What is translocation?

When organic foods move through the phloem

In which direction does the phloem transport materials?

Up and down the plant all the time

What are some adaptations of flowering plants which live in saline soils?

Water storage tissue, thick waxy cuticle, reduced leaf area

Which technical developments have aided in the understanding of phloem transport?

Radioactive labeling and light microscopes, Light microscopes and x-ray diffraction

Plants which live in permanently dry conditions

How is water carried by the transpiration stream?

Cohesion, adhesion and transpiration pull

What is the epidermis?

The surface layers of a plant and the cuticle

What is transpiration?

The loss of water vapor from the leaves and stems of plants

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Duplicate of IB Biology - Topic 9.1-2 Plant Biology

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Questions 14

Answers

1
What is translocation?
When water moves through the xylem
When water moves through the ploem
When organic foods move through the phloem
When organic foods move through the xylem
2
In which direction does the phloem transport materials?
Up the plant
Up the plant only during the summer
Up and down the plant all the time
Down the plant
3
Which of the following tissues can be both a source and a sink of sugar?
Fruits
Cotyledons
Meristems
Photosynthesising mature leaves
4
Which of the following have stem tubers?
Corn
Strawberries
Carrots
Onions
5
What is an adaptation in xerophytes
Short roots
Thin cuticle
Hairs on the leaves
Large air spaces
6
How do minerals in the soil move to the root of the plant?
through the phloem
Mass flow of water
transpiration
translocation
7
What are some adaptations of flowering plants which live in saline soils?
Ability to remove salt, long tap roots, many stomata
Water storage tissue, thick waxy cuticle, reduced leaf area
Long tap roots, succulent leaves, a large leaf surface area
Water storage tissue, thick waxy cuticle, many stomata
8
Which technical developments have aided in the understanding of phloem transport?
Radioactive labeling and electron microscopes
Electron microscopes and x-ray diffraction
Radioactive labeling and light microscopes
Light microscopes and x-ray diffraction
9
What are involved in the transport of materials from photosynthetic cells to phloem vessels?
Sieve plates and mitochondria
Protein pumps and mitochondria
Cell walls and sieve plates
Protein pumps and sieve plates
10
What are Xerophytes?
Plants which grow only in or on water
Plants which can be found anywhere
Plants which live in permanently dry conditions
Plants needing only a moderate amount of water
11
How is water carried by the transpiration stream?
Adhesion, cohesion and active transport
Cohesion, adhesion and transpiration pull
Transpiration pull and cohesion only
Active transport, adhesion and transpiration pull
12
What is the epidermis?
A longitudinal set of tubes
A type of lateral meristem
The surface layers of a plant and the cuticle
The root system of a plant
13
What is transpiration?
The loss of water vapor from only the leaves of plants
The loss of water vapor from an animal
The loss of water vapor from the leaves and stems of plants
The loss of water from only the stems of plants
14
Where does water enter the plant?
stem
Petals
leaves
root

Duplicate of IB Biology - Topic 9.1-2 Plant Biology Flashcards | StudBud