Gardening Trivia
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Sample Gardening Quiz Questions
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The green pigment in plants responsible for absorbing light energy.
Difficulty: Easy- Carotene
- Chlorophyll
- Xanthophyll
- Melanin
This measures how acidic or alkaline your soil is on a scale of 0 to 14.
Difficulty: Medium- Salinity level
- pH level
- Nutrient density
- Moisture content
This light spectrum range between 400-700nm is the portion plants use most efficiently for photosynthesis.
Difficulty: Hard- Photosynthetically Active Radiation (PAR)
- Visible Light Spectrum
- Photon Flux Density
- Active Growth Spectrum
The underground part of a plant that absorbs water and nutrients from the soil.
Difficulty: Easy- Stem
- Leaf
- Root
- Flower
Removing dead or spent flowers to encourage more blooms is called this.
Difficulty: Medium- Pruning
- Pinching
- Deadheading
- Thinning
This carbon fixation pathway used by most plants is less efficient in hot, dry conditions due to photorespiration.
Difficulty: Hard- CAM pathway
- C4 pathway
- C3 pathway
- Calvin cycle
This type of plant completes its entire life cycle in one growing season.
Difficulty: Easy- Annual
- Perennial
- Biennial
- Evergreen
The vascular tissue that transports water and minerals upward from roots to leaves.
Difficulty: Medium- Xylem
- Phloem
- Cambium
- Cortex
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