What are $RuBP$ and $RuBisCO$ respectively?

The thylakoids are removed and kept in a culture medium containing $CO_2$ and $H_2O$. If the setup is exposed to light,hexose sugars are not formed as the end product. The most appropriate reason for this is that

Stroma in the chloroplasts of higher plants contains

Which enzyme is involved in the conversion of $3-PGA$ to $3-PGAL$?

In the photosynthetic pathway,carbon dioxide is fixed during:

Consider the given two statements:
Statement $I$: Carbon reactions during photosynthesis in higher plants are called as dark reactions.
Statement $II$: They always occur in darkness and they are not light-dependent.