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Questions and Answers
What is the primary source of energy for photosynthesis in plants?
What is the primary source of energy for photosynthesis in plants?
- Water
- Carbon dioxide
- Light (correct)
- Minerals from the soil
Which of the following is a micronutrient essential for cell wall formation and sugar metabolism?
Which of the following is a micronutrient essential for cell wall formation and sugar metabolism?
- Boron (correct)
- Copper
- Iron
- Molybdenum
What is the primary function of the xylem in plants?
What is the primary function of the xylem in plants?
- To synthesize proteins
- To transport sugars and amino acids
- To transport water and minerals (correct)
- To store nutrients
Which of the following nutrients is crucial for energy production, root development, and flower/seed formation?
Which of the following nutrients is crucial for energy production, root development, and flower/seed formation?
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What is the term for the process by which plants produce their own food?
What is the term for the process by which plants produce their own food?
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Which of the following is responsible for absorbing water and minerals from the soil?
Which of the following is responsible for absorbing water and minerals from the soil?
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Study Notes
- Plants are autotrophic organisms, producing their own food through photosynthesis.
- Photosynthesis requires energy from light, water, carbon dioxide, and minerals from the soil.
- Macronutrients essential for plant growth include nitrogen, phosphorus, and potassium, which are crucial for amino acid synthesis, protein production, energy production, root development, flower/seed formation, water balance, transport, and enzyme activation.
- Micronutrients essential for plant growth include iron, zinc, copper, boron, manganese, and molybdenum, which are involved in photosynthesis, enzyme function, protein synthesis, plant defense, cell wall formation, sugar metabolism, nitrogen fixation, and flower/seed formation.
- Autotrophic nutrition is the mode of nutrition in which plants produce their own food through photosynthesis.
- Heterotrophic nutrition is the mode of nutrition in which plants obtain their nutrients by decomposing organic matter or parasitizing other organisms.
- Roots are responsible for absorbing water and minerals from the soil.
- Xylem transports water and minerals from roots to shoots.
- Phloem transports sugars, amino acids, and other organic compounds produced by photosynthesis.
- Symplast refers to the living contents of plant cells, where nutrient transport and storage occur.
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