Identify the odd one out.

Which group of vitamins is fat-soluble?

Identify and list $10$ interesting small molecular weight biomolecules. Determine if there are industries that manufacture these compounds through isolation and identify their primary buyers.

Match the following:

$(a)$ Inhibitor of catabolic reaction	$(i)$ Ricin
$(b)$ Contains peptide bond	$(ii)$ Malonate
$(c)$ Cell wall material in fungi	$(iii)$ Chitin
$(d)$ Secondary metabolite	$(iv)$ Collagen

Select the correct option:

Which type of bond connects the $H$ and $O$ atoms in a water molecule?

Which vitamin gets destroyed by heating?