The number of six-membered and five-membered rings present in norethindrone (a synthetic progesterone) are respectively:

Which element among the following is not present in saccharin?

Which of the following matches is wrong?

Which of the following is not a macromolecule?

Assign "$T$" for a true statement and "$F$" for a false statement,then select the correct option.
$(i)$ Most naturally occurring amino acids have $L$-configuration.
$(ii)$ $\beta-D$-ribose sugar is present in $RNA$.
$(iii)$ Amylose is a water-insoluble component made up of $\alpha-D^+$-glucose units.
$(iv)$ All monosaccharides are non-reducing sugars.

Which of the following biomolecules contains a non-transition metal ion?