WorksheetsPhotosynthesis
Total questions: 10
Worksheet time: 5mins
Plants are _________________ which means they make their own food.
heterotrophs
chemotrophs
autotrophs
liveotrophs
Plant cell walls are made of
petidoglycan
cellulose
chitin
pollen
What substance is made through photosynthesis and is food for the plant?
chlorophyll
chloroplast
glucose
dextrose
The tiny opening on the plant that lets air in and holds water in is called the ___________________.
guard cell
stomata
petal
cuticle
The cells on each end of the stomata that control the opening and closing are called ____________________.
guard cell
stomata
petal
cuticle
What is chlorophyll and how does it help plants?
Chlorophyll is a pigment that absorbs light energy and makes glucose
Chlorophyll is a protein that changes shape in the presence of sunlight
Chlorophyll is a receptor that binds carbon dioxide when energized by light
Chlorophyll is an enzyme that catalyzes the production of glucose when exposed to light
In photosynthesis, plants use chlorophyll to produce
sugar
water
energy
carbon dioxide
Photosynthesis is a process that converts carbon dioxide and water into
carbon and oxygen
sugar and hydrogen
sugar and oxygen
nitrogen and carbon
Which of the following statements is correct about the primary source of energy for most living organisms.
Humans because they are top level consumers
Green plants because they are the only organisms that use photosynthesis
Wind because it helps distribute seeds over long distances
The sun because it powers almost all food chains on Earth
Which organism makes energy available to all other organisms in the food chain
producers
consumers
decomposers
scavengers
