human Fecal
Female Mosquito
Human Blood
Human Infant
Both Plants and animals
Male Mosquito
Mother's Milk

Q.2. Fill in the blanks with appropriate words :
  1.     We feel …………. when we have no food for some time.
  2.      …………. living beings need food.
  3.     Children need food for ………….. .
  4.      If food is not given for long, most of the known living beings will ………….. .
  5.      We get …………. After eating food.
  6.      Different organisms eat ………… kinds of food.
  7. Mustard ………… are used as spices and oil.
  8. We get food from ………… as well as animals.
  9.       We use …………. energy when we run than when we walk.
  10.       We use ………….. energy when we sleep.
  11.       Each of us should make sure not to ………….. food.
  12.  Human beings are …………. .
Q.3. State whether the statements given below are True or False :
  1.       Different people have different choices of food.
  2.      If a person does not get food he feels weak and likely to fall ill.
  3.      Human beings, animals, birds, insects, etc. eat the same type of food.
  4.  There is no effect on our ability to do work even if we do not eat food for a  day.
  5.      Lion is omnivorous.
  6.      Plants give us more varieties of food than animals.
  7. Cooked food can be easily consumed and absorbed by our body.
  8. There is a range of food items eaten over various states of India.
  9.  For every item that we eat there are a number of persons who have contributed.
  10.       Leaves absorb sunlight and prepare food using chlorophyll.
Q.4. Choose the correct option in the following questions :

         1.  Which parts of a mustard plane is edible?
                 (a) Seeds and flowers                        (b) Leaves and flowers
                 (c) Seeds and leaves                         (d) Stems and roots

         2.      Honey bees are often seen sitting on flowers. Why do they do so?      
                  (a) They like flowers                               (b) They lay eggs on flowers
                  (c) They suck nectar from flowers     (d) All of these

        3. Which one is the best for health?
                  (a) Boiled seeds                                    (b) Roasted seeds
                  (c) Wet swollen seeds                         (d) Sprouted seeds

         4. Which one of the following set comprises only herbivorous animals?

                  (a) Cow, goat, rabbit, deer                   (b) Cow, goat, rabbit, wolf
                  (c) Wolf, goat, rabbit, deer                   (d) Cow, crow, crane, camel

       5. Animals which eat both plants and flesh of other animals are called
                  (a) herbivores                                        (b) carnivores
                  (c) omnivores                                        (d) sanguivorous

       6.    Human beings are
                  (a) herbivores                                        (b) carnivores
                  (c) omnivores                                        (d) decomposers

      7. Which one of the following sets is not correct ?
                  (a) Cow, rabbit, deer, goat                   (b) Tiger, lion, wolf, panther
                  (c) Bear, crow, cat                                 (d) Rabbit, deer, cat, wolf

       8. Which one is not a food for a squirrel ?
                  (a) Grains                                               (b) Small insects
                  (c) Fruits                                                 (d) All of these

    9. Rearing and management of fishes in large scale is called
                  (a) Agriculture                                       (b) Apiculture
                  (c) Pisciculture                                      (d) Horticulture

     10. Which of the following is a root vegetable
                  (a) Potato                                               (b) Carrot
                  (c) Cucumber                                        (d) Onion

Q.1. Match the items under Column A with Column B.
Column AColumn B
Bosth Animals and plants
Female Mosquito
Human Blood
Human Infant
Mother's milk
Male Mosquito
Fruit Juice
Human Fecal

Q.2. Fill in the blanks :
          (i)weak                (ii)All                      (iii)growth            (iv)die
          (v)energy            (vi)different             (vii)seeds            (viii)plants
          (ix)more              (x)less                    (xi)waste             (xii)omnivorous
Q.3. True/False :
          (i)True                 (ii)True                   (iii)False              (iv)False
          (v)False              (vi)True                   (vii)True              (viii)True
          (ix)True               (x)True
Q.4. Choose the correct option :
  1. (c) Seeds of mustard are used for oil and spices while leaves are used as vegetables.
  2.      (c) Bees collect nectar from flowers and convert it into honey.
  3.      (d) Sprouted seeds are best for health.
  4.      (a) Wolf and crow are not herbivores.
  5.      (c) Animals which eat both plant and flesh.
  6.      (c) Human beings eat herbs as well as meat and eggs.
  7. (d) All other sets have only one type of animals.
  8. (b) Squirrel is a herbivorous animals.
  9.       (c) Rearing and management of fish is called pisciculture.
  10.       (b) Carrot is a root.