Nutrition
Telangana Board · Class 10 · Biology
Flashcards for Nutrition — Telangana Board Class 10 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is autotrophic nutrition? Give an example.
Answer
Autotrophic nutrition is the mode of nutrition where organisms prepare their own food from simple inorganic substances like carbon dioxide and water using energy sources like sunlight. Example: Green …
Write the balanced chemical equation for photosynthesis.
Answer
6CO₂ + 12H₂O → Light/Chlorophyll → C₆H₁₂O₆ + 6H₂O + 6O₂ Six molecules of carbon dioxide plus twelve molecules of water, in the presence of light and chlorophyll, produce one molecule of glucose, six …
What are the four essential materials required for photosynthesis?
Answer
1. Light (sunlight as energy source) 2. Carbon dioxide (CO₂ from air) 3. Water (H₂O from soil) 4. Chlorophyll (green pigment in chloroplasts) Without any of these materials, photosynthesis cannot occ…
Differentiate between light reaction and dark reaction of photosynthesis.
Answer
Light Reaction: - Requires light - Occurs in grana of chloroplasts - Converts light energy to chemical energy - Water molecules split (photolysis) - Produces ATP and NADPH Dark Reaction: - Does not r…
Where does photosynthesis take place in a plant cell? Describe the structure.
Answer
Photosynthesis takes place in chloroplasts. Structure: - Double membrane organelle - Contains grana (stacked disc-like structures) - Grana contain thylakoids with chlorophyll - Stroma is the fluid-fil…
What is heterotrophic nutrition? Give three examples.
Answer
Heterotrophic nutrition is the mode of nutrition where organisms cannot prepare their own food and depend on other organisms for nutrition. Examples: 1. Animals (humans, lions, elephants) 2. Fungi (m…
How does Amoeba obtain and digest its food?
Answer
Amoeba uses holozoic nutrition: 1. Ingestion: Forms pseudopodia (finger-like projections) to engulf food particles 2. Food vacuole formation: Pseudopodia fuse to form food vacuole 3. Digestion: Digest…
What is parasitic nutrition? How does Cuscuta obtain nutrition?
Answer
Parasitic nutrition: Organisms derive nutrition from other living organisms (hosts) without killing them. Cuscuta (dodder plant): - Leafless, twining parasitic plant - Has little/no chlorophyll - For…
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