Which bacterium is responsible for denitrification in N2 cycle?
Denitrifying bacteria , microorganisms whose action results in the conversion of nitrates in soil to free atmospheric nitrogen, thus depleting soil fertility and reducing agricultural productivity.
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
BOY, FMU, ?, NIM, RGI
Three of the following are alike in a certain way and one is different. Pick the one that is different from the rest.
Four words have been given, out of which three are alike in some manner and one is different. Select the one that is different.
If 84 × 13 = 8, 37 × 13 = 6, 26 × 11 = 6, then 56 × 22 = ?
After the mid-term examination Rupesh ranked 10th from the top and Rachit ranked 21st from the bottom. If Rachit performed better than Rupesh and six st...
Raman and his sister Shikha study in the same class. Raman's rank in an examination is 11th from the bottom and Shikha's rank in the same examination is...
Select the Venn diagram that best illustrates the relationship between the following classes.
Clothes, Shirts, Linen
Clothes = C
Sh...
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
(6, 4, 6)
(18, 9, 13)
(8, 6, ...
If the signs ‘+’ and ‘÷’ are interchanged, then which of the following equations can be correctly balanced?
Select the number from among the given options that can replace the question mark (?) in the following series.
337, 354, 373, 394, 417, ?
