Plamt Cell Organisation

Question 1

List the tissues that make up a leaf

Answer 1

• Epidermal
• mesophyll
• xylem
• phloem

Question 2

Explain how the structure of the upper epidermal tissue in a leaf is related to its function

Answer 2

• covered with a waxy cuticle helps reduce water loss

- transparent

Question 3

What is the function of the phloem?

Answer 3

To transport food substances

Question 4

What is transpiration?

Answer 4

Loss of water from the plant

Question 5

How could you measure the rate of transpiration?

Answer 5

With a potometer

Question 6

Name the type of cell that helps open and close stomata

Answer 6

Guard cells

Question 7

Describe the characteristics of a meristem tissue

Answer 7

Meristem tissue is found at the growing tips of roots and shoots and is able to differentiate in lots of different types of plant cell

Question 8

Which layer of plant tissue contains lots of chloroplasts?

Answer 8

Palisade mesophyll tissue

Question 9

Stay at the four main factors that affect the rate of transpiration implants

Answer 9

• light intensity
• temperature
• air flow
• humidity

Question 10

Which type of plant you compounds as a basis for diffusion of gases?

Answer 10

Spongy mesophyll tissue

Question 11

Name the vessels that transport water and minerals from the roots of the plants to the leaves

Answer 11

Xylem vessels

Question 12

Describe the structure of the phloem

Answer 12

In

Question 13

Describe the structure of the xylem

Answer 13

They are made of dead cells joint end to end

with no end walls between them and therefore hold down the middle

there strengthened with a material called lignin

Question 14

Name the process of water transport through the plant

Answer 14

Transpiration

Question 15

What type of transport vessel does the cell sap come from?

Answer 15

Phloem

Question 16

Explain how the structure of the transport vessels is adapted to their function

Answer 16

There are made of columns of elongated living cells with small parts in the end walls

to allow so stop to flow through them

Question 17

Name the movement of cells sap through the plants transport vessels

Answer 17

Translocation

Question 18

Epidermal tissue

Answer 18

This covers the whole plant

Question 19

Palisade mesophyll tissue

Answer 19

This is the part of the leaf when was photosynthesis happens

Question 20

Spongy mesophyll tissue

Answer 20

This is also in the leaf and contains biggest basis to allow gases to diffuse in and out of

Question 21

Xylem and phloem

Answer 21

They transport things like water minerals and food around the plant

Question 22

Meristem tissue

Answer 22

This is found at the growing tips of shoots and roots and is able to differentiate into lots of different types of plant cell allowing the plant to grow

Question 23

How is the palisade layer adapted to its function?

Answer 23

It has lots of chloroplasts

this means they are new to the top of the plant where they can get me a

Question 24

What do Phloem tubes transport?

Answer 24

Food

Question 25

What do xylem tunes take up ?

Answer 25

Water

Question 26

What is phloem tube made of

Answer 26

Columns of elongated living cells with small paws in the end walls to allow cells up to flow through

Question 27

What is the transpiration stream?

Answer 27

The movement of water from the roots through the xylem and out of the leaves

Question 28

What is translocation

Answer 28

The transport of food substances made in the leaves to the rest of the plant for immediate use of storage

in both directions

Question 29

What causes transpiration?

Answer 29

Evaporation and diffusion of water from a plant service

Question 30

How does light intensity affect the rate of transpiration?

Answer 30

The brighter the light the greater the rate of transpiration

Question 31

How does temperature affect the rate of transpiration?

Answer 31

The warmer it is the faster transpiration happens

because the water particles have more energy to evaporate and a fuse out of the stigmata

Question 32

How does airflow affect the rate of transpiration?

Answer 32

The better the airflow around the leaf the greater the transpiration rate

Question 33

How does humility affect the rate of transpiration?

Answer 33

That Drier the air around and leave the faster transpiration happens