Jan 23, 2023
Food is any substance that is consumed to provide nutritional support for an organism. There is a lot of variation in the food eaten in different regions of India. This basic topic constitutes an important part of the Science subject. Read further to know more about it and elevate your UPSC CSE preparation.
Plants and animals are major sources of our food. Some Plant products are grains, cereals, vegetables, and fruits. Similarly, milk, meat products and eggs are major animal products.
Various parts of plants are eaten in different manners.
Some plants have two or more edible parts e.g., Seeds of Mustard plant give us oil and leaves of Mustard plant are used as a vegetable.
Classification of Animals as per their Food Habits:
Plant-based food refers to food items that are derived from plants and do not contain any animal products. This includes fruits, vegetables, grains, legumes, nuts, and seeds. Plant-based food can be consumed as a part of a vegetarian or vegan diet and is often considered to be a more sustainable and environmentally friendly food choice. Some examples of plant-based food include fruits, vegetables, beans, lentils, quinoa, and tofu.
Omnivores are organisms that consume a wide variety of food types, including both plant and animal matter. Some examples of omnivorous animals include:
It is important to note that this list is not exhaustive and there are many other examples of omnivorous organisms in the animal kingdom.
Animal protein is an important source of nutrition for human beings. Some of the benefits of consuming animal protein include:
It is important to note that consuming animal protein in moderation is beneficial and overconsumption of animal protein may lead to health problems, such as heart disease, obesity, and certain types of cancer.
Also Read: What is Urban Farming in India?
No, all living beings do not require the same kind of food. The type of food required by an organism depends on its physiology, anatomy, and the environment it lives in. For example, herbivores such as cows and deer consume primarily plants, while carnivores like lions and sharks consume primarily meat. Omnivores like humans and bears have a more varied diet, consisting of both plant and animal matter. Additionally, some organisms have specialized diets, such as insects that feed on specific plants or microorganisms that feed on specific compounds.
These are a few examples of plants and their parts that are commonly consumed as food. The potato is a staple food in many parts of the world, and its tubers are the edible part. Rice is another staple food and is the grain of the rice plant. The tomato is a fruit that is widely used in cooking, and the carrot is a root vegetable that is consumed for its sweet taste and nutritional value. Lettuce is a leafy green vegetable that is often used in salads and sandwiches. All of these plants have been cultivated for human consumption for thousands of years.
According to the Food and Agriculture Organization (FAO) of the United Nations, approximately 795 million people in the world suffer from chronic undernourishment. This means that they do not have regular access to enough food to meet their daily energy needs. The lack of access to adequate food is a complex issue that is influenced by a variety of factors such as poverty, war and conflict, natural disasters, lack of infrastructure, and poor governance.
In developing countries, a significant portion of the population lives in poverty, and they are unable to afford the food they need. Additionally, many of these countries lack the infrastructure and distribution systems necessary to ensure that food reaches all members of the society. War and conflict also disrupts the food supply, making it difficult for people to access food.
In developed countries, the situation is different. Food insecurity is primarily caused by a lack of income and job opportunities. In these countries, people may have access to food, but they are unable to afford it. The lack of affordable housing and child care can also make it difficult for people to work and afford food.
In summary, the availability of food is a complex issue that is influenced by a variety of factors such as poverty, war and conflict, natural disasters, lack of infrastructure, and poor governance. It is important to address these underlying issues in order to ensure that everyone has access to enough food to meet their daily energy needs.
There are several ways to reduce food waste and ensure that food resources are used efficiently:
In summary, food wastage can be minimized by proper planning, purchasing, storage, portion control, composting, food recovery and donation, and awareness raising. These actions can not only help in reducing food wastage but also contribute to the overall sustainability of the food system.
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