List of top Questions asked in GATE Environmental Science and Engineering

Which one of the following conversions belongs to nonsymbiotic nitrogen fixation?

Hardness in water is NOT caused by ______

Rod shaped bacterial cells are called _______.

Ten cards in a pack are numbered as 1, 2, 3, . . .10. The probability of drawing a card with an even number or a number which is a multiple of 5 from the pack is

The maximum coordination number of $Sn^{4+} is _____.