Class 6 Science Chapter 1 Important Questions

Class 6 Science Chapter 1 Important Questions of Food: Where does it come from? Class 6 Science Chapter 1 Extra Questions contain the Keywords of the chapter, frequently asked questions in schools and revision questions for Chapter 1 of Class 6 Science for session 2020-21.

After doing NCERT Books properly, these questions provide a good practice to clear the concepts of 6th Science Chapter 1. This sections also covers the intext questions and exercises questions for more discussion.

Class 6 Science Chapter 1 Important Questions 2020-21

Class:6
Subject:Science
Contents:Important Questions

Class 6 Science Chapter 1 Extra Questions 2020-21

Class 6 Science Chapter 1 Important Extra Questions with answers are given below to prepare for the school test or final exams. These set of important questions covers the NCERT Books and includes other important questions asked in different schools. Download Offline Apps of solutions to use it without internet.

6th Science Chapter 1 Important Questions Set – 1

Why is food essential for living organisms? Name some variety of food items we eat.

Food is essential for living organisms because it provides energy to carry out various life functions. It helps in the growth and repair of cells. It protects the body from various diseases and keep the body fit. Generally, we eat rice, chapati, dal, vegetables, paneer, egg, milk, ghee etc.

Write down any four food items which is made with many ingredients.

The four food items are dal, chicken curry, idli and kheer.
Dal contains many ingredients. Such as pulses, water, salt, oil/ghee and spices.
Chicken curry contains many ingredients. Such as chicken, spices, oil and water.
Idli is made with rice, urad dal, salt and water.
Kheer is made with milk, rice and sugar.

What do you mean by sources of food?

Food is essential for all living organisms. Food contains many ingredients which are required by our body for growth and development. Generally, as an omnivore, we have two sources of food to eat. Such as Plant sources and Animal sources.

Write down some plants and animals source of food?

There are food items like paddy, wheat, vegetables, pulses, fruits and such others, which come from plant sources. And some food items like milk, eggs, meat, chicken, fish, prawns, beef, pork and such others, which come from animal sources.

Ingredients

The substance from which the food is made are called ingredients. If we cooked rice at home. We take raw rice and boil it in water. Just two materials or ingredients are needed to prepare a dish of boiled rice. To prepare vegetable curry, we need different kinds of vegetables, salt, spices, oil and so on.

6th Science Chapter 1 Important Questions Set – 2

Can you name some animals which give us milk?

Cows, goats and buffaloes are some common animals which give us milk.

How many parts can you see in any plants?

Generally, we can see flower, fruits, stem, leaf, bud and roots. Roots which acts as an anchor of a plant in the soil.

Write two plants name which have two or more edible parts.

Banana and pumpkin plant has two or more edible parts. Their flowers and fruits are eaten as food.

Define the term FOOD, EDIBLE and NECTAR.

Food: Food is a nutritious diet that organisms consume or absorb to maintain their various functions of life and development.
Edible: Such substances, which we can accept as food, which do no harm in our body, are called edible substances.
Nectar: A sugary juices secreted within flowers to encourage pollination by insects and collected by bees to make into honey.

Seeds and Sprouted Seeds

Seeds: A seed is the part of a plant which can grow into a new plant. It is a reproductive structure and having the power of germination. A seed is enclosed by a hard covering called the seed coat.
Sprouted seeds: When a seed starts growing after a certain time, we call that stage of germination. That is known as sprouted seeds.
Sprouts start as dry beans or seeds. Sprouts are seeds that have germinated and become very young plants. This germination process usually begins with the seeds being soaked water for several hours. The soaked seeds are then exposed to the right combination of temperature and moisture and once wet, they draw on their stored nutrients and begin to grow in 2 to 7 days.

6th Science Chapter 1 Important Questions Set – 3
What are the ingredients required for the making of brinjal curry?

For making brinjal curry we need brinjal, chilli, oil, spices and salt as an ingredient.

Do you know, how does honey produce? Discuss.

Bees collect nectar (sweet juices) from flowers, convert it into honey and store it in their hive. Flowers and their nectar may be available only for a part of the year. So, bees store this nectar for their use all through the year. When we find such a beehive, we collect the food stored by the bees as honey.

Name some food items which are made by milk.

