1.
What class of nutrients is important for the building of tissues?
Correct Answer
B. Protein
Explanation
Proteins are the class of nutrients that are important for the building of tissues. They are essential for the growth, repair, and maintenance of body tissues, including muscles, organs, and skin. Proteins are made up of amino acids, which are the building blocks of the body. They play a crucial role in the synthesis of enzymes, hormones, and antibodies, and are involved in various cellular processes. Carbohydrates provide energy, vitamins are essential for various metabolic functions, and water is necessary for hydration, but none of these nutrients directly contribute to tissue building like proteins do.
2.
Which of these is absorbed and reused to become part of body fluids?
Correct Answer
C. Water
Explanation
Water is absorbed and reused to become part of body fluids. It is an essential component of the human body and plays a crucial role in various physiological processes. Water is absorbed by the cells in the body and is used to transport nutrients, regulate body temperature, lubricate joints, and maintain overall hydration. It is also involved in the formation of body fluids such as blood, lymph, saliva, and digestive juices. Without an adequate intake of water, the body cannot function properly, leading to dehydration and various health problems.
3.
Which of these is the rich source of energy?
Correct Answer
C. Carbohydrates
Explanation
Carbohydrates are a rich source of energy because they are broken down into glucose, which is the body's primary source of fuel. When consumed, carbohydrates are digested and converted into glucose, which is then transported to cells to be used for energy production. This energy is essential for various bodily functions, including physical activity, brain function, and maintaining overall metabolism. Carbohydrates are found in foods such as grains, fruits, vegetables, and dairy products, and provide a readily available and efficient source of energy for the body.
4.
Which of these is not edible oil?
Correct Answer
D. Crude oil
Explanation
Crude oil is not edible oil because it is a fossil fuel extracted from the ground and used primarily as a source of energy. It is not suitable for consumption and cannot be used for cooking or any other food-related purposes. On the other hand, palm oil, coconut oil, and groundnut oil are all types of edible oils commonly used in cooking and food preparation.
5.
What are food products obtained from milk referred to as?
Correct Answer
C. Dairy
Explanation
Food products obtained from milk are referred to as dairy products. Dairy products include various items such as milk, cheese, butter, yogurt, and ice cream, which are derived from milk. These products are rich in essential nutrients like calcium, protein, vitamins, and minerals, and are commonly consumed for their nutritional benefits.
6.
What is the unit of a protein food called?
Correct Answer
C. Amino acidsÂ
Explanation
A protein food is made up of amino acids. Amino acids are the building blocks of proteins and are essential for various biological processes in the body. They are responsible for the structure, function, and regulation of tissues and organs. Therefore, the correct unit of a protein food is amino acids.
7.
What is the meat obtained from cattle called?
Correct Answer
C. Beef
Explanation
Beef is the correct answer because it refers to the meat obtained from cattle. The term "beef" specifically applies to the meat of adult cattle, including cows and bulls. It is a widely consumed meat and is known for its rich flavor and nutritional value.
8.
Which of these is a vegetable?
Correct Answer
A. Cabbage
Explanation
Cabbage is a vegetable because it is a leafy green plant that is commonly used in cooking and salads. It belongs to the Brassica family and is known for its dense, layered leaves. Cabbage is rich in vitamins and minerals, making it a nutritious choice for a vegetable.
9.
Which of these does not produce edible oil for human consumption?
Correct Answer
C. Cocoa
Explanation
Cocoa does not produce edible oil for human consumption. While sunflower, rapeseed, and flaxseed are commonly used to produce edible oils, cocoa is primarily used to produce cocoa butter, which is a key ingredient in chocolate and other confectionery products. Cocoa butter is not typically consumed as an edible oil on its own.
10.
Which of these foods is the sweetest?
Correct Answer
B. Potato
Explanation
The correct answer is Potato. Potatoes contain natural sugars that give them a slightly sweet taste when cooked. While carrots, beans, and yams also have natural sugars, potatoes tend to have a higher sugar content, making them sweeter in comparison.