Life Processes - Respiration
Science · Grade 9 · Week 32 · 25 questions
The human body is an incredible system of organs working together. Understanding how your body systems function helps you appreciate the complexity of life and make better health choices.
What you'll practise
- Identify major organs and their functions
- Explain how body systems work together
- Understand the structure of key body systems
- Describe common health conditions and prevention
All 25 questions in this Life Processes - Respiration quiz
Grade 9 Science — Life Processes - Respiration: 25 practice questions with instant scoring and explanations.
- Aerobic respiration requires:
- The general equation for aerobic respiration is:
- Anaerobic respiration does NOT require:
- Lactic acid fermentation produces:
- The main site of ATP production during aerobic respiration is:
- In humans, gas exchange occurs in the:
- The trachea divides into two:
- The diaphragm contracts during:
- During inhalation, the volume of the thoracic cavity:
- The movement of diaphragm upward causes:
- In alveoli, oxygen diffuses into:
- The carbon dioxide diffuses out of blood in the alveoli because:
- Yeast undergoes which type of respiration during fermentation?
- How many ATP molecules are produced per glucose molecule during complete aerobic respiration?
- Glycolysis occurs in the:
- The enzyme responsible for the breakdown of glucose in glycolysis is:
- During intense exercise, muscles undergo:
- The Krebs cycle (citric acid cycle) produces:
- The oxygen consumption in mitochondria occurs in:
- Which gas is removed from the blood by the lungs?
- The residual volume in the lungs refers to:
- In anaerobic respiration in muscles, pyruvate is converted to:
- The total ATP produced from one pyruvate molecule in the Krebs cycle and electron transport chain is approximately:
- Breathing rate is controlled by:
- The disease caused by inhalation of asbestos particles is:
Question 1 of 250 correct so far