There are many plants that are air purifying by nature and leave oxygen even during night. likewise which plants perform normal photosynthesis even in weak light conditions.
Photosynthesis is divided in two parts:
1. Light-dependent reactions (light reactions):
need light to produce organic energy molecules ATP and NADPH.
2. Light-independent reactions (dark reactions)/Calvin Benison Cycle:
make use of these ATP and NADPH..
ATP provides the energy
NADPH provides the electrons required to fix the CO2 into carbohydrates.
Dark reactions will fail to continue if the plants are deprived of light for too long, since they use the output of the initial light-dependent reactions.
Different plants required amount of water, light, air differently.
Similar to different animal species required different amount of food/air/water for survive.
You can search about many of plants and light requirements by copy and paste the link from here:
https://www.google.co.in/search?q=PLANT+REQUIRED+LOW+DAY+TIME&oq=PLANT+REQUIRED+LOW+DAY+TIME&aqs=chrome..69i57.15870j0j7&sourceid=chrome&es_sm=93&ie=UTF-8#q=plANTS%20LOW%20light&safe=active
There are many forest understorey species that are adapted to cope with very limited light availability. Among such species, you will find normal (i.e. physiological for the given species) photosynthesis when the plants are exposed to low light. Normal photosynthesis of a shade species is different from normal photosynthesis of a species growing in full sunlight, of course. In the end, the question will be what you define to be normal.
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