Study Notes - Where Does it Come From? Class 6 Notes | EduRev

Science Class 6

Created by: Praveen Kumar

Class 6 : Study Notes - Where Does it Come From? Class 6 Notes | EduRev

The document Study Notes - Where Does it Come From? Class 6 Notes | EduRev is a part of the Class 6 Course Science Class 6.
All you need of Class 6 at this link: Class 6

FOOD
All living things need energy to do work and for growth and repair. They get this energy from the food. Our body uses this energy for doing work.
1. Food Variety
We eat different varieties of food like rice, bread, vegetables, eggs, butter, sweets, cheese etc.

2. Ingredients of Food
Materials needed to prepare any food item are called ingredients. Two or more than two ingredients are needed to prepare a dish.
Example:
(i) To prepare boiled rice, rice and water are used, so rice and water are the ingredients for boiled rice.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Rice.(ii) Atta (flour) and water are the two ingredients required to make a chapatti.
Study Notes - Where Does it Come From? Class 6 Notes | EduRev(iii) Vegetables, salt, water and spices are used in cooking vegetable curry, so vegetables, salt, water and spices are ingredients of vegetable curry.


SOURCE OF FOOD MATERIALS
Plants and animals are the main sources of food.

Study Notes - Where Does it Come From? Class 6 Notes | EduRev

1. Food from Plant Source: Rice, wheat, vegetables, fruits, etc. are obtained from plant sources. We get these ingredients from certain parts of different plants.

Some examples of edible plant parts are shown in the image above and their examples are given below:

Study Notes - Where Does it Come From? Class 6 Notes | EduRev

(i) Root: We eat root of radish, carrot, turnip, potato, sweet potato, beet, etc.

(ii) StemIn certain plants the stem grows underground and store the food. Ginger, potato, and onion are stems of plants in which food is stored. So, we eat stem of ginger, potato, onion, etc.

(iii) Leaf: Spinach, Lettuce, Trigonella, etc. We eat leaves of these plants.

(iv) Fruits: Orange, grapes, kiwi, apple etc. We eat fruits of these plants.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Fruits(v) Oil Seeds: Seeds of many plants are used to extract oil. 
Example: Mustard oil is extracted from seeds of mustard plant. Similarly sunflower oil, coconut oil, groundnut oil, soyabean oil, etc. are obtained from seeds of respective plants.

(vi) Sugar: We get sugar from sugarcane and beetroot.
(vii) Tea & Coffee: They are common beverages. Tea is obtained from leaves, while coffee is obtained from seeds. 

(viii) Spices: They have no food value and are used for adding flavor to food. The major spices are pepper, cardamom, ginger, turmeric. Other spices are cloves, saffron, fennel, cumin, coriander, asafoetida, and fenugreek.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Spices

2. Foods from Animal Source: We get milk, eggs, meat, honey, fish, etc. from animals. Buffaloes and cow give milk. Hen and duck give eggs. We get meat from goat, chicken, hen etc. Eggs and meat are rich in protein. Fish is the major part of food for people living in the coastal regions.

(i) Honey: Honeybee produces honey from nectar of flowers. It is rich in sugars, minerals and enzymes.

(ii) AutotrophsPlants make their food themselves by the process of photosynthesis so they are called autotrophs.Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Autotrophs(iii) Heterotrophs: Animals; including humans; do not make their food. They eat foods prepared by plants.
Heterotrophs are divided into following types on the basis of their food habit.

(a) Herbivores: Animals which eat only grass and plant products are called herbivores. Cow, Elephant, Camel, Deer, Goat, etc. are examples of herbivores.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Cow(b) Carnivores: Animals which eat flesh of other animals are called carnivores. Lion, jackal, frog, tiger, lizard, snake, etc. are examples of carnivores.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Lion(c) Omnivores: Animals which eat both plants and meat are called omnivores. Crow, monkey, bear, human, sparrow, etc. are examples of omnivores.

Study Notes - Where Does it Come From? Class 6 Notes | EduRevFig: Bear(d) ScavengersSome animals which eat flesh of dead animals are called scavengers.

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