WorksheetsPhotosynthesis and Respiration
Total questions: 30
Worksheet time: 13mins
Carbon dioxide: plant Input or output?
input
output
Oxygen: plant input or output
output
input
Plants have these food molecules inside them: carbohydrates, proteins and
fats
atoms
carbon dioxide
hydrogen
Plants don't need ________ to grow.
soil
air
water
sunlight
What are the two reactants in photosynthesis?
Carbon Dioxide and Water
Carbon Dioxide and Glucose
Glucose and Water
Glucose and Oxygen
The food making process of a plant is called:
photosynthesis.
chlorophyll.
germination.
baking.
Plants get their green color from the chemical:
chlorophyll.
photosynthesis.
germination.
Crayola.
During photosynthesis, what are the products?
water and carbon dioxide
carbon dioxide and soil
oxygen and glucose
fats and proteins
During photosynthesis, plants make sugar and
oxygen
carbon dioxide
water
Photosynthesis is
burning glucose for energy
the process in which plants make food
exchanging gases through stomata
the substance that makes plants green
What food do plants make?
sugar (glucose)
chlorolasts
seeds
carbon dioxide
Which type of organism would MOST likely benefit directly from increased levels of CO2?
mushroom
tree
bird
fish
Which statement accurately describes an interaction between plants and animals?
Animals release CO2, required for photosynthesis.
Animals release O2, required for plant survival.
Plants provide humans with atmospheric nitrogen.
Plants provide humans with CO2 for respiration.
6. Formula for PHOTOSYNTHESIS?
C6H12O6+6O2→6CO2+6H2O
6CO2+6H2O→C6H12O6+6O2
2H2O→2H2+O2
2H2+O2→2H2O
People take in and release gases from the air when they breathe. Which exhaled gas is a waste product of respiration?
helium
oxygen
carbon dioxide
hydrogen
Formula for CELLULAR RESPIRATION?
CO2+H2O+Light Energy-->C6H12O6+O2
CO2+H2O+ATP-->C6H12O6+O2
C6H12O6+O2-->CO2+H2O+Light Energy
C6H12O6+O2-->CO2+H2O+ATP
Which organelle does CELLULAR RESPIRATION happen in?
Nucleus
Mitochondria
Chlorophyll
Chloroplast
Which organelle does PHOTOSYNTHESIS happen in?
Nucleus
Mitochondria
Chlorophyll
Chloroplast
Plants make their own food.
True
False
All the energy that organisms get from food originally comes from the __________________.
plants
sun
nutrients
vitamins
Which is NOT a food molecule?
carbohydrates
fats
hydrogen
proteins
glucose
What do plants need to perform photosynthesis?
sun, water, and oxygen from the air
sun, water, and carbon dioxide from the air
sun, soil, and water
Both plants and animals use energy produced from cellular respiration?
True
False
If the lights are left ON, in which test tube would you expect to see the MOST CO2 after the experiment?
A
B
C
D
In which test tube will the most photosynthesis take place if the lights are left on?
A
B
C
D
What results would you expect with one snail, one elodea, and the lights on?
The amount of CO2 and O2 would stay about the same.
The amount of CO2 would increase and O2 would decrease
The amount of CO2 would decrease and O2 would increase
The amount of CO2 and O2 would both decrease
What were the results of this experiment?
The amount of O2 increased.
The amount of CO2 increased.
The amount of CO2 decreased.
The amount of O2 stayed the same.
What may have caused these results?
Elodea was doing photosynthesis.
Elodea was doing respiration.
Snails were doing photosynthesis.
Snails and elodea were doing respiration.
If the lights are turned on, in which test tube(s) would photosynthesis be taking place? Choose TWO answers.
A
B
C
D
What color will the BTB solution turn if you blew bubbles into it?
blue
clear
yellow
