AP BIOLOGY

PLANTS

PLANT TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which cell does not have perforated cell wall?
A
Tracheids
B
Companion cells
C
Sieve tubes
D
Vessels
Explanation: 

Detailed explanation-1: -Final Answer: Tracheids do not have perforated cell walls.

Detailed explanation-2: -As we already mentioned, companion cells have plasmodesmatal connection with sieve tubes and plasmodesmatal connection itself means they have pores in the cell wall. So, companion cells have perforated cell walls.

Detailed explanation-3: –Phloem cells – These contain nutrient transporting cells. Phloem tissue consists of two types of cells, sieve tubes and companion cells and both have perforated cell walls.

There is 1 question to complete.