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OCR A level Biology Plant Transport Tissues Flashcards | StudBud
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OCR A level Biology Plant Transport Tissues
OCR A level Biology Plant Transport Tissues
20 terms
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Structure and function of plant transport tissues plus some recap questions
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
If the length of the bar in the image is 17cm, what is the magnification?
x 1700
x17000000
x 17000
x 170000
2
Which letter is the epidermis?
D
A
B
C
3
Which of these is present in animal cells but not plant cells?
Nucleolus
Golgi apparatus
Smooth ER
Centrioles
4
What type of tissue makes the ring of red tissue in the image?
Xylem
Epidermis
Endodermis
Phloem
5
What is the waterproof substance in the walls of xylem vessels?
Lipase
Lignin
Ligase
Lanolin
6
Which substances are carried in the xylem?
Water and nutrients
Water and mineral ions
Water and lignin
Water and assimilates
7
What is phloem tissue made of?
Sieve tube elements and tracheids
Compartment cells and sieve tube elements
Sieve tube elements and companion cells
Companion cells and tracheids
8
Which of these is not an adaptation of companion cells?
Many plasmodesmata
Large nucleus
Microvilli to increase the surface area
Lots of mitochondria
9
Which tissue contains sieve plates?
Xylem
Endodermis
Phloem
Cambium
10
What is the function of bordered pits?
So they can be blocked by callose
To allow water to move between xylem vessels
To allow oxygen to diffuse in
To add strength to the xylem
11
Which letter is the phloem tissue?
B
C
D
A
12
Which tissue is labelled A?
Endodermis
Xylem
Phloem
Epidermis
13
What is the name of tissue B?
Cambium
Phloem
Endodermis
Xylem
14
Which tissue contains bordered pits?
Phloem
Endodermis
Collenchyma
Xylem
15
Xylem tissue is living
False
True
16
What part of the plant is this from?
Leaf
Flower
Root
Stem
17
Why do multicellular plants need a vascular system?
Plants do not have a heart
Oxygen needs cannot be met by diffusion
Because diffusion alone would not meet requirements for sugars and water
They have a high surface area: volume ratio
18
What is the function of plasmodesmata?
They help to strengthen xylem
They are pores in the nuclear envelope
It is the membrane around the vacuole
Allow cytoplasm to be continuous between adjacent cells.
19
What type of transport tissue is shown in the diagram below?
Phloem
Root hair cell
Sieve tube elements
Xylem
20
Which part of the plant is this from?
Root
Leaf
Stem
