WorksheetsPhotosynthesis (Gen. 2021)
Total questions: 18
Worksheet time: 9mins
The diagram shown represents the input and output of a process performed by the chloroplast of a cell. Which substance is most likely represented by Y?
Carbon dioxide
glucose
ATP
light
Algae and multicellular plants are autotrophs because they —
absorb nutrients from soil
decompose dead organisms
break down starches to glucose
capture sunlight to produce sugars
In order to do photosynthesis, humans would have to have ______ and _______ in their cells. Since they are lacking these, they cannot perform photosynthesis.
chlorophyll, chloroplasts
mitochondria, chloroplast
roots, spores
hyphae, hair
The energy in the food produced by autotrophs or taken into the bodies of heterotrophs must be changed into a form that cells can use. The energy-transferring molecule used by cells is —
CO2
DNA
ATP
RNA
What are indicated by "C" in the picture?
adenine
ribose
phosphates
What is indicated by "B" in the picture?
adenine
ribose
phosphates
What is indicated by "A" in the picture?
adenine
ribose
phosphates
The pigment that absorbs energy from sunlight during photosynthesis is
borophyll
glucose
chlorophyll
phyllophyll
Which color(s) do chlorophyll reflect?
blue
green
red
violet
Is energy being stored or released in this diagram?
released
stored
What is the name of the structures that look like stacked lifesavers?
stroma
chloroplast
thylakoids
mitochondria
Which macromolecules can be used as energy for the cell?
lipids and carbohydrates
protein and carbohydrates
carbohydrates and nucleic acids
nucleic acids and lipids
Where does the first step of photosynthesis (the light dependent reactions) take place?
stroma of the chloroplast
thylakoids of the chloroplast
cytoplasm of the cell
mitochondria
Where does the second step of photosynthesis (the light independent reactions/Calvin cycle) take place?
stroma of the chloroplast
thylakoids of the chloroplast
cytoplasm of the cell
mitochondria
Which of the following is a product of photosynthesis:
water
carbon dioxide
oxygen
Which of the following is a product of photosynthesis:
sugar
carbon dioxide
DNA
Which of the following is a REACTANT of photosynthesis:
sugar
carbon dioxide
DNA
Which of the following is a REACTANT of photosynthesis:
sugar
oxygen
water
