Biology 8 Grade

Which of the following is considered the powerhouse of the cell?

• organ

• cell

• mitochondria

• tissue

Where does cellular respiration take place?

• nucleus

• endoplasmic reticulum

• chloroplasts

• mitochondria

What is the main function of the circulatory system?

• Transporting oxygen and nutrients

• Breaking down food

• Sending electrical signals

• Filtering waste from blood

Which of the following is NOT a building block of proteins?

• Lipids

• Nucleic acids

• Amino acids

• Carbohydrates

Which vitamins are considered water-soluble vitamins?

• Vitamins A, D, E, and K

• Vitamins B, C, D, and E

• Vitamins A, B, C, and D

• Vitamins C, D, E, and K

Which nutrient is known for providing essential vitamins and minerals?

• Proteins

• Fats

• Carbohydrates

• Vitamins

Which type of fats are considered unhealthy due to their association with heart disease?

• Saturated fats, unsaturated fats, and trans fats

• Monounsaturated fats, polyunsaturated fats, and omega-3 fats

• Hydrogenated fats, essential fats, and omega-6 fats

• Cholesterol, saturated fats, and trans fats

Which of the following nutrients are necessary for the body to grow, repair, and maintain itself?

• Carbohydrates, Proteins, Water, Vitamins, Minerals, Fiber

• Carbohydrates, Proteins, Fats, Vitamins, Minerals, Water

• Proteins, Fats, Sugars, Vitamins, Minerals, Water

• Carbohydrates, Fats, Fiber, Vitamins, Minerals, Water

What is the main function of the respiratory system?

• Breaking down food into nutrients

• Transporting oxygen to the body

• Regulating body temperature

• Controlling movement and coordination

Which cellular process involves the conversion of nutrients into energy?

• Photosynthesis

• Cellular respiration

• Cell division

• Protein synthesis