MCQ
Which is the most important service provided by environment?
- ARelease of oxygen
- BFormation of ozone layer
- ✓Carbon assimilation in photosynthesis
- DAgents of pollination
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|
S.no
|
Column $I$
|
S.no
|
Column $II$
|
| $A.$ |
$\ce{UV}$
|
$(i)$ |
Biomagnificatron
|
| $B.$ |
Biodegradable Organic matter
|
$(ii)$ |
Eutrophication
|
| $C.$ |
$\ce{DDT}$
|
$(iii)$ |
Snow blindness
|
| $D.$ |
Phosphates
|
$(iv)$ |
$\ce{BOD}$
|