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$\begin{array}{|p{0.4\linewidth}|p{0.4\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline (1)\,\,Neutrophil & (a)\,\,Inflammation \\ \hline (2)\,\,Eosinophil & (b)\,\,6-8\,\,\% \\ \hline (3)\,\,Basophil & (c)\,\,Phagocytes \\ \hline (4)\,\,Monocytes & (d)\,\,Resists\,\,infections \\ \hline \end{array}$
$I.$ New leaves formation
$II.$ Chloroplast formation in leaves
$III.$ Lateral shoot formation
$IV.$ Adventitious shoot formation
$V.$ Rooting on stem cuttings
Choose the correct option
$‘A’ $ $ ‘B’$
$(1) $ Auxin $(I)$ Ripening and maturity of fruits
$(2)$Gibberellin $(II)$Differentiation of xylem elements
$(3) $ Cytokinin $(III)$ Prevention of genetic and physiological dwarfism
$(4) $ Ethylene $(IV)$ Found from tumour tissue of tobacco
$(1)$ $(2)$ $(3)$ $(4)$
$I.$ $PCT$ $II.$ $DCT$
$III.$ Loop of Henle $IV.$ Collecting duct
Which contributes most in maintaining $pH$ of blood?
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.