Biology and Biotechnology Quiz

Why is a healthy diet important?

• A. It maintains a constant body temperature.

• B. It prevents damage to internal organs

• C. It makes oxygen for all the cells in the body.

• D. It supplies the body's needs for growth and energy.

Why is respiration (breathing) important for digestion?

• A. Respiration provides carbon dioxide for the digestion of food.

• B. Respiration provides hydrogen for the digestion of food.

• C. Respiration provides oxygen for the combustion of food.

• D. Respiration provides glucose for energy.

Blue-green algae have been modified by scientist to produce ethanol, a biofuel. Why are the blue-green algae able to perform this function?

• A. because they were placed in nutrient rich soil

• B. because they were treated with antibiotics

• C. becasue they were given artificial sunlight

• D. because they were genetically engineered.

Why is protein an important part of a healthy diet?

• A. It is needed to produce water.

• B. It is needed to repair tissue.

• C. It is needed to store nutrients.

• D. It is needed to change glucose to energy.

Which type of diet best contributes to a healthy lifestyle?

• A. a diet high in protein and fat

• B. a diet high in fruits, vegetables, and fats

• C. a diet high in carbohydrates, fruits, and vegetables

• D. a diet high in fruits, vegetables, and lean protein

A runner is preparing to run a long race. Which would provide the highest level of energy for the runner?

• A. minerals

• B. carbohydrates

• C. proteins

• D. vitamins

Which food provides the most energy in the shortest amount of time?

• A. potato

• B. meat

• C. milk

• D. fruit

Human cells need energy to survive. From which source does this energy originally come?

• A. algae

• B. animals

• C. plants

• D. sunlight

How are plant cells and human cells the same?

• A. They can produce their own oxygen.

• B. They make their own food from sunlight.

• C. They can receive nutrients through the cell wall.

• D. They use mitochondria to release energy from sugars.

Which part of a plant captures the light energy used in photosynthesis?

• A. mitochondria

• B. chlorophyll

• C. roots

• D. stomota