A) Arctic B) Temperate C) Desert D) Tropical and subtropical
A) -10-0°C (14-32°F) B) 0-10°C (32-50°F) C) 21-33°C (70-91°F) D) 40-50°C (104-122°F)
A) Waterlogged soil B) Well-drained, fertile soil C) Sandy, infertile soil D) Heavy clay soil
A) 6.0-6.5 B) 4.0-4.5 C) 7.5-8.0 D) 8.5-9.0
A) In well-drained seedbeds or containers B) Scattered randomly C) Directly in the field D) In waterlogged soil
A) 2-3 weeks B) 6 months C) 1 month D) 1 day
A) Never, relying only on rainfall B) Regularly, keeping the soil moist but not waterlogged C) Daily, regardless of soil moisture D) Only when the soil is completely dry
A) Immediately after germination B) When they are 15-20 cm (6-8 inches) tall C) When they are 5 cm (2 inches) tall D) After 6 months
A) 5 meters (16 feet) B) 2-3 meters (6-10 feet) C) 0.5 meters (1.5 feet) D) 10 meters (33 feet)
A) To reduce watering needs B) To remove excess male or unproductive plants C) To increase fruit size D) To prevent disease
A) Only once at planting B) Regularly, throughout the growing season C) Never D) Only during flowering
A) Balanced NPK fertilizer B) High phosphorus fertilizer C) High potassium fertilizer D) High nitrogen fertilizer
A) Prune all leaves B) Severe pruning to shape the plant C) Remove dead or diseased leaves D) No pruning is necessary
A) Bees B) Ladybugs C) Spider mites D) Earthworms
A) Rust B) Black spot C) Powdery mildew D) Papaya ringspot virus
A) By increasing watering B) By removing infected plants and controlling aphids C) By applying fungicides D) By applying herbicides
A) 12-18 months B) 6-9 months C) 1-2 months D) 3-4 weeks
A) The fruit is still green B) The skin turns yellow or orange C) The fruit falls off the tree D) The fruit is very hard
A) By shaking the tree until the fruit falls B) By pulling the fruit straight down C) By cutting the fruit from the stem with a knife D) By gently twisting the fruit from the stem
A) In a damp place B) At room temperature until ripe, then refrigerated C) In direct sunlight D) In a freezer
A) Attracts pests B) Reduces soil temperature drastically C) Conserves moisture and suppresses weeds D) Increases soil acidity
A) Reduces nutrient uptake B) Increases fruit size C) Encourages fungal growth D) Prevents root rot
A) A plant with both male and female flowers B) A plant with only female flowers C) A plant that does not produce flowers D) A plant with only male flowers
A) To reduce sunlight exposure B) To prevent damage to leaves and fruit C) To decrease soil temperature D) To increase pollination
A) To prevent pest infestations B) To improve soil drainage C) To increase fruit production D) To provide support against wind
A) Accelerates plant growth B) Reduces water requirements C) Increases fruit sweetness D) Reduces soilborne diseases and pests
A) Shortens the growing period B) Increases fruit size C) Improves soil fertility D) Reduces the need for chemical control
A) Pest control B) Soil aeration C) Pollination D) Weed control
A) Weeds compete for nutrients and water B) Weeds attract beneficial insects C) Weeds provide shade for the roots D) Weeds improve soil drainage
A) Attracts harmful pests B) Improves soil structure and fertility C) Reduces water infiltration D) Increases soil compaction |