Usman

Category: Learn Botany Glossary

  • Nitrogen fixation

    {“group”:”Physiology”,”term”:”Nitrogen fixation”,”exam”:”Plants do not fix N2 themselves; they host microbes or take up nitrate/ammonium.”}

  • Vernalization

    {“group”:”Physiology”,”term”:”Vernalization”,”exam”:”Cold treatment, not drought.”}

  • Embryo sac

    {“group”:”Reproduction”,”term”:”Embryo sac”,”exam”:”Memorise 7 cells, 8 nuclei (Polygonum type).”}

  • Species

    {“group”:”Taxonomy”,”term”:”Species”,”exam”:”Hierarchy: kingdom, division, class, order, family, genus, species.”}

  • Pteridophyte

    {“group”:”Major groups”,”term”:”Pteridophyte”,”exam”:”Seedless but vascular: between bryophytes and gymnosperms.”}

  • Gene

    {“group”:”Genetics”,”term”:”Gene”,”exam”:”Mendel’s factors are genes.”}

  • Cortex

    {“group”:”Anatomy”,”term”:”Cortex”,”exam”:”Pith is inside the vascular ring; cortex is outside.”}

  • Vascular bundle

    {“group”:”Anatomy”,”term”:”Vascular bundle”,”exam”:”Open = secondary growth possible; closed = no fascicular cambium.”}

  • Root hair

    {“group”:”Morphology”,”term”:”Root hair”,”exam”:”They are epidermal cells, not cortical cells.”}

  • Osmosis

    {“group”:”Physiology”,”term”:”Osmosis”,”exam”:”Water potential psi = solute potential + pressure potential.”}