Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Life Sciences Ecological Principles Ecosystem Ecology
The table below lists terms used in bioremediation (column X) and explanations for the terms (column Y).
|
Column X |
Column Y |
||
|
A. |
Bioventing |
i. |
Indigenous level of containment degradation without any treatment |
|
B. |
Natural attenuation |
ii. |
It is a technique of adding oxygen to the saturated zone below water table to stimulate degradation |
|
C. |
Air spraying |
iii. |
It is a technique to add oxygen directly to a site of contamination in an unsaturated zone which stimulates in situ aerobic degradation |
|
D. |
Biostimulation |
iv. |
Modification of environmental conditions by adding nutrients to enhance biodegradation process |
Which one of the following options is a correct match between terms in column X and explanations in column Y?
1
A - (iii), B - (i), C - (iv), D - (ii)
2
A - (iv), B - (iii), C - (i), D - (ii)
3
A - (iii), B - (iv), C - (ii), D - (i)
4
A - (iii), B - (i), C - (ii), D - (iv)