Biology Which of the following is true about veins? Veins have a smaller diameter lumen than arteries Veins are more muscular than arteries Veins have valves; arteries do not Veins carry blood away from the heart, while arteries carry blood to the heart Veins have a smaller diameter lumen than arteries Veins are more muscular than arteries Veins have valves; arteries do not Veins carry blood away from the heart, while arteries carry blood to the heart ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following micro-organism causes diseases like polio and chicken pox? Protozoa Virus Bacteria Algae Protozoa Virus Bacteria Algae ANSWER DOWNLOAD EXAMIANS APP
Biology It is composed of two polynucleotide chains which are coiled round each other in the form of a double helix. DNA None of these RNA Fats DNA None of these RNA Fats ANSWER DOWNLOAD EXAMIANS APP
Biology Primary phloem develops from protoderm ateral meristem extrastelar cambium . provascular tissue protoderm ateral meristem extrastelar cambium . provascular tissue ANSWER DOWNLOAD EXAMIANS APP
Biology Number of which type of WBC is greatest in blood of human Neutrophils Basiophils Lymphocytes Eosinophils Neutrophils Basiophils Lymphocytes Eosinophils ANSWER DOWNLOAD EXAMIANS APP
Biology Chromosome start separating at which stage of mitosis Early anaphase Early metaphase Early telophase Late metaphase Early anaphase Early metaphase Early telophase Late metaphase ANSWER DOWNLOAD EXAMIANS APP