A) Arid and semi-arid B) Tropical rainforest C) Temperate forest D) Alpine tundra
A) Peat moss B) Clay soil C) Silty clay loam D) Well-draining sandy loam
A) Seeds B) Pads (cladodes) C) Air layering D) Root cuttings
A) Allow the cut surface to callus over B) Apply rooting hormone directly to the cut C) Plant immediately after cutting D) Soak in water for 24 hours
A) Half buried B) Lying flat on the ground C) Completely buried D) Just deep enough to support the pad
A) Infrequently, only when soil is dry B) Once a week C) Every other day D) Daily
A) Winter B) Any time of year C) Fall D) Spring or early summer
A) Several feet, depending on variety B) A few inches C) One foot D) Touching each other
A) No fertilizer needed B) High nitrogen fertilizer C) Balanced fertilizer (10-10-10) D) Low nitrogen fertilizer
A) Spider mites B) Aphids C) Cochineal scale D) Grasshoppers
A) Ignoring it; it's beneficial B) Strong chemical pesticides C) Insecticidal soap or horticultural oil D) Watering more frequently
A) Leaf spot B) Pad rot C) Powdery mildew D) Rust
A) Lack of sunlight B) Insect infestation C) Nutrient deficiency D) Excessive moisture and poor drainage
A) As needed to remove damaged or crossing pads B) Annually in the spring C) Never prune them D) Every month
A) A knife B) Bare hands C) Scissors D) Gloves and tongs
A) Burn them off with a torch B) Wash and scrub them thoroughly C) Peel the skin off before washing D) They don't need to be removed
A) Only the seeds B) Only the flowers C) Both the pads (nopales) and the fruit (tunas) D) Only the roots
A) Bitter B) Savory C) Very sour D) Sweet and slightly tart
A) Consistently cold B) Cool and humid C) Warm to hot D) Freezing temperatures
A) Dappled sunlight B) Full sun C) Full shade D) Partial shade
A) They thrive in frosty conditions B) Some species are frost-tolerant C) Frost has no effect on them D) No, they are very sensitive to frost
A) Two years (biennial) B) A few months C) One year (annual) D) Many years (perennial)
A) To attract pollinators B) To provide shade C) Defense against herbivores D) To collect water
A) Only phosphorus B) Only nitrogen C) Nitrogen, phosphorus, and potassium D) Only potassium
A) They contribute nothing B) They are invasive and harmful C) They deplete soil nutrients D) Food and habitat for wildlife
A) Rosaceae B) Fabaceae C) Cactaceae D) Solanaceae
A) Cleaning solution B) Making jams and jellies C) Fuel D) Insect repellent
A) By having large leaves B) By growing in wet environments C) By having thick, fleshy pads D) They don't conserve water
A) Moderately drought tolerant B) Only slightly drought tolerant C) Yes, very drought tolerant D) No, they require a lot of water
A) Asia B) The Americas C) Europe D) Africa |