Food Processing, Preservation and Storage Quiz
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Questions and Answers

What is one reason why fruits and vegetables are important for mankind?

  • They are inexpensive to cultivate
  • They are nutritive and essential for health (correct)
  • They are high in calories
  • They are easy to preserve

    • When did scientific methods for food preservation start to develop?

  • After the First World War
  • Since time immemorial
  • After World War II
  • About a hundred years ago (correct)

    • What was the impact of the First World War on the technological progress in food preservation?

  • It completely halted the progress
  • It had no impact on the progress
  • It slowed down the progress
  • It provided momentum to the progress (correct)

    • Why did the demand for preserved foods increase?

    <p>They are cheaper than fresh commodities</p> Signup and view all the answers

    What is one impact of preserved foods in advanced countries today?

    <p>Even the poorer sections consume preserved foods regularly</p> Signup and view all the answers

    What was the significance of fruits and vegetables from the point of view of agriculturists?

    <p>High returns from cultivation even on small areas</p> Signup and view all the answers

    What is the main difficulty faced by the fruit and vegetable preservation industry?

    <p>Inadequate knowledge of modern preservation methods and techniques</p> Signup and view all the answers

    What is the primary aim of food preservation?

    <p>To ensure that local and seasonal surpluses are not wasted</p> Signup and view all the answers

    What is an example of a physical method employed in the food preservation industry?

    <p>Boiling</p> Signup and view all the answers

    Which method is primarily used for preserving meat, fish, and cheese?

    <p>Smoking</p> Signup and view all the answers

    What does modern food preservation enable?

    <p>Year-round sale of most foods and availability in densely populated regions</p> Signup and view all the answers

    In what way does the fruit and vegetable preservation industry benefit farmers and horticulturists?

    <p>Ensures a stable market and allows them to expand production without fear of falling demand</p> Signup and view all the answers

    What are the main types of alteration induced by food processing?

    <p>Physical, chemical, or biological</p> Signup and view all the answers

    Which method is used for preserving most foods and prepared dishes?

    <p>Preservatives</p> Signup and view all the answers

    What is the primary purpose of using preservatives in food preservation?

    <p>To prevent oxidation and decomposition</p> Signup and view all the answers

    What is the significance of food preservation in relation to geographic location?

    <p>It ensures an adequate supply of food at an economical price irrespective of geographic location</p> Signup and view all the answers

    What are the macro-minerals discussed in the context of nutrition?

    <p>Calcium, Iron, Phosphorus</p> Signup and view all the answers

    What is the primary function of lipids in the body?

    <p>Energy storage and insulation</p> Signup and view all the answers

    What is the primary method employed for determining the percentage of edible portion in food?

    <p>Weighing before and after cooking</p> Signup and view all the answers

    Which classification do carbohydrates fall under based on their structure?

    <p>Monosaccharides, Disaccharides, Polysaccharides</p> Signup and view all the answers

    What is the purpose of using supplementary value of proteins in nutrition?

    <p>To improve the quality of protein intake</p> Signup and view all the answers

    What is the primary source of energy for the body?

    <p>Carbohydrates</p> Signup and view all the answers

    What is the nutritional importance of cereals and millets?

    <p>They contribute to about 70 to 80 percent of low-income diets and contain 6 to 12 percent proteins</p> Signup and view all the answers

    What is the classification of foods based on their functions?

    <p>Energy-yielding, bodybuilding, and protective foods</p> Signup and view all the answers

    What is the general nutrient composition of cereals and millets?

    <p>Moderate protein content and good sources of some vitamins</p> Signup and view all the answers

    What is the primary aim of food preservation?

    <p>To prevent microbial spoilage and extend the shelf life of foods</p> Signup and view all the answers

    How are nutrients categorized based on their activities in the body?

    <p>Energy-yielding, bodybuilding, and protective nutrients</p> Signup and view all the answers

    What is the definition of food?

    <p>That which nourishes the body and can be used as an energy source or building material</p> Signup and view all the answers

    Why are cereals and millets considered significant in diets?

    <p>As they form the staple food for a large part of the world's population and contain essential nutrients</p> Signup and view all the answers

    How are foods grouped based on their nutritive value?

    <p>(1) Cereals and millets (2) Pulses (3) Nuts and oilseeds (4) Meat and fish</p> Signup and view all the answers

    What is the traditional role of food in human life?

    <p>To symbolize happiness during certain events like exams or marriages</p> Signup and view all the answers

    Why is it important to understand the physicochemical properties of food?

    <p>To facilitate the planning of balanced diets for various age groups</p> Signup and view all the answers

    Study Notes

    Importance of Fruits and Vegetables

    • Fruits and vegetables are essential for human health and well-being.

    Food Preservation

    • Scientific methods for food preservation began to develop during the 19th century.
    • The First World War accelerated technological progress in food preservation.
    • Demand for preserved foods increased due to the war.
    • In advanced countries, preserved foods have led to a significant reduction in the incidence of foodborne illnesses.

    Significance of Fruits and Vegetables

    • From an agricultural perspective, fruits and vegetables are important crops.

    Challenges in Food Preservation

    • The main difficulty faced by the fruit and vegetable preservation industry is maintaining the nutritional value and texture of the produce.

    Aim of Food Preservation

    • The primary aim of food preservation is to prevent spoilage and extend the shelf life of food.

    Methods of Food Preservation

    • Physical methods, such as refrigeration, are employed in the food preservation industry.
    • Smoking is primarily used for preserving meat, fish, and cheese.
    • Modern food preservation enables the availability of a wide range of foods throughout the year.

    Benefits of Food Preservation

    • The fruit and vegetable preservation industry benefits farmers and horticulturists by providing a market for their produce.

    Food Processing

    • Food processing can induce physical, chemical, and biological alterations in foods.
    • Heat treatment is used for preserving most foods and prepared dishes.

    Preservatives

    • The primary purpose of using preservatives in food preservation is to prevent spoilage and extend shelf life.

    Geographic Significance of Food Preservation

    • Food preservation is critical in areas with limited access to fresh produce due to geographic location.

    Nutrition

    • Macro-minerals essential for human nutrition include sodium, potassium, and calcium.
    • Lipids serve as a source of energy and provide essential fatty acids.
    • The primary method for determining the percentage of edible portion in food is by proximate analysis.
    • Carbohydrates are classified as simple or complex based on their structure.
    • Supplementary values of proteins are used to enhance the nutritional quality of food.
    • The primary source of energy for the body is carbohydrates.
    • Cereals and millets are significant in diets due to their high nutritional value.
    • Foods are classified into three categories based on their functions: energy-producing, body-building, and regulatory.

    Classification of Foods

    • Foods are categorized based on their nutritive value into carbohydrates, proteins, fats, vitamins, and minerals.

    Traditional Role of Food

    • Food plays a vital role in human life, providing sustenance, nutriment, and pleasure.

    Physicochemical Properties of Food

    • Understanding the physicochemical properties of food is essential for food preservation and processing.

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    Description

    Test your knowledge about the processing, preservation and storage of fruits and vegetables. Explore the importance of these foods from both a nutritional and agricultural perspective, and learn about the historical practice of food preservation.

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