Q. The lungs are important organs for excretion of
A. Ammonia
B. Water
C. Carbon dioxide
D. Urea
Answer: Carbon dioxide
Take Mock Tests
| Government Schemes Mock Test | Start Test! |
| Political Science Mock Test – 42 | Start Test |
| History Test – 190 | Start Test |
| Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
| General Awareness - Mock Test | Start Test! |
| Reasoning Ability - Mock Test | Start Test! |
We will be happy to hear your thoughts