Zoology - Microbes in Human Welfare Question with Solution | TestHub
ZoologyMicrobes in Human WelfareBiofertilisersEasy2 minPYQ_2020
ZoologyEasysingle choice
Which one of the following can utilize molecular nitrogen (N2) as a nutrient for growth?
Options:
Answer:
A
Solution:
N2is unavailable for use by most organisms because there is a triple bond between the two nitrogen atoms, making the molecule almost inert. In order to use the nitrogen for growth, it must be "fixed" (combined) in the form of ammonium ions or nitrate ions. Some bacteria can fix atmospheric N2likeRhizobium, Azotobacter, etc.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Biofertilisers
⏱ 2mℹ️ Source: PYQ_2020
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