Which is not a protein?

Which of the following is a reducing sugar?

Markovnikov's rule is applicable to:

The major product of the following reaction is 

Predict the major product ' P ' in the following sequence of reactions- 

Match List I with List II: $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Adenosine} & \text{(i)} & \text{Nitrogen base} \\\hline \text{B.} & \text{Adenylic acid} & \text{(ii)} & \text{Nucleotide} \\\hline \text{C.} & \text{Adenine} & \text{(iii)} & \text{Nucleoside} \\\hline \text{D.} & \text{Alanine} & \text{(iv)} & \text{Amino acid} \\\hline\end{array}$ Choose the option with all correct matches.