Question
Which one of the following is aerobic asymbiotic
N₂-fixing bacteria?Solution
Azotobacter is a genus of free-living bacteria that can fix atmospheric nitrogen in the absence of a symbiotic relationship with plants. It is capable of carrying out nitrogen fixation aerobically, meaning it can fix nitrogen in the presence of oxygen.
The respective ratio of monthly income of A to monthly income of B is 6:7, and A’s saving is (100/7)% more than B’s saving. Find the expenditure of ...
- A laptop’s price increases by 7% annually. If its present price is ₹50,000, what will be the price after 2 years?
Out of the total candidates who appeared for an interview consisting of only a GD round and a Technical round:
65% of cand...
Rani appeared for an examination which had four papers, with the weightage of the four papers being in the ratio 1:2:3:x She secured 60 percent marks i...
A bag contains 550 coins of 25p denomination and 1100 coins of 50p denominations. If 11% of 25p coins and 22% of 50p coins are removed, the percentage o...
The ratio of the salary of K and L is 4:5. The salary of M is 50% of the sum of salary of K, L, and M. If the salary of M and sum of the salary of K, L,...
Ajay spent 35% of his monthly income on rent and 48% of the remaining on food and the rest amount is saved by him which is Rs. 2873, then find the month...
A scored 38% marks and failed by 40 marks whereas B scored 68% marks, which was 50 more than the passing marks of the examination. Find the total marks ...
- A town had 30,000 people in 2010. In 2011, the population rose by 25%, dropped by 20% in 2012, and rose again by 10% in 2013. Find the population at the en...
In a test, P got 26% of total marks and failed by 30 marks while Q got 46% of total marks which is 24 more than passing marks. Find the total marks of t...
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