Questions

Which of the following is usually not an air­pollutant?

Which of the following fuel has maximum calorific value?

Raipur is the Capital City of

Blood leaving the liver and moving towards the heart has a higher concentration of _____ .

Who discovered the ABO blood group system?

Which one of the following papers was edited by Gandhiji in South Africa?

Which country has made world's first all-electric ship, which can travel up to 80 Km with 200 tons cargo after a two hour charge?

 In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

At one time, the lock industry here flourished and locks (was exported) on a major scale.