Thylakoid

Thymine

Tissue

Tissue fluid

Totipotent

Trachea

Transcription

Transect

Transfer RNA (tRNA)

Transgenic

Translocation

Transmission

Transpiration

Triglyceride

Turgid

Ultrastructure

Uracil

Urea

Vaccine

Vacuolar pathway

Variable (dependent variable independent variable)

Variation

Vascular tissue / bundle

Vector

Vena cava

Ventilation

Ventricles

Vesicle

Villi

Vitamin

Water potential ()

Water vapour potential

Xerophyte

Xylem

Zygote