9th Class Biology Past Paper MCQS 2013 Group 2 Test Lahore Board

biological-method-has-been-playing-an-important-role-for-the-last-3-a_-_500-years,cell-organelle-for-manufacturing-protein-is-3-a_-_ribosomes,energy-stored-in-the-chemical-bond-is-3-a_-_potential-energy,in-1665-a-british-scientist-first-of-all-discovered-cell-3-a_-_robert-hooke,in-the-cell-wall-of-plants-the-chemical-present-is-3-a_-_cellulose,in-which-phase-of-cell-division-spindle-fibres-appear-3-f_-_metaphase,it-helps-in-blood-clotting_-_calcium,tissue-responsible-for-the-transport-of-water-and-dissolved-substance-from-roots-to-aerial-parts-in-plants-is-3-a_-_xylem,to-which-group-of-molecules-enzymes-belong-3-a_-_proteins,to-which-kingdom-belong-viruses-3-f_-_none-of-these,ulcer-occur-in-3-a_-_all-these