Photosynthesis Quiz

Biology

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, releasing oxygen as a byproduct. It involves light-dependent and light-independent reactions (Calvin Cycle) within chloroplasts.

Photosynthesis Plants Energy

9 Questions Medium Ages 10+ Nov 25, 2025

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About this Study Set

This study set covers Biology through 9 practice questions. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, releasing oxygen as a byproduct. It involves light-dependent and light-independent reactions (Calvin Cycle) within chloroplasts. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 9 questions from the Photosynthesis Quiz study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the primary purpose of photosynthesis?

A To produce oxygen
B To create food for the plant
C To absorb water
D To release carbon dioxide

2 Which of the following are the main reactants in photosynthesis?

A Oxygen and Glucose
B Water and Oxygen
C Carbon Dioxide and Water
D Glucose and Carbon Dioxide

3 What is the name of the sugar produced during photosynthesis?

A Fructose
B Sucrose
C Glucose
D Lactose

4 In what part of the plant cell does photosynthesis primarily occur?

A Nucleus
B Mitochondria
C Chloroplast
D Cell Wall

5 What are the two main stages of photosynthesis?

A Respiration and Fermentation
B Light-dependent and Light-independent reactions
C Glycolysis and Krebs Cycle
D Transcription and Translation

6 What happens to water during the light-dependent reactions?

A It is reduced.
B It is oxidized.
C It is converted to carbon dioxide.
D It is converted to glucose.

7 What is another name for the light-independent reactions?

A Krebs Cycle
B Electron Transport Chain
C Calvin Cycle
D Citric Acid Cycle

8 What two layers on the top of the leaf allow light to travel through them easily?

A Spongy and Palisade Mesophyll
B Cuticle and Epidermis
C Vein and Mesophyll Cell
D Chloroplast and Nucleus

9 What gas is released as a byproduct of photosynthesis?

A Carbon Dioxide
B Nitrogen
C Oxygen
D Hydrogen

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