Which grup possesses vessels in iths xylem ?

Which group possesses vessels in its xylem ? (a) Pteridophytes (b) Angiosperms (c) Gymnosperms (d) Both a and b

Vessels are absent in the xylem of

Vessels are absent in the xylem of

Vessels are absent in the xylem of

Vessels are absent in the xylem of