Nutrition — Flashcards
Telangana Board · Class 10 · Biology
48 flashcards for Nutrition (Telangana Board Class 10 Biology) to test yourself on key terms and facts. Sample: "What is nutrition?"
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What is nutrition?
Answer
Nutrition is the process of taking in food and using it for energy, growth, repair, and maintenance of the body. It is essential for all living organisms because cells need materials and energy to car…
What is autotrophic nutrition?
Answer
Autotrophic nutrition is a mode of nutrition in which an organism makes its own food from simple inorganic substances like carbon dioxide and water, using light energy and chlorophyll. Green plants ar…
Why are most green plants called autotrophs?
Answer
Most green plants are called autotrophs because they prepare their own food by photosynthesis. They use sunlight, carbon dioxide, water, and chlorophyll to make carbohydrates, which later help in form…
What is photosynthesis?
Answer
Photosynthesis is the process in which green plants use sunlight to make food from carbon dioxide and water in the presence of chlorophyll. The process stores solar energy as chemical energy in food.
Write the general photosynthesis equation proposed by C.B. Van Niel.
Answer
CO2 + 2H2O --[Light, Chlorophyll]--> CH2O + H2O + O2. It shows that carbon dioxide and water are used to form carbohydrate, water, and oxygen in the presence of light and chlorophyll.
Write the glucose-based photosynthesis equation.
Answer
6CO2 + 12H2O --[Light, Chlorophyll]--> C6H12O6 + 6H2O + 6O2. This equation shows the formation of glucose, water, and oxygen from carbon dioxide and water using light and chlorophyll.
Why is Van Helmont important in the study of plant nutrition?
Answer
Van Helmont showed through a 5-year experiment that water plays an important role in the increase of plant mass. His work was an early step in understanding plant nutrition, even before photosynthesis…
What did Joseph Priestley show with the candle, mouse, and mint plant experiment?
Answer
Priestley showed that plants restore the air that is used up by burning and breathing. In the closed bell jar, the candle and mouse failed without a plant, but with a mint plant the air was restored a…
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