Which of the following microbes involve in the nitrification process?
Nitrosomonas is responsible for the oxidation of ammonia to nitrite, and Nitrobacter oxidizes nitrite to nitrate.
Three of the following four word pairs are alike and thus form a group. Select the word pair that does NOT belong to that group.
Read the given statements and conclusions carefully, Assuming that the information given in the statements is time, even if it appears to be at variance...
Which of the following letter-clusters will replace the question mark (?) in the given series?
RI, PK, LO, FU, XC, ?
Select the option that is related to the third word in the same way as the second word is related to the first word.
Rupee : Currency : : Summer : ?
8 is related to 88 following a certain logic. Following the same logic, 11 is related to 121. To which of the following is 15 related to, following the ...
Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series.
_FFEF _ _FF _ F_
The figures given below show the sequence of folding a piece of paper and the method of cutting the folded paper. What will the paper look like when it ...
Choose the next number in the series.
15, 46, 77, 108, 139,?
Six friends are sitting in a circle facing the centre of the circle. Veena and Sadvi are the immediate neighbours of Pooja. Anil and Guna are the immedi...
