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WorksheetsUnderstanding Respiration in Science
Total questions: 12
Worksheet time: 6mins
What is the main difference between aerobic and anaerobic respiration?
Both types of respiration occur in the same conditions.
Anaerobic respiration produces more energy than aerobic respiration.
The main difference is that aerobic respiration requires oxygen, whereas anaerobic respiration does not.
Aerobic respiration occurs in the absence of oxygen.
Which type of respiration occurs in the presence of oxygen?
Cellular respiration
Fermentation
Anaerobic respiration
Aerobic respiration
What gas do plants take in during photosynthesis?
Hydrogen
Oxygen
Nitrogen
Carbon dioxide
What is produced as a by-product of anaerobic respiration in yeast?
Glucose and water
Ethanol and carbon dioxide
Lactic acid and oxygen
Acetic acid and nitrogen
How does exercise affect the rate of respiration in humans?
Exercise increases the rate of respiration in humans.
Exercise decreases the rate of respiration in humans.
Exercise only affects respiration during sleep.
Exercise has no effect on the rate of respiration in humans.
What is the primary energy molecule produced during aerobic respiration?
Glucose
FADH2
NADH
ATP
In which part of the plant does respiration mainly occur?
Cell membrane
Chloroplasts
Nucleus
Mitochondria
What is the role of glucose in respiration?
Glucose is a type of protein involved in respiration.
Glucose provides energy through cellular respiration.
Glucose is used to transport oxygen in the blood.
Glucose is a waste product of respiration.
How does the body respond to increased physical activity in terms of respiration?
The body increases respiration rate and depth to meet oxygen demands and remove carbon dioxide.
The body only increases heart rate without affecting respiration.
Respiration remains unchanged regardless of activity level.
The body decreases respiration rate to conserve energy.
What is the equation for aerobic respiration?
C6H12O6 + 6 CO2 -> 6 O2 + 6 H2O + energy (ATP)
C6H12O6 + 3 O2 -> 3 CO2 + 3 H2O + energy (ATP)
C6H12O6 + 2 O2 -> 2 CO2 + 2 H2O + energy (ATP)
C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O + energy (ATP)
What are the two main types of respiration?
Photosynthesis and fermentation
Aerobic respiration and anaerobic respiration
Cellular respiration and combustion
Aerobic and oxidative respiration
How do plants release oxygen during the day?
Plants absorb carbon dioxide at night.
Plants release oxygen through respiration.
Plants produce oxygen only in the absence of sunlight.
Plants release oxygen during the day through photosynthesis.
