While having lessons of biology in …

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While having lessons of biology in school, Rohit listened carefully to his teacher Mrs Kavita, explaining how do plants grow, develop and prepare their own food by photosynthesis. She also explained them that they themselves can observe this by growing a plant at home. Rohit too, out of curiosity potted a plant in his room but after a week or two, he observed that leaves of plant became yellow and finally they started wilting. He asked his biology teacher about this and she told him that light is necessary for photosynthesis to occur. (a)Give an overall equation for photosynthesis showing its requirements as well as products formed. (b)What role do light play in the process of photosynthesis? (c)Name other factors that influence the rate of photosynthesis. (d)What values are observed from Rohit’s characte

Posted by Niranjana Rajesh 3 years, 6 months ago

CBSE > Class 11 > Biology

1 answers

Adithya Dev A 3 years, 4 months ago

(a) 6 CO2 (g) + 6 H2O (l) ---Sunlight---Chlorophyll---> C6H12O6 (aq) + 6 O2 (g). (b) Light energy, obtained by plants as photons with the help of chlorophyll, is used in breaking down water molecules into hydrogen (used to reduce carbon dioxide to carbohydrates) and oxygen. (c) Factors influencing rate of photosynthesis = Availability of carbon dioxide, availability of water, presence of sunlight and presence of chlorophyll.

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