NEET 2026 Biology question

Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.

(1)Absorption spectra of chlorophyll a and b production of glucose release of oxygen role of air
(2)Role of air release of oxygen production of glucose absorption spectra of chlorophyll a and bCorrect
(3)Release of oxygen production of glucose absorption spectra of chlorophyll a and b role of air
(4)Production of glucose role of air release of oxygen absorption spectra of chlorophyll a and b

Answer: (2)

Solution

The historical order is: Joseph Priestley (1770) - role of air in plant growth; Jan Ingenhousz (1779) - release of oxygen by green parts in sunlight; Julius von Sachs (1854)

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Question ID VK-105100