(I) Lutein is an oxygenated hydrocarbon
(II) Inhibition of bacteroid respiration by oxygen is referred to as " Warburg effect'
(III) Triplet code 'UAA' is called 'Amber'
(IV) Delay of senescence by cytokinins is known as 'Richmond-Lang effect'
The correct answer is
$\begin {array} {1 1} (1)\;(III),(IV) & \quad (2)\;(II),(III) \\ (3)\;(I),(IV) & \quad (4)\;(I),(III) \end {array}$