5 Questions
What process removes chlorophyll from a leaf and indicates the presence of starch?
Boiling the leaf in water, transferring it to a test tube containing methylated spirit, boiling the tube in a water bath, and adding iodine/betadine solution to observe a blue-black color for starch.
Do you think solar energy transforms into chemical energy by the process of photosynthesis?
Yes, photosynthesis is the process by which solar energy is transformed into chemical energy in the form of carbohydrates.
What materials are essential for the synthesis of carbohydrates in the process of photosynthesis?
Water, carbon dioxide, and sunlight are essential materials for the synthesis of carbohydrates in the process of photosynthesis.
Do you think the equation proposed by Van Neil tells us about all the materials involved in photosynthesis?
No, the equation proposed by Van Neil (6CO2 + 6H2O + light energy → C6H12O6 + 6O2) does not account for all the materials involved in photosynthesis. It took scientists over 300 years to discover all the essential materials.
Who initially found that water is essential for the increase of plant mass, before the process of photosynthesis was known?
Von Helmont initially found that water is essential for the increase of plant mass, before the process of photosynthesis was known.
Test your knowledge of the food supplying system in plants with this quiz. Explore the process of removing chlorophyll from a leaf and the subsequent iodine test to detect the presence of starch. Ideal for biology students studying plant nutrition.
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