The correct answer is Shift + Spacebar.Short-cut key to Select entire row in M.S. Excel Worksheet is Shift + Spacebar.This table lists the most frequently used shortcuts in Excel.TASKSHORTCUT KEYClose a workbook.Ctrl+WOpen a workbook.Ctrl+OGo to the Home tab.Alt+HSave a workbook.Ctrl+SCopy selection.Ctrl+CPaste selection.Ctrl+VUndo recent action.Ctrl+ZRemove cell contents.DeleteChoose a fill color.Alt+H, HCut selection.Ctrl+XGo to the Insert tab.Alt+NApply bold formatting.Ctrl+BCenter align cell contents.Alt+H, A, CGo to the Page Layout tab.Alt+PGo to the Data tab.Alt+AGo to the View tab.Alt+WOpen the context menu.Shift+F10 orWindows Menu keyAdd borders.Alt+H, BDelete column.Alt+H, D, CGo to the Formula tab.Alt+MHide the selected rows.Ctrl+9Hide the selected columns.Ctrl+0