Botany - Mineral Nutrition Question with Solution | TestHub
BotanyMineral NutritionNitrogen MetabolismEasy2 minPYQ_2020
BotanyEasysingle choice
Which of the following species does not have the ability to fix atmospheric nitrogen?
Options:
Answer:
B
Solution:
Nitrogen fixation is carried by prokaryotic cells, bacteria and cyanobacteria having Nif gene. Nif gene produces an enzyme nitrogenase which carries out nitrogen fixation.Spirogyra is a green algae that lacks nif gene thus cannot carry out nitrogen fixation.
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Mineral NutritionSubtopic:Nitrogen Metabolism
⏱ 2mℹ️ Source: PYQ_2020
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