Bacteria responsible for oxidizing NO2-, NO3-in soils is __ ?
Nitrosomonas and Nitrobacter are chemoautotrophic organisms found in soil and water, and are responsible for the oxidation of ammonium to nitrite (Nitrosomonas) and nitrite to nitrate (Nitrobacter).
There are (m + 4) red roses, (m + 11) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/16, then find the valu...
If A and B are any two events such that P (A) + P (B) − P (A ∩ B) = P (A), then
The probability of selecting a rotten apple randomly from a heap of 350 apples is 0.18. What is the number of rotten apples in the heap?
...A bag has 7 pink, 4 black and 3 yellow balls while another bag has 5 pink, 6 yellow and 3 blue balls. A bag is selected at random and a ball drawn out ...
If a coin is tossed 10 times then what is the probability of getting three heads?
Two hats are picked at random, what is the probability that all hats are of green colour?
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
Roger Federer play 3 sets of a tennis match. The probability of his winning the three sets are 1/9,1/4,3/4 respectively. What is the probability that he...
5 coins are tossed together. What is the probability of getting exactly 3 tails?
When two dice are thrown, what is the probability that sum of the number appeared is 4 or 5?
