Loading
Please wait while we prepare everything for you
Loading
Please wait while we prepare everything for you
Mineral Nutrition explores how plants function as sophisticated metabolic bio-factories, absorbing inorganic ions from the soil solution to construct vital cellular machinery. Mastery over this chapter relies on understanding the essentiality criteria formulated by Arnon and Stout, distinguishing between macronutrients () required at of dry matter and micronutrients () needed in trace amounts (). NEET frequently targets the exact physiological roles of ions (like in chlorophyll rings and in auxin synthesis), deficiency pathologies such as chlorosis vs necrosis, and the bio-energetics of nitrogen metabolism via the enzyme complex. Conceptual precision regarding mobile versus immobile elements prevents easy traps.
Confusing deficiency symptoms of mobile elements () with immobile elements ().
Misinterpreting Manganese () toxicity symptoms as pure manganese excess.
Assuming Nitrogenase operates efficiently in aerobic conditions.
Questions Asked: 2
Topics: Biological Nitrogen Fixation, Essentiality Criteria & Functions
Questions Asked: 1
Topics: Deficiency Symptoms & Toxicity
Questions Asked: 2
Topics: Roles of Micronutrients, Hydroponics & Nitrogenase
In biological nitrogen fixation, how many molecules are directly consumed for the reduction of one molecule of atmospheric nitrogen () into two molecules of ammonia () by the enzyme ?
Write down the balanced stoichiometric equation for biological nitrogen fixation catalyzed by nitrogenase: .
Observe that for every mole of reduced into moles of , a total of electrons and molecules are required.
Conclude that molecules are consumed per molecule of fixed (or per molecule of produced).
Which set of micro-nutrients is explicitly essential for the catalytic splitting of water () during the light reaction of photosynthesis?
Identify the oxygen-evolving complex (OEC) associated with Photosystem II in chloroplasts.
The photolysis reaction requires oxidation state transitions mediated by Manganese () alongside Chlorine () and Calcium ().
Select the option containing and as the crucial micronutrient catalysts.
If you want to explore more chapters of Biology then:
Click HereBoron () is required as or for membrane functioning, pollen grain germination, cell elongation, cell differentiation, and specifically for the translocation of sugars via carbohydrate-borate complexation across phloem tissue.
Free is toxic to plants because it uncouples photosynthetic phosphorylation. Plants rapidly assimilate into amino acids via Reductive Amination using and Transamination reactions, or store excess nitrogen as amides like Glutamine and Asparagine which have a high ratio.
Accelerate your rank with full-length mock tests, bite-sized Guided Flow learning modules, and AI-powered performance analytics.