Biology Lederberg and Tatum demonstrated conjugation in the bacteria 1946 1945 1944 1947 1946 1945 1944 1947 ANSWER DOWNLOAD EXAMIANS APP
Biology Who discovered the insecticidal properties of DDT Othmanzedicer Rachel Carson Paul Muller R.H. Painter Othmanzedicer Rachel Carson Paul Muller R.H. Painter ANSWER DOWNLOAD EXAMIANS APP
Biology Through Nitrogen fixation process nitrogen in the atmosphere is converted into Nitrate Chlorite Ammonium Hydroxide Nitrate Chlorite Ammonium Hydroxide ANSWER DOWNLOAD EXAMIANS APP
Biology Which one is the longest bone in human body Fibula Radius Tibia Femur Fibula Radius Tibia Femur ANSWER DOWNLOAD EXAMIANS APP
Biology Which one among the following is the hardest part of our body ? Enamel of teeth Thumb nails Skull bones of head Spinal vertebra Enamel of teeth Thumb nails Skull bones of head Spinal vertebra ANSWER DOWNLOAD EXAMIANS APP
Biology Who gave the term "Antibiotics" Woodruff Darwin Selman Waksman Flemming Woodruff Darwin Selman Waksman Flemming ANSWER DOWNLOAD EXAMIANS APP