Q1: What is the main function of carbohydrates in the human body?
View Answer 
Ans: Providing energy
Q2: Which type of carbohydrate is also known as roughage?
View Answer 
Ans: Cellulose
Q3: What is the immediate source of energy for the human body?
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Ans: Glucose
Q4: Which organ stores excess glucose in the form of glycogen?
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Ans: Liver and muscles
Q5: What is the process called when excess carbohydrates are converted into fats?
View Answer 
Ans: Lipogenesis
Q6: Which test is used to identify the presence of starch in food?
View Answer 
Ans: Iodine test
Q7: Which class of macronutrients provides the highest energy per gram?
View Answer 
Ans: Fats (9 kcal per gram)
Q8: What are the two main categories of fats?
View Answer 
Ans: Saturated and unsaturated fats
Q9: Name the protein responsible for oxygen transport in the blood.
View Answer 
Ans: Hemoglobin
Q10: What is the basic unit of proteins?
View Answer 
Ans: Amino acids
Q11: Deficiency of which macronutrient leads to diseases like Kwashiorkor and Marasmus?
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Ans: Proteins
Q12: What is the term used for the deficiency of vitamins in the body?
View Answer 
Ans: Hypovitaminosis
Q13: Which two vitamins can be synthesized by the human body?
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Ans: Vitamin D and Vitamin K
Q14: What is the primary function of roughage in the diet?
View Answer 
Ans: Preventing constipation and aiding digestion
Q15: What percentage of the human body is composed of water?
View Answer 
Ans: Around two-thirds (66%)
Q16: What is the name of the solution used to rehydrate a person suffering from dehydration?
View Answer 
Ans: Oral Rehydration Solution (ORS)
Q17: What is the key function of food preservatives?
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Ans: Preventing microbial growth and spoilage
Q18: Which food preservative is commonly used in soft drinks?
View Answer 
Ans: Sodium benzoate
Q19: What happens if food is overcooked?
View Answer 
Ans: Loss of essential nutrients
Q20: Which vitamin, when consumed in excess, can lead to kidney stones?
View Answer 
Ans: Vitamin D
Q1: The process of converting excess glucose into glycogen is called __________.
View Answer 
Ans: glycogenesis
Q2: __________ is the process in which excess carbohydrates are stored as fats.
View Answer 
Ans: Lipogenesis
Q3: Proteins are made up of smaller units called __________.
View Answer 
Ans: amino acids
Q4: A diet that includes all essential nutrients in the correct proportion is called a __________.
View Answer 
Ans: balanced diet
Q5: The test used to detect proteins in food involves copper sulfate and caustic soda, turning the solution __________ in color.
View Answer 
Ans: violet
Q1: Statement: The iodine test is used to check for the presence of proteins in food.
View Answer 
Ans: False (It is used to test for starch).
Q2: Statement: A deficiency of fats can lead to body weakness and reduced stamina.
View Answer 
Ans: True
Q3: Statement: Vitamins are macronutrients required in large quantities for energy production.
View Answer 
Ans: False (Vitamins are micronutrients, not energy-giving macronutrients).
Q4: Statement: Sodium benzoate is a commonly used food preservative in acidic foods and soft drinks.
View Answer 
Ans: True
Q5: Statement: Proteins are the only nutrient responsible for tissue growth and repair in the body.
View Answer 
Ans: False (Carbohydrates and fats also provide energy necessary for growth and maintenance).
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