STD 11 - 5. Morphology flowering plants — BIOLOGY STD 11 Science — Question

 $\begin{array}{|l|l|} \hline Col\,\,A & Col\,\,B  \\ \hline 1.\,\,Species & P.\,\,Solanum \\ \hline 2.\,\,Genus & Q.\,\,Leo \\ \hline 3.\,\,Family & R.\,\,Polymoniales \\ \hline 4.\,\,Order & S.\,\,Felidae \\ \hline \end{array}$

Which of the above hormones are polypeptide in nature?

Choose the correct option

$(1)$ On and average a healthy human breaths ...$X$....times/minutes

$(2)$ Every $100\, ml$ of oxygenated blood can deliver around ....$Y$.... of $O_2$ of the tissues under normal physiological conditions.

$X-Y$