2 Khalid is studying the functions of proteins. He understands that proteins are involved in almost every biological process. Which of the following is NOT a function of proteins? A Catalysis B Transport C Genetic information storage D Defense
3 Balanced diet must contain: A Only carbohydrates B Only proteins C All essential nutrients D Only vitamins
6 DNA stands for: A Deoxyribose nucleic acid B Deoxyribonucleic acid C Dicarboxylic nucleic acid D Dynamic nucleic acid
7 Waleed is learning about the importance of a healthy diet. He understands that a healthy diet can prevent many diseases. Which of the following is a disease that can be prevented by a healthy diet? A Diabetes B Heart disease C Obesity D All of the above
8 Tina is learning about nucleic acids. She understands that DNA and RNA are essential for life. What is the function of tRNA? A To carry genetic information B To transfer amino acids to the ribosome C To form the ribosome D To store energy
9 Laura is learning about the deficiency of carbohydrates. She understands that a lack of carbohydrates can lead to fatigue. What is a good source of complex carbohydrates? A White bread B Oats C Soda D Candy
10 Carbohydrates mainly contain: A Carbon, hydrogen and nitrogen B Carbon, hydrogen and oxygen C Carbon, oxygen and nitrogen D Hydrogen, oxygen and nitrogen
12 Vera is learning about the functions of carbohydrates. She understands that carbohydrates are important for brain function. Which of the following is the primary fuel for the brain? A Fatty acids B Glucose C Amino acids D Ketone bodies
13 Samir is studying lipids. He learns that lipids are important for health. Which of the following is a function of lipids in the body? A Insulation B Protection of organs C Hormone production D All of the above
14 Tina is studying the required daily intake for young adults. She learns that young adults need a balanced diet to support growth. Which of the following is important for bone health? A Calcium B Iron C Vitamin C D Folic acid
15 Omar is studying marasmus. He learns that marasmus is characterized by emaciation. What is emaciation? A Excessive weight gain B Severe thinness and wasting C Swelling of the stomach D Brittle hair
16 Ethan is studying the functions of carbohydrates. He learns that carbohydrates provide quick energy. Which of the following is a good source of quick energy? A Whole grains B Fruits C Sugar D Vegetables
18 Carlos is studying nucleic acids. He learns that DNA and RNA are polymers of nucleotides. What is the sugar found in DNA? A Ribose B Deoxyribose C Glucose D Fructose
19 The main function of carbohydrates is to: A Build tissues B Store genetic information C Provide energy D Form enzymes
20 Ahmed is learning about nutrition and healthy eating in his biochemistry class. His teacher explains that nutrition is the process of obtaining and using food for health. What is the main purpose of nutrition? A To provide energy and nutrients for growth and maintenance B To increase body weight only C To eliminate all fats from the diet D To consume only proteins
21 Vera is studying marasmus. She learns that marasmus is a severe form of malnutrition. What is the main cause of marasmus? A Lack of protein B Lack of calories and protein C Lack of vitamins D Lack of minerals
22 Nadia is learning about malnutrition. She understands that malnutrition can be due to overnutrition or undernutrition. Which of the following is an example of overnutrition? A Obesity B Marasmus C Kwashiorkor D Vitamin deficiency
24 Ibrahim is learning about proteins. He knows that proteins are essential for growth and repair. What is the basic building block of proteins? A Nucleotides B Amino acids C Fatty acids D Monosaccharides
25 Which vitamin group is called B-complex? A Fat soluble vitamins B Water soluble vitamins C Steroid vitamins D Hormonal vitamins