Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Saccharomyces cerevisiae Pseudomonas putida Bacillus subtilis Escherichia coli Saccharomyces cerevisiae Pseudomonas putida Bacillus subtilis Escherichia coli ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Ammonium Nitrate Urea Uric Acid Ammonia Ammonium Nitrate Urea Uric Acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Volta Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Ionosphere Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
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