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Worksheetsphotosynthesys
Total questions: 77
Worksheet time: 1hrs 15mins
Which process is this?
Photosynthesis
Respiration
Digestion
Which process is this?
Photosynthesis
Respiration
Digestion
What things are needed for photosynthesis?
CO2
Water
Sunlight
All of the above
During photosynthesis from where do plants take water?
Stem
Roots
Flower
Leaves
TRUE or FALSE: Animals can make their own food inside themselves.
True
False
Name the pigment needed for photosynthesis
(a)
Which energy is needed for photosynthesis?
(a)
Name the gas released during the process of photosynthesis
sulphur dioxide
carbon dioxide
oxygen
none of them
Plants make _____ and oxygen during photosynthesis.
water
glucose
sunlight
Which part of the plant prepares food for it?
Stem
Root
Flower
Leaves
Is sunlight necessary for the process of photosynthesis?
(a)
Sunlight is a good source of _________
Vitamin A
Vitamin B
Vitamin C
Vitamin D
______________ makes food with the help of sunlight.
insects and human
trees and plants
bees and birds
None of the above
Photo in photosynthesis means (a)
Plants use __________ to prepare food by the process of photosynthesis. (You can tick multiple option)
sunlight
water
carbon dioxide
Chlorophyll
nutrients
Plants breath in ________ during the process of photosynthesis.
oxygen
nitrogen
hydrogen
carbon dioxide
Tiny opening in the leaves through which plants take in carbon dioxide is known as ___________
pores
stomata
chloroplasts
none of the above
Plants give out __________
oxygen
nitrogen
hydrogen
carbon dioxide
Leaves have tiny pigments known as __________
pores
stomata
chloroplasts
all of the above
Leaves uptake sunlight, water, carbon dioxide and turn them into _________ and _________
sugar and water
sugar and oxygen
sugar and carbon dioxide
sugar and food
_______ is a green pigment found in the _______ which is present in the leaves of a plant.
chloroplast, chlorophyll
photosynthesis, chlorophyll
chlorophyll, chloroplast
oxygen, carbon dioxide
________ are also known as 'Lungs of the world'
Human beings
Insects
Plants
Birds
During which time of the day the given process will not take place?
9 pm
10 am
3 pm
None of these
Which of the following processes leads to the formation of oxygen?
Respiration
transpiration
Photosynthesis
All of these
What is the ultimate source of energy on Earth?
Sun
Moon
Star
Plants
Plants are green in colour and capable of making their own food. Hence they are called ___________________.
Heterotroph
Autotroph
Saprophyte
Parasite
Plants capture light in order to perform photosynthesis. They get this light from _______________.
Sun
Moon
Stars
Earth
Plants make their food in the form of glucose. Glucose is a ________________.
carbohydrate
protein
sugar
fat
Animals produce this gas during respiration but plants on the other hand balance this gas in the atmosphere by the process of photosynthesis. This gas is ________________.
oxygen
carbon dioxide
nitrogen
argon
Which of the following structure in the leaf helps in the exit of gas produced during photosynthesis?
veins
stomata
petiole
lamina
Plants store extra food in the form of _____________.
carbon dioxide
glucose
starch
all of these
Identify the chemical used to detect the presence of starch in leaves.
Benzene
Iodine
Naphthalene
All of these
1. What is the main purpose of photosynthesis?
to create energy
to make food
to make Carbon di oxide
to absorb sunlight
2. What gas goes into the plant during photosynthesis?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
3. What does a plant release into the air after photosynthesis?
Carbon dioxide
Sugar
Oxygen
Energy
4. Most plant appear green because of _________________ .
oxygen
chlorophyll
carbon dioxide
water
5. What part of the plant absorbs water for photosynthesis?
leaves
roots
petals
stem
6. Where do plants get the energy for photosynthesis to take place?
Nutrients in the soil
The Sun
Pollination
Chlorophyll
7. TRUE or FALSE: Plants make their own food and use the energy from the food that is made.
True
False
8. Which of the following is NOT needed for plants to survive?
Sunlight
Pestisides
Carbon dioxide
Water
9. What are the 3 main ingredients needed for photosynthesis
glucose, oxygen, carbon dioxide
carbon dioxide, water, glucose
water, soil, sunlight
sunlight, water, carbon dioxide
10. Which of the following statement is true regarding photosynthesis
creates oxygen for animals to breath
creates energy for plants to use
creates food for plants to use
all of these are correct
Foods synthesized in the process of Photosynthesis by plants is stored as
Starch
Protein
Vitamins
Fats
Where in a plant cell does photosynthesis take place
Palisade cells
Chlorophyll
Chloroplasts
Vacuole
What is the purpose of photosynthesis?
To release energy
To create glucose
To grow
To get oxygen for respiration
Which of these are limiting factors for photosynthesis? Choose 3 answers.
Light intensity
CO2 concentration
Temperature
Light
CO2 levels
Which of these is the correct equation for photosynthesis?
6O2 + C6H12O6 --> 6CO2 + 6H2O
6O2 + 6CO2 --> C6H12O6 + 6H2O
6CO2 + 12H2O --> C6H12O6 + 6H2O + 6O2
6CO2 + 6H2O --> O2 + C6H12O6
What are the products of photosynthesis?
Oxygen and Energy
Carbon Dioxide and Glucose
Glucose and Oxygen
Oxygen and Water
What protects Stomata and helps it in opening and closing?
Guard Cells
Leaf
Stem
Carbon Dioxide
Identify what is shown in the picture
chlorophyll
stomata
carbon dioxide
veins
Energy stored in all the fossils fuels is made during the process of
Fossilization
Oxidation
Photosynthesis
De-starching
Main products of the Calvin Cycle
Oxygen, NADP+, ADP
Glucose, CO2, ADP
ADP, NADP+, Glucose
ATP, NADPH, Oxygen
The Calvin Cycle occurs in the
Thylakoid
Grana
Inner membrane of chloroplast
Stroma
What supplies the electrons during photolysis?
oxygen
water
glucose
rubisco
Choose the statement that best describes light reaction.
It converts CO2 to sugar molecule
It converts light energy to chemical energy of ATP and NADPH
It takes place in the stroma
Which of the following is not needed to start the light reaction
H2O
ADP + P
CO2
What is the unit of light?
proton
photon
photosystem
Living things need food to obtain ...
nutrients
waste
oxygen
energy
Plants make their own food through a process called...
(a)
What are the "ingredients" of raw sap?
Sunlight
Water
C02
Mineral salts
What are the "ingredients" of elaborated sap?
CO2
Water
Mineral salts
Sunlight
Chlorophyll is...
a mineral salt
a green substance
an element in raw sap
a type of leaf
Plants need chlorophyll to trap...
(a)
Plants absorb water and minerals through their (a)
Sap travels around the plant through tubes called (a)
During photosynthesis, plants release __________ into the air
oxygen
CO2
sunlight
sap
Plants _______ make their own food at night
can
can't
Elaborated sap is the plant's (a)
They are tiny openings in the leaves
Stomata
Chlorophyll
Vessels
Tubes
Plants respiration:
They absorb CO2 and release oxygen
They absorb oxygen and release CO2
Why are plants essential for life?
They absorb C02
They are green
They release oxygen
They serve as food for other living things
Photosynthesis takes place (ocurre) in the (a)
