Question

essential nutrients absorbed as: NO3-, NO2- , NH4+.required by meristematic tissue and metabolically active cellsmain constituent of amino acids, nucleic acids, vitamins, hormones absorbed as: H2PO4- or HPO42--cell membranes, proteins, all nucleic acids, nucleotides, phosphorylation (ATP) absorbed as: K+ -anion-cation balance, protein synthesis, stomata movement, activation of enzymes, turgidity maintenance-found in meristematic tissues, buds, leaves, root tips absorbed as: Ca2+ -required by meristematic and dividing tissue. cell wall synthesis: calcium pectate and middle lamella. -mitotic spindle formation, accumulates in older leaves-involved in metabolism absorbed as: Mg+-respiration, photosynthesis enzyme activation-DNA RNA synthesis-ring structure of chlorophyll-maintains ribosome structure-Mg2+ is an activtor for RuBisCO and PEPCase absorbed as: SO42- present in amino acids cysteine and methioninecoenzymes, vitamins (thiamine, biotin, CoA enzyme, ferredoxin absorbed as: Fe3+-required in larger amts in micronutrients, important protein constituent, transfer of electrons like ferredoxin and cytochromes-reversibly oxidised from Fe2+ to Fe3+ during ETC.-activates catalase enzyme-important for chlorophyll formation absorbed as:Mn2+activates enzymes for photosynthesis, respiration, nitrogen metabolism-splits water to liberate oxygen  absorbed as: Zn+ activates enzymes (esp. carboxylases)-auxin synthesis Zn 2+ is an activator of alcohol dehydrogenase  absorbed as: Cu2+ metabolism, associated with enzymes in redox reactions. oxidises from Cu+ to Cu2+

Accepted Answer

Nitrogen Phosphorus Potassium Calcium Magnesium Sulphur Iron Manganese Zinc Copper

Subject	essential nutrients
Q1	Nitrogen
Q1 Answer	absorbed as: NO₃^-, NO₂^-, NH₄⁺. required by meristematic tissue and metabolically active cells main constituent of amino acids, nucleic acids, vitamins, hormones
Q2	Phosphorus
Q2 Answer	absorbed as: H₂PO₄^- or HPO₄^2- -cell membranes, proteins, all nucleic acids, nucleotides, phosphorylation (ATP)
Q3	Potassium
Q3 Answer	absorbed as: K⁺ -anion-cation balance, protein synthesis, stomata movement, activation of enzymes, turgidity maintenance -found in meristematic tissues, buds, leaves, root tips
Q4	Calcium
Q4 Answer	absorbed as: Ca²⁺ -required by meristematic and dividing tissue. cell wall synthesis: calcium pectate and middle lamella. -mitotic spindle formation, accumulates in older leaves -involved in metabolism
Q5	Magnesium
Q5 Answer	absorbed as: Mg⁺ -respiration, photosynthesis enzyme activation -DNA RNA synthesis -ring structure of chlorophyll -maintains ribosome structure -Mg²⁺ is an activtor for RuBisCO and PEPCase
Q6	Sulphur
Q6 Answer	absorbed as: SO₄^2- present in amino acids cysteine and methionine coenzymes, vitamins (thiamine, biotin, CoA enzyme, ferredoxin
Q7	Iron
Q7 Answer	absorbed as: Fe³⁺ -required in larger amts in micronutrients, important protein constituent, transfer of electrons like ferredoxin and cytochromes -reversibly oxidised from Fe²⁺ to Fe³⁺ during ETC. -activates catalase enzyme -important for chlorophyll formation
Q8	Manganese
Q8 Answer	absorbed as:Mn²⁺ activates enzymes for photosynthesis, respiration, nitrogen metabolism -splits water to liberate oxygen
Q9	Zinc
Q9 Answer	absorbed as: Zn⁺ activates enzymes (esp. carboxylases) -auxin synthesis Zn 2⁺ is an activator of alcohol dehydrogenase
Q10	Copper
Q10 Answer	absorbed as: Cu²⁺ metabolism, associated with enzymes in redox reactions. oxidises from Cu⁺to Cu²⁺

Absorbed Meristematic Acids Fe Enzymes Cu Nitrogen Amino