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Questions and Answers
Match the following plant processes with their descriptions:
Match the following plant processes with their descriptions:
Photosynthesis = Process of manufacturing carbohydrates from raw materials using light energy Nutrition = Taking in useful substances for growth and development Chlorophyll = Green pigment inside a chloroplast molecule Glucose production = Conversion of light energy into chemical energy
Match the following components of photosynthesis with their roles:
Match the following components of photosynthesis with their roles:
Chloroplast = Location where photosynthesis takes place Enzymes = Aids in carbon combining with water during photosynthesis Light energy = Source of energy for the process of photosynthesis Carbon and water = Raw materials used to produce glucose in photosynthesis
Match the following parts of a chlorophyll molecule with their functions:
Match the following parts of a chlorophyll molecule with their functions:
Chlorophyll molecule = Absorbs energy from sunlight Released energy = Used to make carbon combine with water Glucose = Contains energy from light Sunlight = Provides energy for the chlorophyll molecule
Match the following leaf parts with their functions:
Match the following leaf parts with their functions:
Match the following leaf adaptations with their functions:
Match the following leaf adaptations with their functions:
Match the following chlorophyll-related features with their functions:
Match the following chlorophyll-related features with their functions:
Match the following transport vessels with their functions:
Match the following transport vessels with their functions:
Match the following uses of Glucose in the Plant’s Nutrition with their notes:
Match the following uses of Glucose in the Plant’s Nutrition with their notes:
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Study Notes
Plant Processes
- Respiration: process of releasing energy from glucose
- Photosynthesis: process of converting light energy into chemical energy
Components of Photosynthesis
- Light-dependent reactions: produce ATP and NADPH
- Light-independent reactions (Calvin cycle): produce glucose
- Chlorophyll: absorbs light energy
- Stomata: regulate CO2 and O2 exchange
- Thylakoids: contain pigments, including chlorophyll
Chlorophyll Molecule
- Head: contains magnesium ion, absorbs light energy
- Tail: embedded in thylakoid membrane, anchors chlorophyll
Leaf Parts
- Mesophyll: inner tissue where photosynthesis occurs
- Cuticle: waxy outer layer, prevents water loss
- Epidermis: outer layer, protects leaf from environment
- Veins: xylem and phloem vessels, transport water and nutrients
Leaf Adaptations
- Thick cuticle: reduces water loss in arid environments
- Stomata: regulate CO2 and O2 exchange, conserve water
- Waxy coatings: prevent water loss, reflect light
Chlorophyll-related Features
- Chloroplasts: contain chlorophyll, site of photosynthesis
- Fluorescence: energy released as light, indicates photosynthesis
Transport Vessels
- Xylem: transports water and minerals from roots to leaves
- Phloem: transports sugars, amino acids, and hormones throughout plant
Uses of Glucose in Plant Nutrition
- Energy source: provides energy for plant growth and development
- Building block: used to synthesize other organic molecules
- Stored energy: stored in roots, stems, and leaves for later use
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