Top 50 Food Adulteration Quiz and Answers

Welcome to our Food Adulteration Quiz and Answers section. In this post we are going to discuss about the Food Adulteration with various Multiple choice Quizzes. Do you know if your milk is fortified with Vitamin D? Are these ‘organic’ vegetables actually grown without pesticides? Is the chicken you’re eating really antibiotic free? These were just a few questions I asked myself while writing this post. If your answer is unsure or you didn’t even know to ask the question, then keep reading. This post will provide you with information on food adulteration, how it’s regulated and even give you a food adulteration quiz so that you can test your knowledge and see where your knowledge gaps are.

Food Adulteration Quiz and Answers

Which stage does adulteration take place in?


Which of the following is an adulterant?


Why are adulterants added?


Which of the following reason shows the impact of adulteration on the economy?


Methods for detection of common adulterants are _____


Tina observed the following when she tested the specific gravity of milk to check for adulteration- the specific gravity was lesser than that of pure milk. She complained to the milk vendor and the next day checked the specific gravity again. This time it came in the range of the desired specific gravity. Can we be assured that this is pure unadulterated milk?


A substance intentionally added that affects the nature and quality of food is called _____


When do we say that food is adulterated under the PFA Act?


Statement 1: In the process of making certain oils, nickel is added as a catalyst.

Statement 2: Nickel is injurious for consumption.


Statement 1: Adulteration takes place more in loosely sold items than those sold packed.

Statement 2: Powder and paste forms are more adulterated than solid lumps.


A brief notes about Food Adulteration

Food adulteration is a crime that is committed when a food product meant to be consumed by humans has been contaminated in any way. Food adulteration is the addition of inferior or harmful substances (contaminants) to foodstuffs. Sometimes, food products are also removed from their original package and sold as a de-livered product, again making it prone to tampering and adulteration.

Food adulteration is a common practice in various parts of the world including India. Food adulteration is not only dangerous to health but also poses a threat to life as it includes the mixing of toxic elements, non food items and other poisonous substances. The motive behind this practice is either to pass off cheap or hazardous food as genuine or that of economic gains by selling such adulterated products.  

Food adulteration occurs globally in its time to time with the main motive to earn the profits in a legal way. Food adulteration is a debatable topic as it has been proved that certain foods and ingredients are not safe for consumption. To avoid this negative impact and harmful effects of food adulteration, people prefer organic foods which are free from any kind of adulteration.

FAQ and Answers on Food Adulteration

What is called food adulteration?

Food adulteration is a crime or offense in which food is mixed with other items to misrepresent them as pure and genuine food products. Or food items are said to be contaminated and impurity materials are added to them. Adulteration in food can be carried out intentionally or unintentionally.

What are the different types of food adulteration?

(i) Intentional Adulterants: Sand, marble chips, stones, mud, other filth, talc, chalk powder, water, mineral oil and harmful colour.
(ii) Incidental adulterants: Pesticide residues, droppings of rodents, larvae in foods.
(iii)Metallic contaminants: Arsenic from pesticides, lead from water, effluent from chemical industries, tin from cans.

What is reason of food adulteration?

Due to the lack of an efficient food law and lack of government initiatives, there is an ample room for food adulteration. Food adulteration has twofold detrimental effects. It affects health directly by causing diseases like gastroenteritis, dysentery and diarrhea, while indirectly it harms the economy through loss of agricultural production and trade thereby affecting general economy adversely. There is lack of awareness against food adulteration among the general public, especially in rural areas. The general population has no idea as to what this word means.

What is an example of an adulterant?

Adulterants are substances added to a food to illicitly increase the total quantity or weight. Some foods, like honey, have been adulterated for centuries, while others, like peanut butter—which has been adulterated with substitute oils and peanuts colored with highly carcinogenic aflatoxin—are relatively new additions to this unpleasant culinary practice.

What are the methods of food adulteration?

Methods of food adulteration has its roots in the decisions made by the manufacturers, traders or sellers. Some of the most common methods to adulterate food include: Adding certain chemicals for faster ripening of fruits Mixing of decomposed fruits and vegetables with the good ones Adding certain natural and chemical dyes to attract consumers Mixing of clay, pebbles, stones, sand, and marble chips, to the grains, pulses and other crops.

How can you tell if food is adulterated?

I have experimented on adulterated food grains. You can also do it. Now, how you can check whether your grains are pure or adulterated? Take a transparent glass of water. Add 2 teaspoons of food grains and mix thoroughly. Pure food grains will not leave any colour. Adulterated food grains leaves colour immediately in water.

How does a product become adulterated?

Adulteration is the act of adding false, misleading, or unapproved substances to a food product or selling an adulterated product. Foods are adulterated if they omit a valuable constituent or substitutes another substance, in whole or in part, for a valuable constituent (for example, olive oil diluted with tea tree oil); have damaged or inferior labels (for instance, fresh fruit with food coloring on its surface to conceal defects); do not comply with Federal regulations on the addition of substances not approved as food additives; and have misleading labelling. The name of the food is also adulterated if it implies that the product has body building characteristics, contains added vitamins and minerals, or is suitable for diabetics.

What are the effects of food adulteration?

Food adulteration is a type of criminal activity wherein the food is poisoned by unlawful adding of unwanted & harmful substances in the food which results in health hazard. The key aim of this activity is to increase the profit for the manufacturer at the cost of consumer’s health. Food adulterants have been used around since ancient times. Some of these adulterants are highly toxic for the body leading to heart failure, liver disorders, kidney disorders & many more. Adulteration also affects the quality of the product leading hindrance to the nutritive value of the product thus leading to nutritive deficiency in our body.

What are the advantages of food adulteration?

Adulteration of food is the changing of any important aspect like quality, color and quantity. Adulteration can be done on purpose or accidentally. The advantage of food adulteration is better appearance like modifying the odor, flavor or texture of a product by adding other ingredients in it. The producer may add cheaper ingredients than what is listed in the ingredients label. For example, wheat flour may be replaced by potato starch, bread crumbs or cellulose to decrease the cost of making the food product. Cheaper meats like pork or lamb may be replaced with horse meat or other animals to make a profit out of this.