Biology Who discovered the insecticidal properties of DDT R.H. Painter Rachel Carson Paul Muller Othmanzedicer R.H. Painter Rachel Carson Paul Muller Othmanzedicer ANSWER DOWNLOAD EXAMIANS APP
Biology Plants utilise ________ from the atmosphere for photosynthesis Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Biology What is the unit of heredity? Cell Gene All of these Blood Cell Gene All of these Blood ANSWER DOWNLOAD EXAMIANS APP
Biology Oral pills of birth control prevent Entery of sperm in uterus Ovulation Fertilization Pregnency Entery of sperm in uterus Ovulation Fertilization Pregnency ANSWER DOWNLOAD EXAMIANS APP
Biology Organisms which synthesise their own food are called Auxotrophs Saprotrophs Heterotrophs Autotrophs Auxotrophs Saprotrophs Heterotrophs Autotrophs ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following parts of human brain is the regulating centre for swallowing and vomiting? Cerebrum Medulla oblongata Cerebellum Cortex Cerebrum Medulla oblongata Cerebellum Cortex ANSWER DOWNLOAD EXAMIANS APP