Aerobic and anaerobic exercise

Which of the following sporting performances is powered anaerobically?

• Pole vault

• Cross country skiing

• Road cycling

Which sugar is broken down to produce energy and lactic acid in the absence of oxygen?

• Protein

• Glucose

• Fat

Which fatiguing by-product is made in the legs of a 400 m runner during anaerobic exercise?

• Lactic acid

• Oxygen

• Haemoglobin

For how long can anaerobic exercise be continued before fatigue?

• A few hours

• A few minutes

• A few seconds

Which of these food sources contain the most carbohydrate?

• Butter

• Meat

• Rice

Which of these performances is powered aerobically?

• Triathlon

• 100 m

• Triple jump

Which of the following is a by-product of aerobic respiration?

• Lactic acid

• Water

• Oxygen

Which system of producing energy takes place in the presence of oxygen?

• Anaerobic

• Aerobic

• Heart rate

What will be experienced by an athlete as they accumulate lactic acid during an interval training session?

• Fatigue

• A feeling of lightness

• Increased intensity

Which of the following foods is a good source of fat?

• Bread

• Banana

• Nuts