• leaves and stems – celery, lettuce, silver beet.
• roots – potatoes, carrots, beetroot, cassava, radish, parsnip.
• seeds – wheat, rice, legumes, ground nuts (peanuts), tree nuts (walnuts, almonds).

We eat plant roots in the form of carrot

Food obtained from stems-  Potato eat

The presence of starch in a given food sample can be determined using iodine solution. Starch is a carbohydrate that produces blue colour when brought in contact with the iodine solution.

Sepals : These are hard, leaf-like structures around the base of a flower.

• They protect the bud before it blooms into a flower.
• These are green in colour in most of the plants.
• The sepals are collectively called as calyx.
• The number of sepals varies from plant to plant.

Petals: These are brightly coloured portions of a flower.

• They petals are collectively called as corolla.
• They are brightly coloured so as to attract insects and birds for pollination.
• The number of petals is almost equal to the number of sepals in a flower.
• In some flowers, the petals and sepals combine to form a round structure called as tepal.

Stamens : The stamens are the male reproductive parts of a flower. Stamen is made up of a filament and anther.

• Anther is a bilobed structure at the tip of the filament.
• Anther contains male reproductive cells, the pollen grains.
• Pollen grains are the male reproductive cells which are very light, that they can be carried away by wind.
• Pollen grain has a thick covering made up of two layers, outer exine and inner intine.

Pistil : The pistil is the female reproductive part of a flower. It is made up of the stigma, the style and the ovary.

• Stigma is a bulged sticky structure at the tip of the pistil. As it is sticky it receives pollen grains from the male reproductive structure.
• Style is a long tube like structure which allows pollen grain to travel from stigma to ovule, the egg cell.

• Ovary is a large lobed structure at the base of the carpel. It contains the female reproductive cells, the ovules. The number and arrangement of ovules differ in different flowering plants. 

Glucose is a form of simple sugars/carbohydrates which are present in the blood of all kinds of animals including Humans. Glucose doses should be maintained in the flood or optimal levels of energy and alertness.
Sportsmen need to be active and maintain high levels of energy,  a simple sugar like Glucose, breaks down easily in the flood providing quick and efficient energy dosage to the sportsman to help them perform well.
For similar reasons, some sports people rely on eating bananas' as they also digest quickly and provide a short natural burst of energy

• A loom is a device for weaving yarn or threads into fabric.
• It is used for making fabrics.
• The loom which is worked by hands is called a handloom whereas a loom which works with electric power is called powerloom.

A unit of measurement is a fixed standard quantity, length, or weight that is used for measuring things.

Non - eatable object

Wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece clothing because the air trapped between the two layers of cloths. This air prevents the flow of the heat from our body to the cold surroundings.

fractional distillation

Cloves are the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum. They are native to the Maluku Islands (or Moluccas) in Indonesia, and are commonly used as a spice.

Water is essential for life. All the living things (plants and animals) need water to live. We need water for drinking, cooking food, washing utensils, cleaning floor, brushing teeth, bathing, washing clothes, flushing toilets and watering plants.

Some of the important uses of water in different fields are as follows:

1) Water is used in homes for drinking, cooking food, washing utensils, cleaning floor, brushing teeth, bathing, washing clothes, flushing toilets and watering plants. These are the domestic uses of water. Water is also used by animals for drinking purposes.

2) Water is used in agriculture for growing food.Water is needed to grow all kinds of crop plants which provide us food. The largest amount of water is used for irrigation of crops in agriculture. Water of ponds, lakes and rivers is used for growing fish (which is used as food by many people)

3) Water is used in industries for producing almost all the things that we use. The making of paper, cloth, medicines, chemicals, bread, biscuits, and many, many other things in industries requires a lot of water.

4) Water is used to keep things cool. For example: water is used in the radiators of vehicles (like cars, buses and trucks) to keep their engines cool.

5) Water in the rivers and the seas is used for transporting passengers and goods from one place to another by boats, sailing boats, motor boats and ships.

6) Water of rivers and the sea helps in the dispersal of seeds of several plants and trees.The seeds of various plants and trees located near the banks of rivers and sea-shores fall on the water of rivers and the sea. These seeds float on water and are carried away to far away places. When these seeds reach the land, they germinate to produce plants and trees in that area.

7) Water is used to generate electricity: At a hydroelectric power plant, water stored in a high dam is allowed to fall gradually from a great height. This fast moving water turns the turbines (water-wheels). The rotating turbines then run the generators which produce electricity. At thermal power plants, water is boiled to make steam (by burning coal, oil or gas). The high pressure steam turns the steam turbines. The rotating steam turbines run the generators which produce electricity.

Burning of a candle is mostly a reversible reaction. This means that is a physical change. However burning of a candle also exhibits some irreversible chemical changes.

Physical/reversible changes:

Melting of the candle wax is a physical/reversible change.

2) Chemical/irreversible change that take place:

The burning of candle wax to form hydrocarbons is a chemical change.

The burning of the candle wick is a chemical/irreversible change.

Fiber is a long, thin strand or thread of material. Fabric is a cloth material made by weaving or knitting threads together.

Fabric is a cloth produced by weaving or knitting textile fibres.

Three ways we can avoid wastage of food are :

• The food that we produce should not get spoilt or eaten away by animals. For this, it should be stored in granaries and silos.
• In daily uses we should use drying and other preservation techniques to avoid the spoilage of food stuffs.
• We should avoid cooking more amount of food than required.

Steps in making cotton yarn

• The raw cotton is loosened and cleaned; to remove straw and dried leaves.
• The cleaned cotton is then fed into a machine. The cotton fibre are combed, straightened and converted into a rope like structure called sliver.
• The sliver of cotton fibre is converted into yarn by spinning using machines.

Nutrients are replenished by certain different microorganism that are found in the soil or also by the death of certain plants such as the rhizobium plant. The decaying plants tend to slowly break down into the basic soil nutrients over a period of time.

alfalfa, clover, peas, beans, lentils, lupins, mesquite, carob, soy, and peanuts. 

To make sprouts of moong dal, they are first soaked in water overnight. Then water is drained out and the beans are wrapped in a wet cloth and hanged up so that they can get air. It takes 36-48 hours for chana and 24-36 hours for moong daal to sprout.

The human body needs food and water to survive. A human can go for more than three weeks without food — Mahatma Gandhi survived 21 days of complete starvation — but water is a different story. At least 60% of the adult body is made of it and every living cell in the body needs it to keep functioning.

A typical food that we eat consists of different ingredients. Each ingredient comes from different sources such as plants and animals. Plants are the food source for vegetables, fruits, seeds, oil, and spices. Animals are the food source for milk, oil, meat, and eggs.

It is so because sea-food is a rich source of Iodine and Goitre is a deficiency disease caused due to lack of Iodine.

Meat, fish and other non veg items do not get from plants .