3911. What is the plane of contact of the troposphere and stratosphere?
Tropopause
3912. Italian (Venetian) traveller Marcopolo reached Kerala in ?
1292 AD(13th Century).
3913. The viruses eating (destroying) bacteria and were invented by d'Herelle ?
Bacteriophages
3914. Who is the author of “Bang-e-dara”?
Mohd. Iqbal
3915. Deficiency of insulin leading to excess sugar in the blood and this sugar is excreted in the urine. This disease is known as ?
Diabetes mellitus (hyperglycemia)
3916. Which rulers held a religious assembly at Prayag every five years?
Harshavardhana
3917. Largest existing Land animal?
Elephant
3918. Which sector is the largest emitter of greenhouse gases in India?
Electric power generation
3919. If a proton of mass m is moving with velocity of light, how will its mass?
Unchanged
3920. Feroz Gandhi Award, is given for outstanding performance in which field?
Journalism