Protoxylem and metaxylem are types of which of the following?

  • A
    Primary xylem
  • B
    Secondary xylem
  • C
    Primary phloem
  • D
    Secondary phloem

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Similar Questions

The gritty texture of the edible part of a pear is due to the presence of which of the following?

Write a note on complex tissues.

Thick-walled and lignified with simple pits in walls and non-prosenchymatous cells without living protoplasm, usually isodiametric or irregular in shape, are:

$A$ : Sieve tubes and companion cells are related ontogenetically.
$R$ : Both develop from same mother cell.

Hard,lignified,thick-walled,long,and pointed cells in a plant are known as:

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