WorksheetsGrade 8: Plants
Total questions: 12
Worksheet time: 6mins
Energy is passed from one organism to another along what?
Biomass
A food chain
A cycle
By plants
What do plants need to photosynthesise?
Oxygen
Food
Biomass
Carbon dioxide
The process of photosynthesis:
Carbon dioxide + water + energy --> Oxygen and Glucose
Energy and food --> oxygen
oxygen + water + energy --> Carbon dioxide and Glucose
Water and carbon dioxide make food
Where in the plant does photosynthesis take place?
Flower
Root
Leaf
Stem
What is biomass?
A mass of biological waste
Material made from living cells and tissues
Plants
Animals
Which layer inside the leaf does most of the photosynthesis?
Palisade layer
Spongy layer
Veins
Epidermis
What is the waxy layer on the leaf responsible for?
Keeping moisture in
Preventing the leaf from drying out
Protection
All of the above
What cells transport water and minerals from the roots to the leaves?
Veins
Arteries
Xylem
Hollow tubes
An adaptation of roots to perform its function
They contain millions of root hairs
The root hairs are only 1 cell layer thick
They branch deep into the soil
All of the above
This variable is the variable you are measuring in an experiment and will dependent on what you are changing.
Controlled variable
Independent variable
Fixed variable
Dependant variable
If I am testing the effect of different water given on the rate of photosynthesis what would my independent variable be?
Light intensity
The different amounts of water given
The rate of photosynthesis
The type of plant
If I am testing the effect of different water given on the rate of photosynthesis what could an example of a controlled variable be?
The amount of water
The rate of photosynthesis
There won't be any
The type of plant
