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