Chemistry Pyrethrin used in mosquito coil is obtained from A fungus A seed plant An insect A bacterium A fungus A seed plant An insect A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Hydrogen Nitrogen Helium Methane Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Formic acid Acetic acid Butyric acid Caproic acid Formic acid Acetic acid Butyric acid Caproic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 10-15% 3-5% 0.02 7-9% 10-15% 3-5% 0.02 ANSWER DOWNLOAD EXAMIANS APP