Plants

Question 1

What do guard cells do?

Answer 1

• regulate the stomata opening during daylight hours to let out CO2.
•And closes at night to retain water within the absence of light

Question 2

Word equation for photosynthesis

Answer 2

Carbon dioxide + water = glucose + oxygen

Question 3

What do root hair cells absorb?

Answer 3

•water
•minerals

Question 4

What enters the stomata?

Answer 4

CO2

Question 5

What exits the stomata?

Answer 5

Water and oxygen

Question 6

Plants have leaves which contain guard cells. Explain how each of these kinds of cells assist photosynthesis.

Answer 6

•guard cells let lots of CO2 in for photosynthesis
•palisade cells have lots of chlorophyll and chloroplasts which all assist

Question 7

How is a root hair cell’s structure link to its function?

Answer 7

•long and thin
•large surface area helps speed up absorption of water and minerals

Question 8

What is stored in the nucleus?

Answer 8

DNA

Question 9

What is a eukaryote?

Answer 9

Cell with a nucleus

Question 10

What does a mitochondria do?

Answer 10

Respiration

Question 11

What three things are in a plant cell but not an animal?

Answer 11

•vacuole
•cell wall
•chloroplasts

Question 12

What happens in the cytoplasm?

Answer 12

Chemical reaction

Question 13

Where do protein synthesis happen?

Answer 13

ribosomes

Question 14

What do chloroplast do?

Answer 14

Photosynthesis

Question 15

How do you workout magnification?

Answer 15

Image/actual size

Question 16

Why do bacteria have ribosomes but no mitochondria?

Answer 16

Won’t fit

Question 17

What does the xylem transport?

Answer 17

Water

Question 18

What does the phloem transport

Answer 18

Sugar

Question 19

What is transpiration

Answer 19

Transporting water

Question 20

What is the word for transporting water?

Answer 20

Transpiration

Question 21

What is the word for transporting sugar?

Answer 21

Translocation

Question 22

What is translocation?

Answer 22

Transporting sugar

Question 23

Why is the xylem being hollow a good feature?

Answer 23

Makes it really good at transporting

Question 24

The xylem and the phloem make up the…?

Answer 24

Stem

Question 25

Xylem or phloem? Vessels are long and thin.

Answer 25

Phloem

Question 26

Xylem or phloem? Vessels are hollow tubes like straws.

Answer 26

Xylem

Question 27

Does a xylem or phloem have a companion cell?

Answer 27

Phloem

Question 28

What does the companion cell do?

Answer 28

•makes everything the phloem needs •e.g. proteins/sugars to keep it alive •keep it living and respiring

Question 29

A phloem is made of living cells, true or false?

Answer 29

True

Question 30

Xylem or phloem? Which is made of dead cells.

Answer 30

Xylem

Question 31

Xylem or phloem have thick cell walls?

Answer 31

Xylem

Question 32

Do phloems have thin cell walls?

Answer 32

Yes. Phloems do have thin cell walls.

Question 33

Xylem or phloem have pores?

Answer 33

Phloem

Question 34

Xylem or phloem have no pores?

Answer 34

Xylem

Question 35

Xylem or phloem has no cytoplasm?

Answer 35

Xylem

Question 36

Where in the phloem is the cytoplasm found?

Answer 36

The cells which are lined with cytoplasm strands.

Question 37

What does the xylem carry and where to?

Answer 37

•carries water and mineral •to the leaf

Question 38

What does the phloem carry and where to?

Answer 38

•carries sugar •to growing parts and storage organs

Question 39

Flow is up and down in a xylem or phloem?

Answer 39

Phloem

Question 40

What is the flow like in a phloem?

Answer 40

Up and down

Question 41

Is the flow upwards in a xylem or phloem?

Answer 41

Xylem

Question 42

In a xylem the flow is?

Answer 42

Upwards

Question 43

Which has no companion cell? Xylem or phloem?

Answer 43

Xylem

Question 44

Similarity of the xylem and phloem structure?

Answer 44

•both are tubed shaped •both found in the stem

Question 45

Similarity of xylem and phloem functions?

Answer 45

•transport substances •no nucleus or mitochondria

Question 46

What is the top layer of a leaf?

Answer 46

Epidermis

Question 47

What is the adaptation of an epidermis?

Answer 47

Outer layer (like a skin) see through to let light in for photosynthesis.

Question 48

What is the adaptations of palisade mesophyll?

Answer 48

Cells with lots of chloroplasts where most of the photosynthesis happens.

Question 49

Simple definition of stomata?

Answer 49

Small holes in the leaf that open and close to let in CO2 in and oxygen out.

Question 50

Spongy mesophyll tissue adaptations?

Answer 50

Contains big air spaces to allow gases to diffuse in and out of cells

Question 51

Name the plant tissue are most photosynthesis occurs

Answer 51

Palisade mesophyll

Question 52

What is the epidermis tissue covered with?

Answer 52

Waxy cuticle

Question 53

Why is upper epidermis transparent?

Answer 53

So light can pass through it to the palisade layer

Question 54

What does the palisade layer have lots of?

Answer 54

Chloroplasts

Question 55

Where is the palisade layer and why is it there?

Answer 55

•It’s in the top of the leaf •so where it can get the most light

Question 56

What do the xylem and the phloem do together?

Answer 56

•form a network of vascular bundles •deliver water and other nutrients to the entire leaf •take away glucose produced by photosynthesis •help support the structure

Question 57

The lower epidermis is full of?

Answer 57

Stomata (little holes)

Question 58

What do the guard cells do?

Answer 58

Control the opening and closing of the stomata.

Question 59

What is a function of the air spaces in spongy mesophyll tissue?

Answer 59

To allow gas to diffuse in and out of the cells

Question 60

Where in a plant is meristem tissue found?

Answer 60

The tips of roots and shoots in between the xylem and phloem

Question 61

Explain why the upper epidermis of a leaf is transparent.

Answer 61

So the light can pass through it to the palisade layer