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UPSC CDS 2 2019 GK Paper

Question : 78

Total: 119

It is the movement of a substance against a diffusion gradient with the use of energy from respiration.
It is the movement of a substance against a diffusion gradient without the use of energy.
It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis.
It is the movement of a substance along a diffusion gradient with the use of energy from respiration.

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