Which one has perforated wall ______________.
Why are perforated walls present in sieve tubes which is a part of phloem?
Question 46 Fill in the blanks (a) Cork cells possess ___ on their walls that makes it impervious to gases and water. (b) ___ have tubular cells with perforated walls and are living in nature. (c) Bone possesses a hard matrix composed of ___ and ___.
Question 4 Which cell does not have perforated cell wall? (a) Tracheids (b) Companion cells (c) Sieve tubes (d) Vessels