An example of monocots showing secondary growth in stems is
Lilium
Cocos
Asparagus
Yucca or Dracaena
Largest number of chloroplast is found in
The cells of a meristematic tissue are characterized by
Which of the following is absent in the primary and secondary structure of stem of Pinus
$I.$ Found only in sporophytic phase of life cycle
$II.$ May contain enzymes that are biologically active
$III.$ Often contain strengthening polymers
Select the correct option for cell wall