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Chapter 15: Biochemistry + Ch 16

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1. Ahmed is collecting data on the pH of different solutions. He uses a pH meter to measure the pH. What type of data is pH measurement?

A Qualitative data

B Quantitative continuous data

C Quantitative discrete data

D Ordinal data

2. 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

3. Which type of data is temperature?

A Qualitative

B Quantitative

C Descriptive

D Categorical

4. 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

5. 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

6. 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

7. David is measuring the volume of a liquid. He reads the volume at eye level to avoid parallax error. What is parallax error?

A An error due to incorrect calibration

B An error due to reading the measurement from an angle

C An error due to temperature changes

D An error due to using wrong units

8. Which tool is commonly used to collect experimental data?

A Dictionary

B Balance

C Notebook

D Calculator

9. Qasim is studying carbohydrates. He learns that carbohydrates are classified as simple or complex. Which of the following is a simple carbohydrate?

A Cellulose

B Fructose

C Starch

D Glycogen

10. Rania is learning about proteins. She understands that proteins are made of amino acids. What is the difference between essential and non-essential amino acids?

A Essential amino acids can be synthesized by the body

B Essential amino acids must be obtained from the diet

C There is no difference

D Non-essential amino acids are not important

Chapter 15: Biochemistry + Ch 16

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