Q: If I tell you that Plants are the major producers in terrestrial ecosystems, and ask you the question " _ are the major producers in terrestrial ecosystems.", is the correct answer "plants"? | OPTIONS:
- Yes
- No
A: Yes

Q: If I tell you that Whistles use air to make sound, and ask you the question "what do whistles use to make sound?", is the correct answer "collagen"? | OPTIONS:
- Yes
- No
A: No

Q: If I tell you that Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle, and ask you the question "what that eventually lead to cell death usually occur in genes that control the cell cycle?", is the correct answer "free radicals"? | OPTIONS:
- Yes
- No
A: Yes

Q: If I tell you that An artery can be relaxed by dilation, and ask you the question "what can be relaxed by dilation?", is the correct answer "artery"? | OPTIONS:
- Yes
- No
A: Yes