For many biochemical reactions,$H^+$ and $OH^-$ ions are obtained from which of the following?

Which of the following components obtained from mushrooms is $NOT$ considered an organic compound?

What type of bond exists between two water molecules?

Vitamin $A$ was discovered by

Vitamin $E$ is also known as

Statement $P$: $A$ water molecule must be added to form a complex organic substance.
Statement $Q$: $\text{Maltose} + H_2O \xrightarrow{\text{hydrolysis}} \text{Glucose} + \text{Glucose}$