Why is iodine used in slide preparation? It prevents the slide from drying out when it’s being examined. Iodine stain can be used to stain plant cells to make the internal structures more visible. Certain stains are also used to stain specific cell structures or cell products.

Acetocarmine

Explanation: Iodine is used in staining cells of an onion peel on the slide due to following reason. *This procedure of staining onion cells with iodine make the onion cells visible clearly. It also confirms the fact that onion stores reserve food material in the form of starch.

Certainly yes, staining of cell make the parts become visible in microscope, there is a change in the image of onion cell and its part, after staining some parts become visible and distinct.

Answer. If we place onion peel in a watch glass that contains salt solution, exosmosis will occur. If the surrounding medium contains a higher concentration of salt i.e. hypertonic solution, then water will move out of the cells causing the cells to shrink.

Safranin is a dye which can be taken up by a cell and it gives a pink colour. The cell as well as the background is transparent and it is difficult to visualise the cells as such. Staining imparts colour the cell or its components and enhances its contrast and makes it easier to see the structure of the cells.

1] Cut the onion and remove it’s peel from the inner surface of onion. 2] Put the peel in a containing water. 3] Add few drops of into the to stain the peel. 4] Remove the peel with the help of and put it on clean along with few drops of water and provide the shape by cutting it.

Place the cells on a glass slide that has water on it. Mix the water and the cheek cells using a needle and spread them. Take a few drops of Methylene blue solution using a dropper and add this to the mixture on the slide. After 2-3 minutes remove any excess water and stain from the slide using a blotting paper.

The clear epidermal cells exist in a single layer and do not contain chloroplasts, because the onion fruiting body (bulb) is used for storing energy, not photosynthesis. Each plant cell has a cell wall, cell membrane, cytoplasm, nucleus, and a large vacuole. Firm, small onions are best for microscopy.

Side effects might include stomach distress or pain after eating onion. When applied to the skin: Onion extract is LIKELY SAFE when applied to the skin. Side effects might include skin irritation or eczema following skin contact with onion.

It has been found that eating onions can increase the heartburn and can cause reflux when you lie down. It is fine to have onions if you are healthy and don’t have conditions like these. Onions also cause bloating if eaten at night.

You should eat onions raw rather than cooked to get the most sulfur compounds from them.

Red and yellow onions are richer in antioxidants than other types. In fact, yellow onions may contain almost 11 times more antioxidants than white onions ( 25 ).

red onion

As per Ayurveda, both these ingredients produce excessive heat in the body. These two ingredients are even avoided by people practicing meditation or following a spiritual path, as consumptions of onion and garlic are known to increase anger, aggression, ignorance, anxiety, and increase in sexual desire.

It is believed that onions and garlic are known to increase sexual feelings… So, by avoiding foods like onions, garlic, meat, etc, Brahmins believe that it is a step towards attaining peace and fulfilling the purpose of their life… Hope it helps!!!!

While not especially serious, eating onions can cause problems for some people. The carbohydrates in onions may cause gas and bloating, according to National Digestive Diseases Information Clearinghouse.

Onion and Garlic are considered as Tamasic foods producing sedative effects on the mind and the body. According to Hindu religion, these foods should be avoided as they can cause mental dullness and physical numbness due release of heat of such foods on our circulation system.

[10] Jains don’t eat root vegetables such as potatoes, onions, roots and tubers, because tiny life forms are injured when the plant is pulled up and because the bulb is seen as a living being, as it is able to sprout. Also, consumption of most root vegetables involves uprooting & killing the entire plant.

Due to the effect of the mantras uttered by the rishi there was now life in this piece of meat. Then the bones in that piece of meat became garlic and the meat became onions in that field. Thus these foods are never taken by any Vaishnava devotee because it is not vegetarian.

This includes foods that are not fresh, overcooked, stale and processed — foods made from refined flour (maida), pastries, pizzas, burgers, chocolates, soft drinks, rumali roti, naan, tea, coffee, tobacco, alcohol, canned and preserved foods like jams, pickles and fermented foods, fried foods, sweets made from sugar.

Items such as red meat, red lentils, toor lentils, white urad lentils, black and green gram, chickpeas, spices such as chilies and black pepper and stimulants such as broccoli, cauliflower, spinach, onion and garlic, tea, coffee, tobacco, soda, alcohol, chocolate, sour apples, pickles and refined sugars all fall in the …

The following foods can be eaten liberally on the Sattvic diet (4): Land and sea vegetables: spinach, carrots, celery, potatoes, broccoli, kelp, lettuce, peas, cauliflower, etc. Fruits and fruit juices: apples, bananas, papaya, mangos, cherries, melons, peaches, guava, fresh fruit juices, etc.

Such foods include: caffeinated drinks such as coffee, tea , cola drinks, energy drinks, brown or black chocolate, ginkgo biloba, spicy food, unfertilized eggs, food that is pungent, very much salty, bitter or is not balanced in taste.