10th Class Biology Past Paper MCQS 2020 Group 2 Test DG Khan Board

abiotic-component-of-ecosystem-is-3-a_-_oxygen,for-all-ecosystems-the-basic-source-of-energy-is_-_sun,in-mammals-the-number-of-bones-in-lower-jaw-3-a_-_one-bone,length-of-spinal-cord-is-3-a_-_20-cm,male-reproductive-part-of-flower-is-called-3-a_-_stamen,mescaline-is-obtained-from-a-plant-3-a_-_cactus,normal-urine-contains-amount-of-urea-3-a_-_9-3-g-2-fl,number-of-pairs-of-spinal-nerves-arising-along-spinal-cord-of-human-is-3-a_-_31,the-myelin-sheath-is-secreted-by-3-a_-_schwann-cells,when-was-the-complete-map-of-human-genome-published-3-a_-_2002,which-kind-of-blood-vessels-is-present-around-the-alveoli-3-f_-_capillary,which-relationship-is-found-in-alleles-of-blood-groups-i-3-csup-3-ea-3-c-2-fsup-3-e-and-i-3-csup-3-eb-3-c-2-fsup-3-e_-_codominance