- Plants absorb nitrogen mainly as nitrate (NO3-) and ammonium (NH4+) ions from the soil. - These ions are products of nitrogen fixation and nitrification processes in the soil.
Nitrogen is taken by plants in the form of
Asked in JPSC CS Prelims 2021 · Topic: Plant Nutrition (Nitrate Assimilation and Ammonification)
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- Ǔनम्न कथनों पर ͪवचार कीǔजए : i. नाइǑट्रिͩफके शन एक प्रͩक्रया है ǔजसमें नाइट्रिेट्स का रूपांतरण नाइट्रिोजन में होता है। ii. डिीनाइǑट्रिͩफके शन एक प्रͩक्रया है ǔजसमें नाइट्रिोजन का रूपांतरण नाइट्रिेट्स में होता है। iii. न्यूक्लीक अम्ल (DNA और RNA) में नाइट्रिोजन है। iv. वायुमंडिलीय ǒबजली/तͫड़त के दौरान वायु के अंदर की नाइट्रिोजन का रूपांतरण नाइट्रिोजन के ऑक्साइडि में होता है। v. मूल ͧशंब (root legumes) में नाइट्रिोजन यौͬगकीकरण जीवाणु मौजूद होते हैं। सही कथन का चयन कीǔजए :
- Consider the following statements:- i. Nitrification is a process in which nitrates are converted to nitrogen. ii. Denitrification is a process in which nitrogen is converted into nitrates. iii. Nucleic acids (DNA and RNA) contain nitrogen. iv. During atmospheric lightening, nitrogen in the air gets converted into oxides of nitrogen. v. Nitrogen fixing bacteria are present in root legumes. Choose the correct statement(s) :
- A biological process by which nitrate is converted into nitrogen gas is called