Van Niel's Photosynthesis Model — NEET Biology
📚 Practice Concept📖 NCERT Source
A milestone contribution to the understanding of photosynthesis was that made by a microbiologist, Cornelius van Niel (1897-1985), who, based on his studies of purple and green bacteria, demonstrated that photosynthesis is essentially a light-dependent reaction in which hydrogen from a suitable oxidisable compound reduces carbon dioxide to carbohydrates. This can be expressed by:
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QuestionPractice Question
Which scientist first proposed that O₂ comes from H₂O, not CO₂?
📖 Solution & NCERT Explanation
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Correct answer: B — Van Niel
Van Niel, from studies on purple and green sulfur bacteria, suggested this first.
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What does NCERT say about milestone contribution to understanding?
A milestone contribution to the understanding of photosynthesis was that made by a microbiologist, Cornelius van Niel (1897-1985), who, based on his studies of purple and green bacteria, demonstrated that photosynthesis is essentially a light-dependent reaction in which hydrogen from a suitable oxidisable compound reduces carbon dioxide to carbohydrates. This can be expressed by:
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Photosynthesis in Higher Plants, Class 11 NCERT Biology.
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