Trophophase 
Trophophase is the growth phase of an organism, during which the cell division supports the physiological function as well as overall growth. This phase is characterized by rapid cell division and high nutrient consumption.
In this phase the organism produces some metabolites called as Primary Metabolites.

Idiophase 
Idiophase is the phase of an organism's growth cycle during which it produces secondary metabolites. 
Secondary metabolites are compounds that are not essential for cell growth or survival, but may play a role in defense, communication, or other functions.

CharacteristicTrophophaseIdiophase
PurposeAccumulate biomassProduce secondary metabolites
Nutrient consumptionHighLow
Cell divisionRapidSlow or absent
TimingTypically follows the trophophaseCan overlap with the trophophase
ImportanceEssential for cell growth and survivalNot essential for cell growth or survival, but may be of economic or industrial importance


Write difference of C3 & C4 plants with examples.

CharacteristicC3 plantsC4 plants
Carbon fixation pathwayCalvin cycleHatch-Slack pathway
Photosynthetic efficiencyLowerHigher
Climate preferenceTemperateHot, dry        
ExamplesWheat, rice, soybeans, potatoes, spinachCorn, sugarcane, sorghum, millet

 



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