A) Hevea brasiliensis B) Manihot esculenta C) Ficus elastica D) Castilla elastica
A) South America B) Africa C) Asia D) Australia
A) Resin B) Fruit C) Latex D) Wood
A) Yellow B) Milky White C) Green D) Brown
A) Basal B) Opposite C) Alternate D) Whorled
A) Simple B) Needle-like C) Compound D) Scale-like
A) Five B) Nine C) Seven D) Three
A) Elliptical B) Circular C) Lanceolate D) Ovate
A) Yes, they are large and brightly colored B) Depends on the climate C) No D) Sometimes
A) Temperate B) Arctic C) Arid D) Tropical
A) Pulling out the roots B) Burning the leaves C) Removing a branch D) Incising the bark
A) To prune the tree B) To fertilize the tree C) To collect latex D) To stimulate growth
A) Berry B) Capsule C) Drupe D) Pome
A) Smooth B) Rough C) Scaly D) Spiky
A) Leaf blight B) Caterpillars C) Grasshoppers D) Aphids
A) Sandy B) Clay C) Waterlogged D) Well-drained
A) Reducing yield B) Slowing growth C) Increasing pest susceptibility D) Maintaining desirable traits
A) 10-20 meters B) 5-10 meters C) 50-60 meters D) 25-40 meters
A) The canopy of the tree B) A type of fertilizer C) The root system D) The area where latex is extracted
A) Thailand B) Indonesia C) Malaysia D) India
A) 10-15 years B) 50-60 years C) 25-30 years D) 5-10 years
A) Water B) Wind C) Explosive D) Animal
A) Nutrient deficiency B) Lack of water C) Excessive sunlight D) Pest infestation
A) Solidification of latex B) Bleaching of latex C) Filtering of latex D) Dilution of latex
A) Paper production B) Gloves C) Tires D) Adhesives
A) Preventing coagulation B) Improving color C) Adding strength D) Accelerating coagulation
A) Afforestation B) Succession C) Rehabilitation D) Deforestation
A) Spraying buds with fertilizer B) Attaching a bud to another plant C) Planting buds directly in soil D) Removing buds from a plant
A) Promote healthy growth B) Prevent latex production C) Attract pests D) Increase soil erosion
A) Suppressing weeds and improving soil B) Slowing tree growth C) Attracting pests D) Increasing water runoff |