12th Class Biology Past Paper MCQS 2017 Group 2 Test Multan Board

a-disease-caused-by-low-level-of-calcium-in-the-blood-is-called-3-a_-_tetany,acts-as-environmental-buffer-3-a_-_forest,cell-death-due-to-tissue-damage-is-called-3-a_-_necrosis,crossing-over-during-meiosis-occurs-at-the-stage-of-3-a_-_pachytene,diploid-parthenogenesis-may-occur-in-3-a_-_aphids,erwin-chargaff-showed-that-the-amount-of-guanine-in-dna-is-always-equal-to-3-a_-_cytosine,in-man-the-vestigial-organ-is-3-a_-_ear-muscles,is-unguligrade_-_goat,of-all-the-excretory-products-2-c-the-principal-one-is-3-a_-_urea,relationship-between-rimoras-and-sharks-is-an-example-of-3-a_-_commensalism,taq-polymerase-is-obtained-from-3-a_-_bacteria,the-fishes-which-drink-large-amount-of-seas-water-and-excrete-concentrated-urine-are-3-a_-_bony-fishes,the-gene-pairs-which-contribute-to-wheat-grain-colour-are-3-a_-_three,the-shell-over-chick-egg-is-secreted-as-it-passes-through-3-a_-_uterus,the-simplest-form-of-learning-is-3-a_-_habituation,when-sperms-are-in-the-tubules-2-c-the-protection-and-nourishment-is-provided-by-3-a_-_sertoli-cells