Chapter 01: Food: Where Does It Come From?

    I. Multiple Choice Questions (MCQs).
    Q.1. Which parts of radish and carrot plants are consumed as food?
    a) Roots
    b) Stems
    c) Fruits
    d) Seeds
    Answer. a) Roots
    Q.2. Which of the following are seeds of the plants that are used as food items?
    a) Potato and celery
    b) Cauliflower and clove
    c) Mango and banana
    d) Wheat and rice
    Answer d) Wheat and rice
    Q.3. Rearing and management of fish on large scale is called
    a) apiculture
    b) pisciculture
    c) sericulture
    d) none of these
    Answer b) pisciculture
    Q.4. Which of the following is grown commercially for sugar production?
    a) Beetroot
    b) Sweet potato
    c) Sugar beet
    d) All of these
    Answer c) Sugar beet
    Q.5. The animals who eat the flesh of other animals are called
    e) Herbivores
    f) carnivores
    g) omnivores
    h) all of these
    Ans(b) carnivores
    II. Fill in the blanks by selecting appropriate words from the given list :
    List: Oil, apiculture, fish, plants, animals, potato

    Q.1. Food items come from _________________ as well as _________________.
    Q.2. Stem of _________________ plant is eaten as food items.
    Q.3. ______________ is obtained from seeds of mustard, peanuts, sunflower, etc.
    Q.4. A large number of people, especially living in coastal regions fully depend on ___________ as their main food source.
    Q.5. The rearing and management of honeybees at large scale is called _________________.

    Answer Q.1. plants, animals
    Q.2. potato
    Q.3. Oil
    Q.4. fish
    Q.5. apiculture

    III. Match the items of Column A with those of Column B.

     

    Answer: 1-e, 2-a, 3-d, 4-b, 5-c

    IV. Write ‘T’ for the true and ‘F’ for the false statements.
    Q.1. Food is one of the basic necessities of life.
    Q.2. Ginger, turmeric and potato tuber are the roots of the plants.
    Q.3. Sprouted seeds of some pulses are rich sources of energy.
    Q.4. Food cannot be obtained from insects.
    Q.5. Parasites are small animals who live on the body of other living animals and
    plants and obtain their food.

    Ans 1-T, 2-F, 3-T, 3-F,4-T

    V. Very Short Answer Questions.
    Q.1. Why does our body need food?
    Answer: Our body need food because it provides us energy, helps in the growth
    and replacement of worn-out cells of the body and protect them from diseases.

    Q.2. Name three items of food which we get from roots of the plants.
    Answer: Beetroot Sweet potato and Radish.

    Q.3. What is marine food?
    Answer: Foods like Fish, prawns, shrimps and crabs which are available at the coastal area are known as marine food.

    Q.4. Name the types of animals based on their feeding habits.
    Answer: Based on their feeding habits, animals are divided into three
    groups:
    (a) Herbivores,
    (b) Carnivores, and
    (c) Omnivores.

    Q.5. What are consumers?
    Answer: Animals depend on plants for their food, known as consumers.

    VI. Short Answer Questions.
    Q.1. Name three plants whose leaves are eaten as vegetables. What kinds of nutrients are found in them?
    Answer: Three plants whose leaves are eaten
    i. Cabbage
    ii. Spinach and
    iii. Lettuce
    These leaves are rich in minerals and vitamins.
    Q.2. How can you say food can be obtained from insects? Explain with an example.
    Answer: Food can be obtained even from insects. Honeybee is an example of such insects which collects nectar from the flower and converts it into honey. Honey is used as food, as medicine and for nourishment. So we can say that food can be obtained from insect.

    Q.3. Describe basic necessities which keep you in good health.
    Answer: To maintain good health we should do the following jobs :
    (a) Eat a proper and balanced diet.
    (b) Eat at regular intervals of time.
    (c) Exercise regularly.
    (d) Rest adequately.
    (e) Keep ourselves mentally alert but stress-free.
    Q.4. Why can sprouted seeds be used as a food items? Explain with examples.
    Answer: Sprouted seeds are rich sources of protein and roughage. So, sprouted seeds can be used as food items. For example sprouted chana and sprouted moong can be used as food items.

    Q.5. What do you mean by scavengers? How do they help to keep the environment clean?
    Answer: Some carnivores and omnivores are known as scavengers. Examples: Crow, jackal, vulture, etc. Scavengers mainly consume decaying bodies of animals and help to keep the environment clean.

    VII. Long Answer Questions.

    Q.1. Describe functions of food in our body.
    Answer: Food performs four basic functions in our body.

    (a) It provides energy needed for various activities to be performed by us.
    (b) It is needed to grow and repair the worn out cells.
    (c) It controls various body functions.
    (d) It is required for protecting the body from various diseases and for keeping it fit and healthy.

    Q.2. Discuss three parts of the plants which are used as food items. Give proper examples also.
    Answer: Different parts of plants are consumed as food. These are —
    (a) Roots : Beetroot, sweet potato, radish and carrot are roots, which we use as our food items.
    (b) Stems : Stems of some plants are eaten as food items. Asparagus stalks, celery, potato, etc., are examples of such stems which are used as food.
    (c) Leaves : The leaves of some plants are eaten as vegetables. The leafy vegetables such as spinach, fenugreek (methi), lettuce, cabbage, spring onion, etc., are rich in minerals and vitamins.

    Q.3. Explain three main animal products which are used as food items. Give examples also.
    i. Milk : Cows and buffaloes come at the top of the list of milk yielding animals. Goat, camel, etc., are also domesticated for the same purpose. Buffalo’s milk is generally used for producing various milk products.
    ii. Meat : Meat of animals such as goat, chicken and fish is eaten by human beings.
    iii. Eggs : The poultry birds provide both meat as well as eggs. Hen, duck, turkey, etc., are some poultry birds.

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