Here are 10 One-Word Answer Type Questions from the topic What Do We Breathe Out? (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: What Do We Breathe Out?
1. Question: Which gas is exhaled during breathing?
• Answer: Carbon dioxide
• Explanation: Carbon dioxide is released from the lungs during exhalation.
2. Question: What is the percentage of oxygen in exhaled air?
• Answer: Sixteen
• Explanation: Exhaled air contains about 16% oxygen.
3. Question: What is the percentage of carbon dioxide in exhaled air?
• Answer: Four
• Explanation: Exhaled air contains about 4% carbon dioxide.
4. Question: Which gas is lesser in exhaled air compared to inhaled air?
• Answer: Oxygen
• Explanation: Oxygen decreases in exhaled air as it is used by the body.
5. Question: Which gas is higher in exhaled air compared to inhaled air?
• Answer: Carbon dioxide
• Explanation: Carbon dioxide increases in exhaled air due to respiration.
6. Question: What is the main waste gas removed from the body during breathing?
• Answer: Carbon dioxide
• Explanation: Carbon dioxide is the waste product of respiration expelled during breathing.
7. Question: Which physical process helps in removal of carbon dioxide?
• Answer: Exhalation
• Explanation: Exhalation is the process of releasing carbon dioxide from the lungs.
8. Question: What is the approximate percentage of nitrogen in exhaled air?
• Answer: Seventy-eight
• Explanation: Nitrogen remains unchanged at about 78% in both inhaled and exhaled air.
9. Question: Which organ helps to remove carbon dioxide from the body?
• Answer: Lungs
• Explanation: Lungs remove carbon dioxide from the blood and expel it during breathing.
10. Question: Which process provides carbon dioxide for breathing out?
• Answer: Respiration
• Explanation: Respiration produces carbon dioxide as a byproduct that is breathed out.
If you want, I can now prepare the next set from the sub-topic Breathing in Other Animals in the same one-word format.
Shall I continue?
