Mango
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Question No. 1
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What is the fruit type of a mango?
A.
Berry
B.
Pome
C.
Drupe
D.
Hesperidium
Question No. 2
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Which country is the world's largest producer of mangoes?
A.
China
B.
Mexico
C.
Thailand
D.
India
Question No. 3
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What is the edible part of a mango called?
A.
Endocarp
B.
Mesocarp
C.
Epicarp
D.
Seed
Question No. 4
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Which insect is the primary pollinator for mango trees?
A.
Honey bee
B.
Butterfly
C.
House fly
D.
Moth
Question No. 5
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Which vitamin is most abundant in mangoes?
A.
Vitamin C
B.
Vitamin K
C.
Vitamin A
D.
Vitamin B6
Question No. 6
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The 'Rumani' mango variety is used for its dwarfing effect on which other variety?
A.
Langra
B.
Dasheri
C.
Alphonso
D.
Chausa
Question No. 7
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What is the major pest that affects mango crops?
A.
Fruit fly
B.
Stem borer
C.
Mealy bug
D.
Mango hopper
Question No. 8
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What is the primary cause of 'spongy tissue' in mangoes?
A.
Fungal infection
B.
Insect damage
C.
Boron deficiency
D.
Convection heat
Question No. 9
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A deficiency in which nutrient leads to internal fruit necrosis in mangoes?
A.
Calcium
B.
Zinc
C.
Boron
D.
Potassium
Question No. 10
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What is the commercial method of propagation for mangoes?
A.
Inarching
B.
Air layering
C.
Veneer grafting
D.
Seed propagation
Question No. 11
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The 'Amrapali' mango variety is known for its suitability for high-density planting (HDP). What is the recommended spacing?
A.
5m x 5m
B.
10m x 10m
C.
2.5m x 2.5m
D.
7m x 7m
Question No. 12
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Which of the following mango varieties is known for being the sweetest and a late-season variety?
A.
Kesar
B.
Chausa
C.
Bombay Green
D.
Langra
Question No. 13
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Which mango variety is considered the best for export but is susceptible to spongy tissue?
A.
Banganapalli
B.
Alphonso
C.
Neelam
D.
Kesar
Question No. 14
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The hybrid mango variety 'Sindhu' is a cross between which two parent varieties?
A.
Dasheri x Neelam
B.
Ratna x Alphonso
C.
Neelam x Dasheri
D.
Totapuri x Kesar
Question No. 15
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What is the primary reason for 'clustering' or 'jhumka' in mangoes?
A.
Excessive irrigation
B.
High humidity
C.
Improper pollination and fertilization
D.
Nutrient toxicity
Question No. 16
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Which of the following is a characteristic of North Indian mango cultivars?
A.
Polyembryonic
B.
Regular bearing
C.
Self-incompatible
D.
Resistant to malformation
Question No. 17
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Which of the following is a polyembryonic mango variety?
A.
Langra
B.
Dasheri
C.
Alphonso
D.
Olour
Question No. 18
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What management practice is recommended to control mango mealy bugs?
A.
Pruning affected branches
B.
Foliar spray of water
C.
Alkathene banding on the trunk
D.
Introducing predatory insects
Question No. 19
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Vapor Heat Treatment (VHT) is a quarantine measure used to disinfect mangoes against which pests?
A.
Mango hopper and mealy bug
B.
Stem borer and leaf webber
C.
Fruit flies and stone weevil
D.
Powdery mildew and anthracnose
Question No. 20
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The hybrid variety 'Mallika' is a cross between which two mango varieties and is known for what characteristic?
A.
(Dasheri x Neelam), High Vitamin C
B.
(Neelam x Dasheri), Highest Vitamin A content
C.
(Ratna x Alphonso), Seedless
D.
(Alphonso x Banganpalli), Spongy tissue resistance
Question No. 21
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A farmer notices that his mango blossoms are dropping excessively and many that set fruit are malformed. Based on the provided text, what is a likely cause and a recommended control measure?
A.
Cause: Boron deficiency, Control: Foliar spray of borax
B.
Cause: Convection heats, Control: Orchard cooling systems
C.
Cause: Low temperature & fungi, Control: Deblossoming
D.
Cause: Improper pollination, Control: Introducing honey bees
Question No. 22
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If a mango grower wants to plant a variety that is regular bearing, suitable for long transport, and can potentially produce two crops a year in certain regions, which variety would be the best choice?
A.
Langra
B.
Alphonso
C.
Neelam
D.
Chausa
Question No. 23
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Considering the characteristics of North and South Indian mango varieties, which statement is most accurate?
A.
North Indian varieties like Langra are polyembryonic and regular bearers.
B.
South Indian varieties like Olour are monoembryonic and alternate bearers.
C.
North Indian varieties like Dasheri are monoembryonic and alternate bearers.
D.
South Indian varieties like Neelam are monoembryonic and alternate bearers.
Question No. 24
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A new mango orchard is being planned in the Konkan region of Maharashtra, and the grower wants to use the most recent, localized propagation method. Which technique should be chosen?
A.
Veneer grafting
B.
Inarching
C.
Epicotyl stone grafting
D.
Soft wood grafting
Question No. 25
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A mango variety is described as being a hybrid of 'Banganpalli' and 'Alphonso', resulting in a product that is free from spongy tissue. What is the name of this hybrid variety?
A.
Ratna
B.
Arka Puneet
C.
