Question Detail Leukemia is a disease of the ? lungsbloodliverbrain Answer: Option B Similar Questions : 1. The quantity of human blood is what percent of total weight ? 5%6%7%8% Answer: Option C 2. Venom of cobra attacks on ? Digestive systemNervous systemCirculatory systemRespiratory system Answer: Option C 3. Name of the first successfully cloned deer ? DrewnDeweyDrararDelor Answer: Option B 4. Pigmentation of skin is due to : leucocytes lymphocytes monocytesmelanocytes Answer: Option D 5. Photosynthesis generally takes place in which parts of the plant? Steam and leafLeaf and other chloroplast bearing plantsBark and leafRoots and chloroplast bearing plants Answer: Option B Read more from - Biology Questions Answers