Description : Postharvest fungicidal treatment of mango fruit is done with: a. Thiobendazole (TBZ) b. Ethylene Dibromide (EDB) c. Above both d. None of above
Last Answer : Thiobendazole (TBZ)
Description : Rate of ethylene production in citrus is comparatively_______ than in mango. a. Higher b. Lower c. Equal d. Unknown
Last Answer : Lower
Description : In spark ignition engines, the knocking tendency can be decreased by a) decreasing compression ratio b) controlling intake throttle c) controlling ignition timing d) adding dopes like tetraethyl lead and ethylene dibromide
Last Answer : Answer: d Explanation: None.
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 : 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 : 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 : 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 : 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 : Recommended matrix height in citrus is a. 4 inches b. 6 inches c. 9 inches d. 12 inches
Last Answer : 9 inches
Description : Citrus can tolerate a salinity level a. pH 9.0 b. pH 8.5 c. pH 7.5 d. pH 4.5
Last Answer : pH 8.5
Description : Alternate bearing is a problem of following fruit crops a. Mango b. Apple c. Citrus d. All of above
Last Answer : 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 : Chromose number of citrus is: a. 8 b. 9 c. 10 d. 11
Last Answer : 9
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 major auxin produced in plants is: a. Indole-3-butyric acid (IBA) b. Naphthalene acetic acid (NAA) c. Indole-3-acetic acid (IAA) d. Ethylene
Last Answer : Indole-3-acetic acid (IAA)
Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above
Last Answer : All of the above
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Last Answer : GA
Description : before and after home fumigation
Last Answer : Need Answer
Description : The process of heating of soil with polythene is known as a. Solarization b. Fertigation c. Herbigation d. Fumigation
Last Answer : a. Solarization
Description : 2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide
Last Answer : A secondary alkyl bromide
Description : 2-Methylpropene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide
Last Answer : A primary alkyl bromide
Description : In temperate climates, pruning should not be done near the end of the summer because: a. New growth will not harden before winter b. It may increase foliage disease c. Plants will not recover in time to produce new growth before winter d. Sever “bleeding” from the cuts will kill the plant
Last Answer : New growth will not harden before winter
Description : Pruning in narrow leave evergreens should be done during: a. Early fall b. Winter c. Summer d. Early spring
Last Answer : Early spring
Description : Staking of vines in rainy season is done to avoid: a. Insect attack b. Disease attack c. Sunscald d. None of these
Last Answer : Disease attack
Description : Seed production in biennial vegetables is mostly done by: a. Seed to seed method b. In situ method c. Replanting method d. All of above
Description : Isolation during seed production is done by: a. Types (Varieties) b. Plantation at a distance c. Zoning d. All of above
Last Answer : Plantation at a distance
Description : Cost benefit ratio in potato production should range: a. 1:5 b. 1:10 c. 10:1 d. Both ‘a’ and ‘b’
Last Answer : Both ‘a’ and ‘b’
Description : Mowing of grasses in winter is recommended after: a. 20-30 days b. 30-40 days c. 40-50 days d. Both ‘b’ and ‘c’
Last Answer : Both ‘b’ and ‘c’
Description : In some plants the buds contain both leaves and flowers and known as a. Leaf buds b. Flower buds c. Scaly buds d. Mixed buds
Last Answer : Mixed buds
Description : The sweet orange is a a. Loose skinned b. Tight skinned c. Both of them d. Non of these
Last Answer : Tight skinned
Description : Both Mango and Pistachio belongs to one family: a. Anacardiaceae b. Mangifera c. Gramineae d. None
Last Answer : Anacardiaceae