Arka Anmol
D.
Arka Aruna
Question No. 26
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The causal organism for powdery mildew in mango is identified as...
A.
Colletotrichum gloesporoides
B.
Fusarium monilliformae
C.
Oidium mangiferae
D.
Xanthomonas campestris
Question No. 27
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A "bunchy top" appearance in both floral and vegetative parts of a mango tree is a key symptom of which disease?
A.
Anthracnose
B.
Malformation
C.
Black tip
D.
Spongy tissue
Question No. 28
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A mango orchard is showing a high incidence of fruits with hardened, black tips. This problem is likely exacerbated by the orchard's proximity to...
A.
a water reservoir.
B.
a dense forest.
C.
a brick manufacturing unit.
D.
a dairy farm.
Question No. 29
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To induce flowering in an 'off year' for a mango variety like Dashehari, which plant growth regulator is commonly applied to the soil?
A.
Gibberellic Acid
B.
Naphthalene Acetic Acid (NAA)
C.
Ethephon
D.
Paclobutrazol
Question No. 30
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The 'Alphonso' mango variety is particularly known for its high susceptibility to which physiological disorder?
A.
Leaf scorching
B.
Black tip
C.
Spongy tissue
D.
Malformation
Question No. 31
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Which of the following environmental conditions is most conducive to a severe outbreak of Anthracnose in mangoes?
A.
Dry and cool weather
B.
High humidity and frequent rainfall
C.
Hot and arid conditions
D.
Low temperature and high winds
Question No. 32
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A recommended management practice for mango malformation involves deblossoming at the bud burst stage with a spray of...
A.
Karathane @ 0.1%.
B.
Borax @ 0.6%.
C.
NAA @ 200 ppm.
D.
Potassium Sulphate @ 5%.
Question No. 33
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Leaf scorching in mango trees, characterized by burning-like symptoms on the leaf margins, is caused by a deficiency of which nutrient?
A.
Boron
B.
Zinc
C.
Potassium
D.
Iron
Question No. 34
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At what time of the year is the threat of powdery mildew in mango orchards most severe, often requiring chemical intervention?
A.
May-June
B.
Aug-Sept
C.
Nov-Dec
D.
Feb-March
Question No. 35
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To correct the nutrient deficiency that leads to black tip and internal necrosis in mangoes, what substance is sprayed at a 0.6% concentration?
A.
Zinc Sulphate
B.
Borax
C.
Potassium Sulphate
D.
Mancozeb
Question No. 36
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A farmer wishes to plant a mango orchard in a region known for high soil temperatures. Which of the following varieties would be a wise choice to avoid the problem of internal breakdown?
A.
Alphonso
B.
Chausa
C.
Bombay Green
D.
Ratna
Question No. 37
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Which of the following mango varieties is known for its regular bearing habit, making it less prone to alternate bearing?
A.
Chausa
B.
Dashehari
C.
Langra
D.
Amrapali
Question No. 38
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The fungicide Mancozeb is recommended for managing mango malformation at what application rate?
A.
20 g/liter
B.
0.2 g/liter
C.
2 g/liter
D.
200 ppm
Question No. 39
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Internal Necrosis in mango fruits is primarily caused by a lack of...
A.
Potassium.
B.
Nitrogen.
C.
Boron.
D.
Calcium.
Question No. 40
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A mango fruit that appears normal externally but has a spongy, yellow, desiccated patch of pulp inside is exhibiting symptoms of...
A.
Internal Necrosis.
B.
Spongy Tissue.
C.
Black Tip.
D.
Anthracnose.
Question No. 41
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The pathogen responsible for causing Anthracnose, a significant disease in humid mango-growing regions, is...
A.
Oidium mangiferae.
B.
Fusarium monilliformae.
C.
Colletotrichum gloesporoides.
D.
Erwinia mangiferae.
Question No. 42
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A farmer in Uttar Pradesh growing the 'Chausa' variety notices a high degree of 'bunchy top' in his orchard. Which of the following is the most probable diagnosis?
A.
Powdery Mildew
B.
Mango Malformation
C.
Spongy Tissue
D.
Alternate Bearing
Question No. 43
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Borax, used for managing certain mango disorders, contains what percentage of the essential micronutrient boron?
A.
25%
B.
11%
C.
5%
D.
1.5%
Question No. 44
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The phenomenon where a mango tree like 'Langra' produces a heavy crop one season, followed by little to no fruit in the subsequent season, is termed...
A.
Internal Necrosis.
B.
Leaf Scorching.
C.
Alternate Bearing.
D.
Malformation.
Question No. 45
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What is the recommended concentration for a Karathane spray to control powdery mildew in mango?
A.
1.0%
B.
0.01%
C.
0.1%
D.
2.0%
Question No. 46
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An effective and direct treatment for correcting leaf scorching in mango is a foliar spray of...
A.
Borax 0.6%.
B.
Paclobutrazol 5g/plant.
C.
Karathane 0.1%.
D.
Potassium sulphate 5%.
Question No. 47
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Based on susceptibility, a farmer in a region with a high incidence of malformation should be cautious about planting which of the following varieties?
A.
Neelam
B.
Ratna
C.
Bombay Green
D.
Amrapali
Question No. 48
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What is the primary cause identified for the development of spongy tissue in mangoes like Alphonso?
A.
Fungal infection
B.
Viral pathogen
C.
Nutrient deficiency
D.
Soil heat convection
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