Tracheids differ from other tracheary elements in
having casparian strips
being imperforate
lacking nucleus
being lignified.
Main water conducting element of xylem in homoxylous plants is
Which of the following have sunken stomata?
Assertion : Thick cuticle is mostly present in disease resistant plants.
Reason : Disease causing agents cannot grow on cuticle and cannot invade the cuticle
Specialised epidermal cells surrounding the guard cells are called
Protosteles are found in