Products like butter, ghee, cream, cheese, curd and so others items are made by milk.

Write down some domestic animal names with the food taken by them.

There are some of the domestic animals along with the food they eat:
Cow eats grass, chapati, oil cake, vegetables etc.
Buffalo eats grass, grains, hay, husk etc.
Dog eats biscuit, fish, meat etc.
Cat eats milk, fish etc.

Obtaining Sprouted Seeds

Take some dry seeds of moong or chana. Put a small quantity of seeds in a container filled with water and leave this aside for a day. Next day, drain the water completely and leave the seeds in the vessel. Wrap them with a piece of wet cloth and set aside. The following day, you observe that a small white structure may have grown out of the seeds. If so, the seeds have sprouted. If not, wash the seeds in water, drain the water and leave them aside for another day, covered with a wet cloth. The next day, the seeds would be sprouted.

6th Science Chapter 1 Important Questions Set – 4
What do you mean by Herbivorous, Carnivorous and Omnivorous? Give example.

Herbivores- Animals that eat only plants is called Herbivore. Example- Cow, Deer etc.
Carnivores- Animals that eat only other animals is called Carnivores. Example- Lion, Tiger etc.
Omnivores- Animals that eat both plants and animals is called Omnivores. Example- Bear, Human beings etc.

Is eating excess of food correct? Give reason to support your answer.

No, because it can create food poisoning. As we know that food has many nutrients which are required by our body for growth and development. But we take the food as per our need. And excess food is not accepted by our stomach and is vomited out. Although, excess food can harm our body as it is not digested easily.

Wild animal like tiger, wolf, lion and leopard do not eat plants. Does this mean that they can survive without plants? Can you provide a suitable explanation?

Animals like tiger, wolf, lion and leopard are carnivorous and do not eat plants. They hunt and eat herbivorous animals like deer, zebra, giraffe etc., which are dependent on plants for food.
If there are no plants, herbivorous animals will not be able to survive as they will have no food and would die of starvation. This will ultimately affect animals like tiger, wolf, lion and leopard that depend on herbivorous animals for food.
They will have nothing to eat and thus would not survive for this, it can be concluded that all heterotrophs directly or indirectly depend on plants for food and cannot survive without plants.

Does everyone around you get enough food to eat?

No, we know that there are many people amongst us, who do not get sufficient food because of the following reasons:
i) Lack of food
ii) Poverty
iii) Poor people cannot afford to buy enough food for themselves
We need to find ways by which more food can be grown in the country. That will not be enough; we will need to find ways to ensure that this food is made easily available to each and every one of us.

Humans as an Omnivores

The human beings are classified as omnivores. Omnivores are organisms that feed on different types of food of plant and animal origin. Humans consume different varieties of plant and animal food products and are hence considered as omnivores.

6th Science Chapter 1 Important Questions Set – 5
Do you find that all living beings need the same kind of food?

No. Different animals eat different kinds of food as per their body structure and internal organs. Depending on kind of food they eat, animals are divided into three basic categories:
Herbivores: Animals which feed on plants and plant products are called herbivores. Example: cow, goat, elephant, deer etc.
Carnivores: Animals which feed on other animals are called carnivores. Examples: lion, tiger, fox etc.
Omnivores: Animals which feed on both plants and animals are called omnivores. Examples: crow, cat, dog, etc.

Name five plants and their parts that we eat.

Plants Edible parts of plant
Radish Root
Spinach Leaf
Rice Seed
Brinjal Fruit
Potato Stem

Why do organisms need food? Write three reasons.

Food is needed by organisms for the following reasons:
i) Foods contains various nutrients which are required by our body for growth and development.
ii) Food provides us energy to perform various functions of life.
iii) Food helps to protect the body against various diseases and infections.

Name two ingredients in our food that are not obtained from plants or animals. Mention one sources for each ingredient.

The two ingredients in our food that are not obtained from plants or animals are:
i) Salt: It is obtained from seawater and rocks.
ii) Water: It is obtained from river, tap, pond, lake and rain etc.

The Boiled Seeds Fail to Sprout

The boiled seeds failed to sprout because boiling denatures of damages certain enzymes or proteins that are required for germination. Thus, boiling kills the seeds.

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