Description : Tree fruit can tolerate a soil pH in the range of: a. 4.5-8.5 b. 5.5-8.0 c. 5.0-8.0 d. 5.5-8.5
Last Answer : 5.5-8.5
Description : Chromose number of citrus is: a. 8 b. 9 c. 10 d. 11
Last Answer : 9
Description : Recommended matrix height in citrus is a. 4 inches b. 6 inches c. 9 inches d. 12 inches
Last Answer : 9 inches
Description : Tender crop cannot tolerate a minimum temperature of a. -2°C b. -1°C c. 0°C d. All of above
Last Answer : All of above
Description : Citrus seeds can be stored with Charcoal at following temperature in dry conditions. a. 0-3°C b. 3-10°C c. 10-15°C d. Above 15°C
Last Answer : 3-10°C
Description : Yield of carrot is maximum at pH: a. 6.5 b. 7.5 c. 8.5 d. Below 6.5
Last Answer : 6.5
Description : Nitrates are absorbed at pH below ___________: a. 5 b. 6 c. 7 d. 8
Last Answer : 5
Description : Which of the following shrubs is used as fruit beauty? a. Cassia glauca b. Nerium odorum c. Citrus mitis d. Hibiscus rosa sinensis
Last Answer : Citrus miti
Description : Yellow wasp is a major pest of: a. Grape fruit b. Peach fruit c. Citrus fruit d. Mango fruit
Last Answer : Grape fruit
Description : Soft nose is a disorder of: a. Date fruit b. Citrus fruit c. Mango fruit d. Apple fruit
Last Answer : Mango fruit
Description : Postharvest fumigation of citrus used to be done with: a. Thiobendazole (TBZ) b. Ethylene Dibromide (EDB) c. Above both d. None of above
Last Answer : Ethylene Dibromide (EDB)
Description : Which of the following plants are used for the extraction of scent? a. Rose b. Murva c. Citrus d. All of above
Last Answer : Citrus
Description : Following species of citrus can be propagated through layering. a. Sweet orange b. Sweet lime c. Kaghzi lime d. None of above
Last Answer : Kaghzi lime
Description : Following species of citrus can be propagated through cutting. a. Sweet orange b. Sweet lime c. Kaghzi lime d. Non of above
Last Answer : Sweet lime
Description : Hodgson divided genus citrus into: a. 16 species b. 26 species c. 36 species d. More than 36 species
Last Answer : 36 species
Description : Rate of ethylene production in citrus is comparatively_______ than in mango. a. Higher b. Lower c. Equal d. Unknown
Last Answer : Lower
Description : Citrus reticulat Blanco is the botanical name for a. Sour lime b. Mandarin c. Both of a and b d. None of these
Last Answer : Mandarin
Description : In citrus, 2n chromosome number is a. 18 b. 22 c. 33 d. 20
Last Answer : 18
Description : In citrus 80-90% of the active roots are present in the soil to a depth of: a. 25 cm b. 50 cm c. 75 cm d. 100 cm
Last Answer : 25 cm
Description : King of temperate fruit is: a. Mango b. Citrus c. Banana d. Appl
Last Answer : Appl
Description : The non-climacteric fruit is a. Banana b. Mango c. Apple d. Citrus
Description : The commercial yield of citrus orchards in tropical and subtropical are commonly: a. Equal b. 50% less in tropical than subtropical regions c. 50% more in tropical than subtropical regions d. All wrong
Last Answer : 50% less in tropical than subtropical regions
Description : Button in citrus fruit is: a. Calyx at base b. Calyx at apex c. a & b d. All of above
Last Answer : Calyx at base
Description : The coldest region for citrus growing is a. U.S.A. b. New Zealand c. Australia d. Pakistan
Last Answer : New Zealand
Description : Berry splitting in citrus and strawberry is due to a. High temperature b. Low moisture c. High sunlight d. High air pressure
Last Answer : High temperature
Description : Alternate bearing is a problem of following fruit crops a. Mango b. Apple c. Citrus d. All of above
Description : Excess of N in citrus plant may cause a. Leaf drop b. Lodging c. Flower drop d. Fruit drop
Last Answer : Flower drop
Description : Common rootstock for citrus in Punjab a. Rough lemon b. Sour orange c. Sweet orange d. Sweet lime
Last Answer : Rough lemon
