Biology · 5 questions
Photosynthesis Basics Quiz
Photosynthesis converts light energy into chemical energy stored in sugars. Try these introductory questions, then review the explanation and textbook reference beneath each one.
Before choosing, recall the answer without looking at the choices. Pick the best match and explain why the others do not work. Answers and sources are shown beneath each question; for a less guided attempt, cover that part until you commit to an answer.
Question 1 of 5
What kind of energy does photosynthesis capture to make sugars?
Answer: Energy from sunlight
Photoautotrophs capture sunlight and convert that energy into chemical energy stored in carbohydrate molecules. Minerals and water matter to plants, but they are not the light-energy source in this process.
Read the source: OpenStax Biology 2e: Overview of PhotosynthesisQuestion 2 of 5
Which group listed here can carry out photosynthesis?
Answer: Cyanobacteria
Cyanobacteria are photosynthetic bacteria. Animals and fungi rely on other organisms for food, and not every bacterium photosynthesizes.
Read the source: OpenStax Biology 2e: Overview of PhotosynthesisQuestion 3 of 5
Where is energy captured from sunlight stored after photosynthesis produces sugar?
Answer: In the chemical bonds of sugar molecules
Sunlight energizes electrons, and the captured energy ends up stored in the covalent bonds of sugars.
Read the source: OpenStax Biology 2e: Overview of PhotosynthesisQuestion 4 of 5
Why is photosynthesis important to many organisms besides plants?
Answer: It supplies sugars and oxygen that many organisms rely on
Photosynthesis forms energy-rich organic compounds used through food webs and is a source of oxygen for many organisms.
Read the source: OpenStax Biology 2e: Overview of PhotosynthesisQuestion 5 of 5
In photosynthesis, light energy is converted into what form of energy?
Answer: Chemical energy
Light-dependent reactions help convert captured light into chemical energy that photoautotrophs use to build carbohydrates.
Read the source: OpenStax Biology 2e: The Light-Dependent ReactionsWhat to do after this quiz
Look at missed questions and name the idea behind each one. Was it a definition, process, or calculation? Read the linked source, close it, and write a one-sentence explanation from memory. Explaining why tempting wrong choices are wrong goes beyond recognising an answer.
Return later and try again without reviewing choices. Repeated attempts on fixed questions can feel easier because they are familiar; test another example or your notes to see whether the idea has stuck.
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