A) Arid desert climate B) Alpine with high altitude C) Tropical with high humidity D) Temperate with cold winters
A) Sandy, nutrient-poor soil B) Rocky, alkaline soil C) Well-drained, fertile soil D) Clay-heavy, waterlogged soil
A) 15-20 years B) 3-5 years C) 1-2 years D) 6-10 years
A) 4.0-5.0 B) 7.0-8.0 C) 8.5-9.5 D) 5.5-6.5
A) Cuttings B) Air layering C) Direct seeding D) Grafting
A) 10-12 meters B) 2-3 meters C) 5-6 meters D) 1-2 meters
A) High potassium fertilizer B) High nitrogen fertilizer C) Balanced NPK fertilizer D) High phosphorus fertilizer
A) Thrips B) Mealybugs C) Spider mites D) Aphids
A) Increases the sweetness of the fruit B) Prevents leaf scorch and promotes growth C) Reduces the risk of fungal diseases D) Encourages early flowering
A) Vegetative growth B) Flowering C) Fruit setting and development D) Dormancy
A) Powdery mildew B) Root rot C) Black spot D) Thread blight
A) Reduces water requirements B) Encourages faster growth C) Increases fruit production D) Protects from sunscald
A) When the fruit color changes uniformly B) Immediately after flowering C) When the fruit is overripe and soft D) When the fruit is still green
A) Increased fruit production B) Root rot and death C) Improved nutrient absorption D) Faster growth rate
A) To increase water retention B) To prevent root diseases C) To encourage deeper root growth in the wrong way D) To reduce fertilizer requirements
A) Enhances nutrient uptake B) Controls pests C) Increases water retention D) Prevents diseases
A) To control tree height for easy harvesting B) To shorten the time to fruit production C) To increase fruit size D) To improve air circulation and light penetration
A) Several days to a few weeks B) A few hours C) Several months D) Indefinitely
A) Direct sunlight B) Cool and humid conditions C) Warm and dry conditions D) Freezing temperature
A) Reduces humidity around the tree B) Conserves moisture and suppresses weeds C) Increases soil temperature D) Prevents nutrient absorption
A) Mangosteens are primarily apomictic, not requiring pollination B) Pollination of the flowers C) Pest control D) Soil aeration
A) Increased fruit production B) Rapid growth C) Yellowing leaves D) Dark green leaves
A) Faster tree growth B) Improved soil health C) Increased disease resistance D) Larger fruit size
A) Aerial root system B) Taproot system C) Fibrous root system D) Adventitious root system
A) Lowland areas B) High mountain regions C) Temperate valleys D) Coastal plains
A) Inconsistent watering B) Pest infestation C) Lack of sunlight D) Over-fertilization
A) Speed up ripening B) Increase fruit size C) Protect from pests and sunburn D) Improve fruit color
A) Magnesium B) Phosphorus C) Nitrogen D) Potassium
A) 500-1000 mm B) 1500-2500 mm C) Over 3000 mm D) Less than 500 mm
A) Sexual reproduction with cross-pollination B) Seedless fruit development C) Vegetative propagation through cuttings D) Asexual reproduction without fertilization |