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To study the presence of Insecticides and Pesticides in Various Fruits and Vegetables?
Wiki User
∙ 13y ago
eat the fruits or vegetables ,if you fall ill then we can say whether the fruits are infected by insectisides and pestisides
Wiki User
∙ 13y ago
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Is insecticides a real word?
Yes. It is the plural of insecticide, as in, "There are various insecticides from which to choose."
What are some consumer concerns about fruits and vegetables?
Various consumer and environmental groups claimed that too many pesticides, fungicides, and other chemicals were used on crops.
What are the various brands of insecticides that are available in the local market?
There are a vast number of insecticides available in liquid, spray, and granular form. Some of the leading brands are Orthene, Ortho, Bayer, and Spectrum.
How do you study the presence of insecticides and pesticides in fruits and vegetables?
Take different types of fruits and vegetables and cut them into small pieces separately. Transfer the cut pieces of various fruits and vegetables into mortal separately and crush them with the pestle. Take different kinds for each kind of fruits and vegetables and place the crushed fruits and vegetables in these beakers and add 100 ml of alcohol to each of these . Stir well and filter. Collect the filtrate in separate china dishes, Evaporate the alcohol by heating the china dishes one by one over a water bath and let the residue dry in the oven . Heat a small piece of sodium in a fusion tube , till it melts. Then add one of the above residues from the china dish to this fusion tube and heat it till red hot. Drop the hot fusion tube in a china dish containing about 10 ml of distilled water. Break the tube and boil the contents of the china dish for about 5 minutes . Cool and filter the solution. Collect the filtrate . To the filtrate add 1 ml of freshly prepared ferrous sulphate solution and warm the contents. Then add 2-3 drops of ferric chloride solution and acidify with dilute HCl. If a blue or green ppt. or colouration is obtained it indicates the presence of nitrogen containing insecticides. Repeat the test of nitrogen for residues obtained from other fruits and vegetables and record the observation.
Where do you get proteins from foods?
Proteins are in meat and various vegetables.
What is the name of the chemical that farmers use to keep pests away?
Pesticides. What exactly they are.. well, there are various types.
What are the disadvantages of using pesticides?
Pesticides are of various chemical nature which on being applied to plants nuture them by warding of pests. Pesticides, when applied to plants, on excess irrigation, they percolate down the soil thus polluting the depleting reservoire of groundwater. Pesticides are composed of various chemicals like cadmium, mercury which enter the human body via the food chain which has its dependence on groundwater. Chemicals like cadmium cause death on consumption. Pesticides not only harm the insects and pests but also the local fauna like snakes and earthworms which are natural pesticides and decomposers. Snakes kill the rats living in the farm.
How do pesticides get in our streams and rivers?
Farmers and gardeners spray pesticides on various plants, and when it rains, some of the pesticide washes off and is carried away by any run-off, which eventually drains into streams and rivers.
What is the percentage of water in various fruits and vegetables?
70-90%
What do they eat in Portugal every day?
Various meats, vegetables and grains.
What is poisoned by eating pillbugs?
Like many home pests, they may have been in contact with various pesticides which can be toxic to humans.
Where can you see images of all the various vegetables?
For a large range of vegetables and each one's accompanying image, see the Related Link.
