MCQs On Man and His Environment

Sarcoplasm has red pigment………. a Actin b Myosin c Hemoglobin d Myoglobin   Tendons are composed of protein………… a Collagen b Myoglobin c Myosin d Actin   Bio conversion is digestion of wastes by bacteria which produce ? Propane Butane Methane Ethane The chemical wastes from industry are called ? Effluent Sewage Emission Garbage The…