Here are 10 One-Word Answer Type Questions from the topic Why Do We Respire? (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Why Do We Respire?
1. Question: What is the process of breakdown of food to release energy called?
• Answer: Respiration
• Explanation: Respiration is the process by which food is broken down to release energy.
2. Question: Which gas is used in respiration?
• Answer: Oxygen
• Explanation: Oxygen is required to break down food during aerobic respiration.
3. Question: What is the energy currency of the cell?
• Answer: ATP
• Explanation: Adenosine Triphosphate (ATP) is produced during respiration and stores energy.
4. Question: What is the gas released during respiration?
• Answer: Carbon dioxide
• Explanation: Carbon dioxide is a waste product released during respiration.
5. Question: What is the process of food breakdown in cells called?
• Answer: Cellular
• Explanation: Cellular respiration is the breakdown of food in cells to release energy.
6. Question: What is the respiration called in the presence of oxygen?
• Answer: Aerobic
• Explanation: Aerobic respiration occurs in the presence of oxygen.
7. Question: What is the respiration called in the absence of oxygen?
• Answer: Anaerobic
• Explanation: Anaerobic respiration occurs without oxygen.
8. Question: What is produced along with energy in anaerobic respiration in muscles?
• Answer: Lactic acid
• Explanation: Lactic acid is produced during anaerobic respiration in muscles.
9. Question: Which organelle is known as the powerhouse of the cell?
• Answer: Mitochondria
• Explanation: Mitochondria perform respiration and produce energy.
10. Question: What is needed by living beings to perform life processes?
• Answer: Energy
• Explanation: Energy is required for all life processes and is obtained through respiration.
If you want, I can now prepare the next set from the sub-topic Breathing in the same one-word format.
Shall I proceed?