Concept:
Different fruits are known for different important nutrients.
Step 1: Match Calcium.
Fig is a good source of calcium.
\[
A\rightarrow I
\]
Step 2: Match Iron.
Karonda is known for iron content.
\[
B\rightarrow III
\]
Step 3: Match Phosphorus.
Wood apple is associated with phosphorus content.
\[
C\rightarrow II
\]
Step 4: Match Protein.
Guava contains comparatively good protein content among fruits.
\[
D\rightarrow IV
\]
Therefore:
\[
A-I,\ B-III,\ C-II,\ D-IV
\]
\[
\therefore \text{Correct Answer is (B)}
\]