Introduction to Class 6 Science Chapter 1 Food Oxford Book Solutions

Class 6 Science Chapter 1 introduces students to the fascinating world of “Food: Where Does It Come From?” This chapter explores the sources of food, the importance of various food items, and the concept of different types of food for living organisms. It also covers topics like plant and animal sources of food, the process of obtaining food, and the role of nutrition in our daily lives.

In this solution guide, we provide detailed and easy-to-understand answers to all the questions in Chapter 1 of the Oxford Science book. Whether you’re preparing for exams or looking to clarify any doubts, these solutions will help reinforce your understanding of the chapter. Each concept is broken down step by step, making learning fun and engaging!

Chapter 1 Food: Where does it come from?| Class 6 Science Chapter 1 Oxford Book Solutions

Exercises

1. Objective type questions.

A. Fill in the blanks with the correct words.

1. Green plants are known as their own food. (producers/consumers) because they prepare

2. The stems of (sugar cane/bamboo) plant is used to make sugar.

3. (Honey/Milk) is collected from beehives and has medicinal value.

4. (Cheese/Butter) is made by churning fresh cream.

5. A……..(scavenger/decomposer) feeds on the flesh of dead animals.

Ans:

  1. Green plants are known as producers because they prepare their own food.
  2. The stems of sugar cane plant are used to make sugar.
  3. Honey is collected from beehives and has medicinal value.
  4. Butter is made by churning fresh cream.
  5. A scavenger feeds on the flesh of dead animals.

B. Choose the correct option.

1. The flowers of which of these plants are eaten as vegetables?

a. Broccoli and cauliflower          b. Banana

c. Cabbage and Ginger                  d. Both a. and b.

Ans:→ a. Broccoli and cauliflower

2. The seeds of this plant are used as spices.

a. Wheat                             b. Cumin

c. Maize                               d. Chickpea

Ans: → b. Cumin

3. Which of these is made if you put a few drops of lemon juice in hot milk?

a. curd                                  b. butter

c. Ghee                                                d. Paneer

Ans: → d. Paneer

4. Which of these do herbivores depend on for their food?

a. Plants                                               b. flesh of other animals

c. Dead plants and animals          d. All of these

→ a. Plants

5. Which of the following animals is a carnivore?

a. Butterfly                         b. Spider

c. Honey Bee                     d. Squirrel

Ans→ b. Spider

6. This food product is obtained from beehives.

a. Honey              c. nectar

b. Eggs                  d. Milk

Ans: → a. Honey

7. Which of these animals swallow their prey whole?

a. Eagle                                 b. Snakes

c. Butterflies                      d. None of them

8. Which of the following birds has a sharp and pointed beak?

a. Eagle                                b. Hawk

c. Crow                 d. None of them

Ans: B. Choose the correct option

II. Very short answer type questions.

A. Give one word for the following.

1. The green pigment present in leaves of green plants………….

2. The process by which plants prepare their own food……………..

3. Products obtained from milk………………

4. The process by which milk gets separated into solid and liquid parts……………

5. Organisms that decompose dead plants and animals………………

Ans:

  1. Chlorophyll
  2. Photosynthesis
  3. Dairy products
  4. Curdling
  5. Decomposers

B. Give two examples for the following.

1. Roots that we eat as vegetables …………..   …………….

2. Stems that we eat as vegetables……………….   ………………

3. Leaves that we eat as vegetables………….  ………………..

4. Seeds that are eaten after sprouting………….  ……………..

5. Animals that give us eggs……………….    ……………………

Ans:

1. Roots that we eat: Carrot, Radish

2. Stems that we eat: Potato, Sugar cane

3. Leaves that we eat: Spinach, Cabbage

4. Sprouted seeds we eat: Moong, Chickpea

5. Animals that give us eggs: Hen, Duck

III. Short Answer Questions

  1. What are the main sources of food?
    → Plants and animals are the main sources of food.
  2. What is sprouting?
    → Sprouting is the process where seeds start to grow tiny roots and shoots when soaked in water.
  3. Why do we need to have calcium-rich foods?
    → Calcium-rich foods help in making our bones and teeth strong.
  4. How do we commonly make curd at home?
    → We add a small amount of curd to warm milk and leave it for a few hours to set.
  5. Define:
    • Herbivores: Animals that eat only plants.
    • Carnivores: Animals that eat only other animals.
    • Omnivores: Animals that eat both plants and animals.

