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WorksheetsPlants topics 1 & 2
Total questions: 21
Worksheet time: 11mins
Wheat, rice, maize, potatoes, barley, cassava, and sorghum are...
Crops
75% of the world's food supply
74% of the world's food supply
7 major crops
80% of the world's food supply
How are plants used in the environment?
Oxygen, food, shelter, water filtration, prevents soil erosion, medicines, transportation, construction and fuel.
Carbon dioxide, food, shelter, water filtration, prevents soil erosion, medicines, transportation, construction and fuel.
Oxygen, food, shelter, water filtration, prevents soil erosion, medicines, transportation, construction and water.
Oxygen, water, shelter, food, prevent soil erosion, medicines, transportation, construction and paper products.
What is an advantage of cotton?
It dries very quickly.
It can be harvested in one year, uses less land than trees, paper can be recycled more times & is more accessible, and is not eaten by most insects.
2-3 times as strong as any other material.
It keeps you very warm.
(a) is 2-3 times as strong as cotton.
What plant can be harvested in one year?
Cotton
Hemp
Flax
Polyester
Where does aspirin come from? And what is it used for?
White willow bark
Pain killer
Found in the poppy
Pain killer
Opiums poppy's seed pod
Strong pain killer
Comes from the cinchona tree
used to prevent malaria
What does codiene from? and what is it used for?
Found in the poppy
It's a pain killer
Opium poppy's seed pod
STRONG pain killer
Comes from the cinchona tree
used to prevent malaria
White willow bark
mild pain killer
Where does morphine come from? And what is it used for?
Opiums poppy's seed pod
STRONG pain killer
White willow bark
Mild pain killer
Found in the poppy
It's a pain killer
Comes from the chinchona tree
used to prevent malaria
True or False?
4 fuels that directly or indirectly came from plants include wood, coal, natural gas, oil.
True
False
What is respiration?
When plants take in oxygen and relase carbon dioxide (breathing)
The loss of water from the leaves of a plant through evaporation
Openings in leafs where gases are exchanged.
The process where plants use sunlight to synthesize food and often produces oxygen as a result.
What is the formula for photosynthesis?
Carbon dioxide + water + nutrients --> Sugar + oxygen.
Carbon dioxide + water --> glucose + water
Carbon dioxide + nutrients --> sugar + nutrients
Oxygen + nutrients --> sugar + carbon dioxide.
The stomata...
Are opening in leaves where gases are exchanged.
Cells that guard where the plant exchanges air.
When plants take in oxygen and release carbon dioxide.
The loss of water from the leaves of a plant through evaporation.
What are the functions of plant stems?
Transports water and nutrients, and provides support for the plant, food storage.
Transports water and nutrients between the leaves & the roots.
Provides support for the plant.
Provides food storage.
What part of a tree stem transports water and nutrients?
Heartwood
Xylem
Cambium/inner bark
Bark
What type of stem is an underground bulb modification of a stem that allows delicate plants to produce energy & store it?
Corm(s)
Rhizomes
Runners
Phloem
What underground stem stores nutrients?
Rhizomes
Corms
Runners
Tree stems
How a strawberry reproduces and comes back every year is an example of a...
Runner
Rhizome
Corm
Re-producer
Taproots....
Go very deep into the soil and are very long and thick.
have thin various branching roots.
Are cylindrical extensions of roots
Is a crop growing from enlarged roots.
True or False?
Fibrous roots are thin and branch out in all different directions.
True
False
Roots....
Absorb water and minerals, support and anchor the plant, store food for the plant.
Only absorb water and anchor the plant.
Only store food for the plant.
Are what keeps the plant alive.
How does water move into the roots?
Osmosis with root hairs
Diffusion
Respiration
Photosynthesis
