UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

Home / Civil Engineering / UPSC Civil Service Exam Questions :: Discussion

Discussion :: UPSC Civil Service Exam Questions

Which of the following pairs is/are correctly matched ?
1. Eutrophication.... Nutrient accumulation leading to ecosystem change occurring in impounded water.
2. Autotrophism.... Utilization, rearrangement and decomposition of complex materials predominate.
3. Heterotrophism....Predominance of fixation of light energy, use of simple inorganic substances and built-up complex substances.
Select the correct answer from the codes given below :

1, 2 and 3

1 alone

2 and 3

1 and 3

View Answer