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Published on: 23/09/2019
Food: Where does it Come from?
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Questions + Answers key
Take MCQ Science Test
1.
What are sprouted seeds? How are they eaten?
2.
(i) Identify and write the names of plants that provide us with
(a) fruits
(b) cereals/grains
(c) pulses
(d) vegetables
(e) oil or fat
(ii) Is oil/fat possible to derive from animal sources? If yes, give an example.
3.
Why do organisms need food? Write two reasons.
4.
Connect the animal with the food it eats by an arrow using different colours in Fig. One is done for you.
5.
Read the names of animals written in the inner ring of Fig. Within the second ring write the types of food they eat and the category to which they belong (based on the eating habit) in the outer most ring. One example has been worked out for you. Use red, green and blue colours for writing.
6.
Ashu is visiting a slum area as a part of his homework assignment. He reaches the place and observe that people are very poor and their living conditions are bad. He asks questions to residents and realises that due to drought there is no food available to them and that people are hungry and children are under nourished. Ashu promises them that he will try to help and next day bring food and other amenities along with his freinds.
(a) Do you think food is responsible for some of consequences faced by villagers?
(b) Why do all living organisms require food?
(c) Name the condition which arises due to lack of food or undernourishment.
(d) What values can you observe in Ashu?
7.
Rajni went to Chennai to visit her friend. She noticed that the climate was very hot and the food available was so different than at home. Coconut is used extensively and rice is included in all meals. Her friend's mother explained these differences to Rajni.
(a) What changes were observed by Rajni in regard with food habits?
(b) Food habits of all places are different. What do you understand by food habits?
(c) List one dish commonly made in South India. Identify its ingredients, and separate plant and animal derived ingredients.
(d) Do you observe any values in Rajni? Name them.
8.
(a) On which process sprouting is based on?
(b) List benefits of sprouting.
1.
Sprouted seeds are the seeds with seedlings. Seeds are first soaked in water for one day. The water is drained and the seeds are kept wrapped in a wet cloth and left for one more day. After sprouting, they can be eaten raw. They can also be boiled. They can also be made into a tasty snack by adding spices to them.
2.
(i) (a) Fruits-Banana, grape, pear.
(b) Cereals/Grains- Rice, maize, ragi.
(c) Pulses- Gram, peas, beans.
(d) Vegetables- Carrot, capsicum, ginger.
(e) Oil or fat-Mustard, groundnut and sunflower.
(ii) Yes, oil can be derived from animal sources, e.g. cod liver oil derived from fish.
3.
Food is needed by organisms for the following reasons
(i) Food provides us energy to perform various functions of body to sustain life.
(ii) Food helps us to protect the body against various diseases and infections.
4.
5.
6.
(a) Yes, without food there is no energy in people and their body cannot fight against infections.
(b) Food is required because it gives us energy to carry out all life processes.
It helps in growth and maintenance of body.
(c) Malnutrition.
(d) Ashu is sincere, caring and a helpful boy. He is eager to provide his support and encourages his friends in helping him to help villagers.
7.
(a) Food habits of people in Chennai were different as they used coconut oil for cooking and coconut is extensively used in preparing other dishes. Rice was part of every meal, they consume less or no chapatis.
(b) Food habits refer to particular interest towards certain types of food. It is commonly influenced by location, climate and availability.
(c) Sambhar dal is very common. Its main ingredients are dal, condiments, vegetables and oil. All of these ingredients are plant products.
(d) Rajni is friendly, observant and knowledge seeking girl. She is aware of her surroundings which is very important.
8.
(a) Sprouting is based on germination process.
(b) (i) Sprouts contain more vitamins and higher protein content.
(ii) They form easy and nutritious snacks.
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