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Questions and Answers
What are the necessary components of food called?
What are the necessary components of food called?
- Fruits and vegetables
- Processed foods
- Meat and dairy products
- Carbohydrates, proteins, fats, vitamins and minerals (correct)
What is the process of obtaining and utilizing food by an organism called?
What is the process of obtaining and utilizing food by an organism called?
- Nutrition (correct)
- Metabolism
- Digestion
- Respiration
Which mode of nutrition involves organisms making their own food from simple raw materials?
Which mode of nutrition involves organisms making their own food from simple raw materials?
- Carnivorous nutrition
- Autotrophic nutrition (correct)
- Heterotrophic nutrition
- Omnivorous nutrition
Which pigment helps leaves to capture the energy of sunlight during photosynthesis?
Which pigment helps leaves to capture the energy of sunlight during photosynthesis?
Which two raw materials are required for photosynthesis to occur in plants?
Which two raw materials are required for photosynthesis to occur in plants?
What is the name of the tubes that transport water and minerals from the roots to other parts of the plant?
What is the name of the tubes that transport water and minerals from the roots to other parts of the plant?
What is the name of the process that supplies food for all living organisms directly or indirectly?
What is the name of the process that supplies food for all living organisms directly or indirectly?
What is nutrition?
What is nutrition?
What is autotrophic nutrition?
What is autotrophic nutrition?
What is heterotrophic nutrition?
What is heterotrophic nutrition?
What is photosynthesis?
What is photosynthesis?
What is the role of chlorophyll in photosynthesis?
What is the role of chlorophyll in photosynthesis?
What are the raw materials for photosynthesis?
What are the raw materials for photosynthesis?
Why is photosynthesis important for all living organisms?
Why is photosynthesis important for all living organisms?
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Study Notes
Photosynthesis and Nutrition
- Food is essential for all living organisms and contains nutrients such as carbohydrates, proteins, fats, vitamins, and minerals.
- Nutrients enable living organisms to build their bodies, grow, repair damaged parts, and provide energy.
- Nutrition is the process of obtaining and utilizing food by an organism.
- Autotrophic nutrition is when organisms can make their own food from simple raw materials, while heterotrophic nutrition is when they depend on others for it.
- Photosynthesis is the process by which plants synthesize their food using carbon dioxide, water, and sunlight in the presence of chlorophyll.
- Leaves are the food factories of plants, and chlorophyll helps capture the energy of sunlight.
- Carbon dioxide and water are the raw materials for photosynthesis, and the presence of sunlight and chlorophyll is necessary.
- Water and minerals are absorbed by roots from the soil and transported to other parts of the plant by vessels.
- Carbon dioxide enters the leaves through stomata, surrounded by guard cells.
- Chlorophyll gives leaves their green color and helps capture solar energy for photosynthesis.
- Photosynthesis supplies food and oxygen needed by all living organisms for respiration.
- Life on earth would not be possible without photosynthesis.
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