Photosystems Video Lecture | CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

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FAQs on Photosystems Video Lecture - CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

1. What is the function of photosystems in photosynthesis?
Ans. Photosystems are protein complexes in the thylakoid membrane of chloroplasts that are responsible for capturing light energy and converting it into chemical energy during photosynthesis.
2. How many types of photosystems are there in plants?
Ans. There are two main types of photosystems in plants, namely Photosystem I (PSI) and Photosystem II (PSII), which work together to drive the light-dependent reactions of photosynthesis.
3. What is the role of chlorophyll in photosystems?
Ans. Chlorophyll is a pigment molecule that is located in the photosystems and is responsible for absorbing light energy. It plays a crucial role in the initial step of photosynthesis by capturing photons and transferring the energy to reaction centers.
4. How are electrons transferred between photosystems during photosynthesis?
Ans. During photosynthesis, electrons are transferred between Photosystem II and Photosystem I through an electron transport chain. The electrons move down the chain, releasing energy that is used to pump protons across the thylakoid membrane.
5. Why are photosystems essential for the survival of plants?
Ans. Photosystems are essential for the survival of plants because they are the key components that convert light energy into chemical energy, which is then used to produce ATP and NADPH for the Calvin cycle. This process is vital for the synthesis of carbohydrates and ultimately the growth and development of plants.
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