Plant Systems

Question 0

What are the cell walls of Xylem made from?

Answer 0

A hard substance called Lignin

Question 1

What is a Xylem Tissue?

Answer 1

Xylem tissues are one of the two types of tissues that provide structural support for a plant. It is a conducting tissue and it is joined end to end to for hollow tubes through which the plant can transport water

Question 2

What does a plants Internal System do?

Give some Examples

Answer 2

They are required to carry out activities within the plant, examples include:

• Obtaining Gases from Atmosphere
• Obtaining Nutrients from surroundings
• Removing Waste
• Responding to Internal and External Environmental Changes

Question 3

What is Tropism?

Answer 3

The growth response either towards or away from a stimulus

Question 4

What is a Stimulus?

Answer 4

A thing or event that evokes a specific functional reaction in an organ or tissue.

Question 5

What is Phototropism?

Answer 5

A plants response to Light

Question 6

What is Chemotropism?

Answer 6

A plants response to Chemicals

Question 7

What is Thermotropism?

Answer 7

A plants response to Cold weather

Question 8

What is Heliotropism?

Answer 8

A plants response to Sunlight

Question 9

What is Geotropism?

Answer 9

A plants response to gravity

Question 10

What is Thigmotropism ?

Answer 10

A plants response to Touch

Question 11

What is Hydrotropism?

Answer 11

A plants response to Water

Question 12

What is Stereotropism?

Answer 12

A plants response to Contact

Question 13

What controls a plants response to stimuli?

Answer 13

Hormones called Auxins

Question 14

What is the process called through which plants make their own food?

Answer 14

Photosynthesis

Question 15

What is the word equation for photosynthesis?

Answer 15

Carbon Dioxide + Water + Sunlight = Glucose + Oxygen

Question 16

Write the symbolic equation for Photosynthesis

Answer 16

6CO2 + 6H2O > C6H12O6 + 6O2

Question 17

Why are plant leaves green?

Answer 17

Due to Chlorophyll

Question 18

What does Chlorophyll do?

Answer 18

It absorbs energy from the sunlight

Question 19

What is the plants transport system called?

Answer 19

Vascular System

Question 20

What is the Vascular System made up of?

Answer 20

Two types of tissues, the xylem and the phloem

Question 21

What does the Xylem tissues do?

Answer 21

Carries water and minerals to all cells in the plant from the roots.

Question 22

What does a Phloem tissue do?

Answer 22

Carries nutrients from the cells in the leaves to other parts of the plants

Question 23

What is it called when xylem and phloem are bundled together?

Answer 23

Vascular Bundles

Question 24

What are Vascular Bundle separated by?

Answer 24

A layer of Cambium Cells

Question 25

What are Cambium Cells able to do?

Answer 25

They are able to become new xylem and phloem when needed

Question 26

What are the small holes in leaves called?

Answer 26

Stomata

Question 27

What is the water loss through stomata called?

Answer 27

Transpiration

Question 28

What is the process of the transfer of water in a plant called?

Answer 28

Osmosis

Question 29

What to leaves do?

Answer 29

Make Sugar and Starch
Allow gas exchange
Transpire or give off water

Question 30

What do flowers do?

Answer 30

Produce seeds

Question 31

What do seeds do?

Answer 31

Grow into plants

Question 32

What do stems do?

Answer 32

Conduct sugar and water
Display leaves for photosynthesis
Transpire or give off water

Question 33

What do roots do?

Answer 33

Anchor plants
Absorb water
Conduct water up and sugars down