Biology

Photosynthesis in Plants

1,492 Questions

Photosynthesis is the biological process by which plants convert light energy into chemical energy. This page contains practice questions covering essential topics like chlorophyll, light reactions, and the pathways specific to plants. This material is crucial for medical entrance exams and academic assessments.

Chlorophyll and pigmentsLight reactionsCalvin cycleCAM plantsElectron transportPhotosynthesis factors

Photosynthesis in Plants Questions

Multiple choice
  1. pigments, a reaction center and an electron acceptor

  2. ADP, phosphate and hydrogen ions (H+)

  3. protons, photons, and pigments

  4. cytochromes only

  5. both B and C are correct.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A photosystem is a functional unit in the thylakoid membrane consisting of an antenna complex (pigments), a reaction center, and a primary electron acceptor.

Multiple choice
  1. C3 plants are more successful in mild climates than C4 plants.

  2. C4 plants contain chloroplasts only in some parts of their mesophyll cells.

  3. C3 plants fix carbon dioxide in the mesophyll cells.

  4. C3 plants make glucose in the bundle sheath cells.

  5. The first carbon dioxide fixation product in a C4 plant is oxaloacetate.

Reveal answer Fill a bubble to check yourself
B Correct answer
Multiple choice
  1. Water and carbon dioxide

  2. Water and oxygen

  3. Oxygen and carbohydrate

  4. Carbohydrate and water

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The overall chemical equation for photosynthesis is 6CO2 + 6H2O + light energy -> C6H12O6 (carbohydrate) + 6O2 (oxygen).