Description : Citrus fruit is botanically: a. Hesperidium berry b. Pome fruit c. Climacteric fruit d. None
Last Answer : Thalamus
Description : Citrus belongs to sub family: a. Citrea b. Clausnea c. Aurantioideae d. Citrae
Last Answer : Aurantioideae
Description : Citrus is a special type of a. Berry b. Pome c. Drupe d. None of these
Last Answer : Berry
Description : Term viticulture is used for: a. Grape cultivation b. Citrus cultivation c. Mango cultivation d. None of these
Last Answer : Grape cultivation
Description : Term vine yard is used for: a. Grape plantation b. Citrus plantation c. Mango plantation d. None of these
Last Answer : Grape plantation
Description : Lower temperature than normal convert male flowers into perfect flowers in ________: a. Date palm b. Mango c. Papaya d. Citrus
Last Answer : Papaya
Description : The soil pH level primarily controls: a. Soil temperature b. Activity of soil-borne diseases c. Moisture absorption by roots d. Availability of essential plant nutrients
Last Answer : Availability of essential plant nutrients
Description : Clay soils require: a. A longer time for absorption of irrigation water than sandy soils b. A shorter time for absorption of irrigation water than sandy soils c. About the same time for absorption of ... soils d. More or less time for absorption than sandy soils, depending on the pH of the clay
Last Answer : A longer time for absorption of irrigation water than sandy soils
Description : Peat is often mixed into the growing medium of container plants because it: a. Is inexpensive b. Has good air and water holding capacities c. Has a high pH d. Absorbs excessive soluble salts
Last Answer : Has good air and water holding capacities
Description : Tuber initiation in potato starts after a. 7 th week b. 9 th week c. 5 th week d. 4 th week
Last Answer : 7 th week
Description : Dwarfing rootstock for apple in heavy soils is: a. M-7 b. M-9 c. M-11 d. Crab apple
Last Answer : M-9
Description : Common rootstocks for apple in Pakistan a. M-7 b. M-9 c. Crab apple d. Sky spur
Last Answer : Crab apple
Description : The pH optima for salivary analyse is (A) 6.6–6.8 (B) 2.0–7.5 (C) 7.9 (D) 8.6
Last Answer : Answer : A
Description : Umran No. 9 and 13 are the varieties of a. Loquat b. Grapes c. Banana d. Ber
Last Answer : Ber
Description : Elevation of temperate region from sea level ranges: a. 1000-2000 m b. 2500-3000 m c. 3500-4000 m d. b & c
Last Answer : b & c
Description : Home gardening deals with vegetable production for: a. Home consumption b. For local market c. At commercial level d. All of these
Last Answer : Home consumption
Description : Consecutive use of garlic will reduce the level of: a. Cholesterol b. Sugar c. Uric acid d. None of above
Last Answer : Cholesterol
Description : Cracking in tomato fruit is due to: a. High nitrogen level b. Temperature fluctuations c. Soil moisture fluctuations a. All of these
Last Answer : All of these
Description : The pH optima for pancreatic analyse is (A) 4.0 (B) 7.1 (C) 7.9 (D) 8.6
Last Answer : Answer : D
Description : The Genus Fortunella include : a. 7 spp. b. 6 spp. c. 5 spp. d. 4 spp
Last Answer : 4 spp
Description : With absorption and decomposition of CO2 in ocean water beyond desired level, there will be : (A) decrease in temperature (B) increase in salinity (C) growth of phytoplankton (D) rise in sea level
Last Answer : Answer: C Phytoplankton are photosynthesizing microscopic organisms that inhabit the upper sunlit layer of almost all oceans and bodies of fresh water. They are agents for "primary production," ... powerful biotoxins. These toxic blooms can kill marine life and people who eat contaminated seafood.
Description : Which of the following is not a method for sterilizing plant growing medium? a. Steaming b. Baking c. Using chemical fumigants d. Keeping the growing medium moist for 6 to 7 days
Last Answer : Keeping the growing medium moist for 6 to 7 days