Question Detail Venom of cobra attacks on ? Digestive systemNervous systemCirculatory systemRespiratory system Answer: Option C Similar Questions : 1. Fungi are always ? hetrotrophicsaprophyticautotrophicparasitic Answer: Option A 2. Bronchitis is a disease of ? BloodBladderRespiratory tractLiver Answer: Option C 3. In a human body, the basic building block are MusclesNervesCellsBones Answer: Option C 4. Venom of cobra attacks on ? Digestive systemNervous systemCirculatory systemRespiratory system Answer: Option C 5. Placenta is the structure formed : by fusion of germ layersby foetus onlyby the union of foetal and uterine tissueby uterine only Answer: Option C Read more from - Biology Questions Answers