IV. Long Answer Questions

  1. Describe, with examples, how plants are an important source of food.

            Ans: Plants are one of the most important sources of food for both humans and animals.    They provide us with fruits, vegetables, cereals, pulses, and nuts. Different parts of a plant are used as food. For example, we eat the roots of carrots and radishes, the stems of sugar cane and potatoes, the leaves of spinach and cabbage, the flowers of cauliflower and broccoli, and the fruits of mango and banana plants.

Cereals like rice, wheat, and maize are the seeds of plants and are the main food in many countries. Pulses such as moong and gram are also seeds and are rich in proteins. Spices like cumin, coriander, and black pepper are also obtained from plants. These make our food tasty and healthy.

Plants also give us edible oils like mustard oil, coconut oil, and groundnut oil, which are used for cooking. Tea, coffee, and sugar also come from plants. Animals that give us milk, like cows and goats, depend on plants for their food, so indirectly, plants help us get milk and dairy products too.

Thus, plants are very important for our survival as they are the base of the food chain and give us a variety of foods to stay healthy.

  • What are dairy products? With the help of paneer and curd, explain how we get them.
    Dairy products are food items made from the milk of mammals, such as cows, buffaloes, goats, and sheep. They include products like milk, cheese, butter, ghee, curd, and paneer. These products are rich in nutrients like protein, calcium, and vitamins, making them essential for a healthy diet.
  • Paneer and Curd:
  • Curd:
    • Curd is made by fermenting milk with the help of bacterial cultures. When milk is heated and then cooled to a lukewarm temperature, a small amount of curd (previously prepared) is added to it. The bacteria in the curd ferment the lactose in the milk, causing it to thicken and form curd.
  • Paneer:
    • Paneer, also known as Indian cottage cheese, is made by curdling milk with an acidic substance like lemon juice or vinegar. First, milk is heated and then the acid is added to curdle the milk. The solid curds that form are separated from the whey (the liquid part) and then pressed into a block to form paneer.
  • In summary, curd is made through bacterial fermentation, while paneer is made by curdling milk using an acid, followed by pressing. Both are common and nutritious dairy products enjoyed in various cuisines.
  1. Classify animals based on the type of food they eat. Explain each group.
    →
    • Herbivores eat only plants (e.g., cow, deer).
    • Carnivores eat only animals (e.g., lion, tiger).
    • Omnivores eat both plants and animals (e.g., humans, bears).
  2. Write a note on the type of teeth in different animals.

*Herbivores have sharp front teeth for cutting and flat back teeth for chewing.

*Carnivores have pointed teeth for tearing meat.

*Omnivores have both sharp and flat teeth for eating all types of food.

  1. Differentiate between scavengers and decomposers with examples.

*Scavengers eat the flesh of dead animals. Example: vultures, crows.

*Decomposers break down dead plants and animals into simple substances. Example: fungi, bacteria.

FeatureScavengersDecomposers
Definition  Animals that feed on dead and decaying bodies of other animals.  Microorganisms that break down dead plants and animals into simpler substances.
   
  Mode of Action  Eat and tear the dead organisms into pieces.  Break down complex organic matter chemically.
  Type of Organism  Mostly animals (larger in size).  Mostly fungi and bacteria (microscopic).
Example OrganismsVultures, hyenas, jackals, crows.Fungi, bacteria, actinomycetes.
Role in EcosystemHelp in cleaning the environment by removing dead bodies.Help in nutrient recycling by converting dead matter into simple substances.
Visible to Naked EyeYesMostly no (microscopic).

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