MCQ
Photosynthetically least efficient radiation is
- ABlue
- BYellow
- ✓Green
- DRed
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Aves, terrestrial snail, marine fishes, Many bony fishes, Mammals
$I.$ partial pressure of $O_{2}$
$II.$ partial pressure of $CO _{2}$
$III.$ hydrogen ion concentration
$IV.$ temperature
Choose the correct option