Biology – Photosynthesis Exam
Questions and Answers
What is the equation of photosynthesis? - Answer-Carbon dioxide + water -> glucose +
oxygen (light over the arrow)
Where does photosynthesis occur? - Answer-Chloroplast
What are the stages of photosynthesis? - Answer-light dependent reactions and light
independent reactions
Where does the light dependant reaction occur? - Answer-In the thylakoid stacks/Grana
What happens in the light dependant reaction? - Answer-The thylakoid membrane
absorbs solar energy and uses the energy to split water into hydrogen and oxygen. The
oxygen is released from the chloroplast and the hydrogen is carried by the NAPH to the
stroma.
Why is the thylakoid membrane clear? - Answer-The thylakoid membrane is clear for
light to pass through
What do thylakoid stacks contain and how is it being in a stack useful? - Answer-
Thylakoid stacks contain chlorophyll which allow light absorption. Also due to being in
stacks it allows more surface area meaning more reactions from sunlight.
Where does the light independent reaction occur? - Answer-Stroma
What happens in the light independent reaction occur? - Answer-The Calvin cycle
occurs. CO2 and hydrogen enter a biochemical cycle which uses ATP to produce
glucose.
What useful about stroma? - Answer-It has a liquid interior that has enzymes which
allows reactions to be catalysts.
How are Light dependent and light independent linked? - Answer-They are linked
because they can't work without each other's products
How is carbon dioxide and water absorbed by the plant? - Answer-Carbon dioxide is
absorbed through the stomata through diffusion. Water is absorbed through the roots by
Osmosis.
How does temperature affect photosynthesis? - Answer-Due to photosynthesis involving
enzymes as the temperature increases the rate of photosynthesis increases until it
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.93. You're not tied to anything after your purchase.