Question
Why are xylem and phloem called complex tissues? How are they different from one other?
✓
Answer
Both xylem and phloem consist of more than one type of cells, which coordinate to perform a common function.
|
Xylem
|
Phloem
|
|
Consists of tracheids, vessels, xylem, parenchyma and xylem fibers.
|
Consist of sieve tubes, comanion cell, phloem parenchyma and phloem fibers.
|
|
They transport water and minerals vertically from soli to parts of plant.
|
They transport parensport food from leaves tp other parts of the plant.
|
|
Most of the cells except xylem parenchyma are dead cells.
|
Most of the cells except phloem fiberes are living cells.
|
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A ball of mass $200g$ falls from a height of $5$ metres. What is its kinetic energy when it just reaches the ground$? (8 = 9.8m/s$).
→What are the different means by which infectious diseases are spread?
Which system of our body is activated in response to infection and how it responds?
A stone is dropped from a $100 m$ high tower. How long does it take to fall?
$a.$ the first $50 m$ and
$b.$ the second $50 m .$
→$a.$ the first $50 m$ and
$b.$ the second $50 m .$
What is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in: $(a)$ a city $(b)$ a village $(c)$ a bare room $(d)$ a furnished room.
→Explain in detail about vaccination along with its history.
An elephant weighing $40,000\ N$ stands on one foot of area $1000\ cm^2$ whereas a girl weighing $400\ N$ is standing on one ‘stiletto’ heel of area $1\ cm^2.$
→
- Which of the two, elephant or girl, exerts a larger force on the ground and by how much?
- What pressure is exerted on the ground by the elephant standing on one foot?
- What pressure is exerted on the ground by the girl standing on one heel?
- Which of the two exerts larger pressure on the ground: elephant or girl?
- What is the ratio of pressure exerted by the girl to the pressure exerted by the elephant?
How many grams of magnesium will have the same number of atoms as $6$ grams of carbon$?$
$(Mg = 24u; C = 12u)$
→$(Mg = 24u; C = 12u)$
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
What is endoplasmic reticulum? Give its types and functions.