Competitive Exams: Agriculture MCQs (Practice-Test 5 of 56)
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In India the productivity of banana is highest in
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West Bengal
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Tamil Nadu
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Kerala
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Maharashtra
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Which one of the following variety of mangoes is developed by clonal selection and bear fruit regularly?
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Niranjan
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Manjira
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Dashehar 51
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Arka Neelikiran
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The color development in chilli is due to
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Lycopine
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Capasanthin
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Capsaicin
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I2 Carptene
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How much quality of true potato seed is required for one hectar planning?
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100 gram
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200 gram
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300 gram
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400 gram
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Match List I with List II and select the correct answer:
List-I (Vegetable crops) List-II (Insect pests) -
Cauliflower
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Chilli
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Okra
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Potato
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Thrips
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Diamond back moth
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Cut worm
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Shoot and fruit borer
- A
- B
- C
- D
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- 2
- 1
- 3
- 4
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- 1
- 2
- 3
- 4
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- 2
- 1
- 4
- 3
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- 1
- 2
- 4
- 3
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The Unifor Flowering In Pineapple Can Be Induced By Application Of
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100 ppm MH
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50 ppm GA3
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25 ppm Ethephone + 2% urea
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‘roopa’ Pacloutrazol
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‘roopa’ is an improved variety of
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Litchi
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Walnut
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Pomegranate
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Guava
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Consider the following cut flowers:
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rose
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Chrysanthemum
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Gerbera
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Tulip
The correct sequence of their demand in descending order in international trade is
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1, 3, 2, 4
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1, 4, 3, 1
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2, 1, 4, 3
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4, 2, 3, 1
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Maximum ar under metha cultivation in India is covered with
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Spearmint
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Japanese mint
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Peppermint
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Bergamot mint
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Chamzulene, a chemical compound found in ‘blue oil,’ is extracted from
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Vetiver
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Matricaria
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Tuberose
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Geranium
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The regeneration of root primordial can be stimulated through basal temperature treatment in
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Air layering
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Stool layering
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Hardwood cutting
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Leaf cutting
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Which of the following ar responsible for discoloration in canned fruit products?
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Low temperature
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Copper salt
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Sugar
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Enzymes
Select the correct answer using the codes given below:
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1 and 2
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1 and 3
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2 and 4
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3 and 4
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The optimal storage temperatur for prolonging the shelf line of cut roses is
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25° C to 30° C
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12° C to 15° C
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2° C to 5° C
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0°
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consider the following steps:
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Peeling
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Grading
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roasting
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Packing
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Shelling
The correct sequence of these steps cashew processing is
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3, 2, 1, 5, 4
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5, 2, 1, 3, 4
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1, 5, 3, 2, 4
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3, 5, 1, 2, 4
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Which one of the following is the permanent method of preservation of fruits and vegetables?
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Pasteurization
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Banching
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Canning and bottling
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Exclusion of moisture
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Epiricania melanoleuca is a parasitoid effective against
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Sugarecane scale
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rice mealy bug
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Sugarcane Pyrilla
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rice leaf hopper
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Which one of the following types of resistance is present in a crop variety showing high degree of resistance to a pathogen but becoming susceptible to it after large scale cultivation for 4 to 5 years or so?
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Horizontal resistance
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Durable resistance
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General resistance
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Vertical resistance
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consider the following Practices:
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Selection of resistance varieties.
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Spraying of suitable fungicide and antibiotic.
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Suspension of to dressing of n fertilizer after infection of crop.
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Draining excess water from field after infection
The correct sequence of adoption of these practices for the integrated management of bacterial blight of paddy is:
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1, 3, 4, 2
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3, 2, 1, 4
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1, 3, 2, 4
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3, 1, 4, 2
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Match List I with List II and select the correct answer:
List-I (Colour) List-II (Toxicity) -
red
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Blue
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Yellow
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Green
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Moderately toxic
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Highly toxic
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Extremely toxic
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Less toxic
- A
- B
- C
- D
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- 3
- 1
- 2
- 4
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- 1
- 2
- 4
- 3
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- 3
- 1
- 4
- 2
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- 1
- 3
- 2
- 4
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Which one of the following sequences is being used in a combination seed treatment?
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rhizobium. Fungicide and insecticide
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rhizobium. Insecticide and fungicide
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Fungicide, insecticide and rhizobium
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Insecticide, rhizobium and fungicide
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Consider the following statements associated with neem (Azadirachta indica):
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The repellent and anti-edant effects of neem have been reported against a wide range of insect pests.
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The neem is a microbial insecticide and can be applied with conventional spray equipment.
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All parts of neem tree posses insecticidal activity but seed kernel is the most active.
Which of the above statements are correct?
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1, 2 and 3
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1 and 2
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2 and 3
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1 and 3
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Insect population density responds to pesticide treatment the graphs given below showing the effect of pesticide treatment on the pest number with time: The backlashes of the pesticides are:
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Secondar outbreak
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resistance
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resurgence
Match the graphs with the backlashes and select the correct answer using the code given below:
A B C
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3 1 2
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1 2 3
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3 2 1
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2 3 1
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consider the following Koch's postulates:
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The organism found associated with the diseases has to be isolated in pure culture.
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The organism must produce disease in a healthy susceptible host.
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The organism must be identified.
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The organism must be resolated from the experimental host again in pure cultur and its identity established
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A specific organism must always be associated with disease.
The correct sequence of these postulates is
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1, 4, 3, 2, 5
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1, 3, 2, 5, 4
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5, 1, 2, 4, 3
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5, 1, 3, 2, 4
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Which one of the following disease is the classical example of synergism among plant viruses?
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Super mild mosaic of potato
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Leaf roll of potato
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rugose mosaic of potato
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Mild mosaic of potato
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consider the following citrus diseases
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Exocortis
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Stubborn
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Tristeza
And the causal agents viroid, virus and
Spir plasma.
The arrangement of these of these diseases according to the given sequence of the causal agents is
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1, 3, 2
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1, 2, 3
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3, 1, 2
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2, 3, 1
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Match List I with List II and select the correct answer:
List-I (Diseases) List-II (Causal organism) -
White blister of crucifers
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Green ear diseases of pear millet
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Powder mildew of pea
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Ergot of cereals
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Sclerospor graminicola
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Albugo candida
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Claviceps purpurea
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Erysiphe polygoni
- A
- B
- C
- D
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- 2
- 3
- 1
- 4
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- 1
- 3
- 4
- 2
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- 2
- 1
- 4
- 3
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- 4
- 1
- 2
- 3
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Which one of the following is the characteristic of stripe rust of wheat?
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Brown, elongated ruptured pustules on stem and leaf sheath
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Yellow, small, spherical--er ruptured uredo-stules in rows of leaf
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Brown, spherical--al, ruptured uredo-stules on leaf
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Black teliopustules, scattered on under surface of the leaf.
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Which one of the following causal agents of plant diseases is smallest in size?
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Virus
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Mycoplasma
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Viroid
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Spiroplasma
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Which one of the following viral diseases is recently in traduced in India from a neighboring country?
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Papaya leaf curl
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Cottol leaf curl
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Chilli leaf curl
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Tomato leaf curl
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What is the amount of liquid insecticide with 50% active ingredient required for preparing 500 liter of the spray mixtur of 0.25% strength?
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0.75 l
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1.25 l
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2.5 l
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5.0 l
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