When does the oxygen dissociation curve shift to the right?

When temperature decreases,the oxyhaemoglobin dissociation curve will become:

Which of the following substances does not inhibit the transport of oxygen in the blood?

What is the quantity of $CO_2$ transported in the form of bicarbonates by blood (including both plasma and $RBC$) (in $\%$)?

Why is carbon monoxide $(CO)$ poisonous for humans?

Given below are two statements.
Statement $I$: Carbonic anhydrase enzyme is found in $RBCs$ and is absent in plasma.
Statement $II$: The rate of formation of carbonic acid is very high inside $RBCs$ than in plasma.
In light of the above statements, select the correct answer from the options given below.