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Which of the following legume crop does not fix atmospheric nitrogen through symbiotic N. fixation?
Given below are quantities named A,B and C. Based on the given information, you have to determine the relation between the quantities. You should use the given data and your knowledge of mathematics to choose among the possible answer. Akash’s present age is six years less than Badshah’s age after nine years. The ratio of present age of Badshahand RAFTAAR is 5:9. Raftaar is 21 years younger than Denny and Denny is three years older than Honey. Square of the Honey’s present age is 1350 more than 15 times of Honey’s present age? Quantity A: What is the difference between AKASH’s present age and HONEY’s age after 16 years? Quantity B: After 6 years Mankirat’s age is twice that of Akash’s present age. Diljeet’s present age is 3.5 times of 25% of sum of present age of Mankirat and A. What is the present age of Diljeet? Quantity C: Twice of A’s present age is eight years more than that of Babbu’spresent age, then find the Babbu’s present age?
A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Lichen is a natural indicator of air pollution. Select the correct statement about lichen: A. They show symbiotic relationships B. They are made up of algae and bacteria C. They are natural indicators of SO2 D.  They also help in nitrogen fixation
Statement A: Legume–bacteria relationship is an example of symbiotic biological nitrogen fixation. Statement B: The association is represented by formation of root knots.
Which symbiotic bacterium is responsible for nitrogen fixation?
Which of following plants do NOT fix atmospheric nitrogen due to a mutualistic symbiotic relationship with rhizobia bacteria found in their root nodules?
Consider the following statements: 1. Ammonia nitrogen is a measure of nitrogen present as ammonium hydroxide and ammonium salts. It will progressively decrease as sewage gets treated. 2. Organic nitrogen is the total nitrogenous matter in sewages excepting that present as ammonia nitrogen, nitrites and nitrates. It becomes ammonia in anaerobic decomposition and nitrites or nitrates in aerobic decomposition. Which of the above statements is/are correct?
Which of the following is correct with regarding the formation of Nitrogen? I. Nitrogen is obtained by liquefaction and fractional distillation of air. II. Nitrogen is obtained by reacting an aqueous solution of Ammonium chloride with Sodium Nitrite. III. Decomposition of Sodium or Barium Azide at high-temperature results in the formation of pure Nitrogen. IV Nitrogen is not soluble in water.
Solution of nitrogen in liquid iron may be assumed to follow Sievert's law. Nitrogen content of liquid iron. at 1873K in equilibrium with 1 atm pressure of nitrogen is measured as 0.044 (mass %). What will be the equilibrium nitrogen content in liquid iron (mass%), if nitrogen pressure is reduced to 0.25 atm?