Question:
Explain the importance of food for living organisms.
Answer:
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.
Food: Where Does It Come From?
Q 1.
Do you find that all living beings need the same kind of food?
Q 2.
Study the ingredients of various food items. Do they have some common food ingredients?
Q 3.
Fill up the blanks with the words given:
herbivore, plant, milk, sugarcane, 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___________ .
Q 4.
What are carnivores? Explain with examples.
Q 6.
Give two examples where two or more parts of a single plant are used as food.
Q 7.
What do you call the habit of an individual to eat a particular type of food items commonly?
Q 8.
Explain the importance of food for living organisms.
Q 9.
Why should we eat cooked food?
Q 10.
Match the items given in column A with those in column B.
Q 11.
Which part of the plants do we eat generally?
Q 12.
Which type of seeds give more energy, sprouted seeds or normal seeds?
Q 13.
What are the two common sources of most of the ingredients of food items?
Q 14.
Name five plants and their parts that we eat.
Q 15.
Name the three products each provided by plants and animals.
Q 16.
Define the term herbivores.
Q 17.
Suggest any three ways you can think of to avoid wastage of food.
Q 18.
(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.
Q 19.
Explain the various sources of food items and ingredients with the help of examples.
Q 20.
Define the term omnivores.
Q 21.
Name any one plant that grows in water and is eaten as food.
Q 22.
With the help of a flow chart show various contributors involved when we eat a chapatti.
Q 23.
Where would you place human beings on the basis of food that they eat?
Q 25.
What items are used to prepare cooked rice?
Q 26.
Name three edible (eatable) parts of plants.
Q 27.
Name a non-green plant that we eat.
Q 28.
Name two sugar producing plants.
Q 29.
Compare your food habits with food habits of your friend who lives in Tamil Nadu.
Q 30.
Differentiate between herbivores, carnivores and omnivores. Give two examples of each
Q 31.
Make flow charts for the preparation of honey and ghee.
