Competitive Exams: Agriculture MCQs (Practice-Test 49 of 56)

  1. Consider the following fruit crops:

    1. Banana

    2. Citrus

    3. Mango

    4. Guava

    The correct sequence of these crops in

    DECrEASING order of their cultivate acreage in India is

    1. 3, 1, 4, 2

    2. 3, 1, 2, 4

    3. 1, 3, 2, 4

    4. 1, 3, 4, 2

  2. Which one of the following is a monoembryonic citrus?

    1. Sweet orange

    2. Acid lime

    3. Mandarin

    4. Pummelo

  3. Match List I (Crop) with List II (Variety) and select the correct answer:

    List-I List-II
    1. Banana

    2. Cabbage

    3. Mango

    4. Okra

    1. Arka Puneet

    2. Cros Michel

    3. Pride of India

    4. Pusa Sawani

    • A
    • B
    • C
    • D
      • 3
      • 2
      • 4
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 3
      • 1
      • 4
      • 3
      • 2
      • 1
      • 4
  4. Tangor ar the hybrids of

    1. Mandarin x Sweet orange

    2. Mandarin x Grape fruit

    3. Lemon x Lime

    4. Tangelos x Sweet orange

  5. In Quincunx system of orchar planting, the number of plants required is

    1. Almost double number of plants required in squar system

    2. 50% mor than that required in the squar system

    3. 15% mor than that required in the squar system

    4. 5% mor than that required in the squar system

  6. Nuclear seedlings are

    1. Inferior to their parents

    2. Weaker and resistant to diseases

    3. Vigorous and true--pe

    4. Superior to their parents

  7. Match List I (Crop) with List II (recommended plant density/ha) and select the correct answer:

    List-I List-II
    1. Banana

    2. Guava

    3. Fig

    4. Mango

    1. Density 70

    2. Density 660

    3. Density 3000

    4. Density 270

    • A
    • B
    • C
    • D
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
      • 1
      • 2
      • 4
      • 3
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
  8. Match List I (Crop) with List II (Problem associated with the crop) and select the correct answer:

    List-I List-II
    1. Mango

    2. Grape

    3. Pineapple

    4. Custar apple

    1. Poor fruit set

    2. Malformation

    3. Powder mildew

    4. Fascination

    • A
    • B
    • C
    • D
      • 3
      • 2
      • 4
      • 1
      • 2
      • 3
      • 4
      • 1
      • 3
      • 2
      • 1
      • 4
      • 2
      • 3
      • 1
      • 4
  9. Which one of the following sets of crops would be most suitable for intercropping in a bearing young mango orchard?

    1. Soybean and cowpea

    2. Coriander and cowpea

    3. Soybean and coriander

    4. Soybean, coriander and cowpea

  10. Different fruits supply different calories per 100 grams of edible material. Consider the following fruits in this regard:

    1. Almond

    2. Dried dates

    3. Banana

    4. Lime

    The correct sequence of these fruits in ter of DECrEASING order of their calorific values is

    1. 2, 1, 3, 4

    2. 1, 2, 3, 4

    3. 1, 2, 4, 3

    4. 2, 1, 4, 3

  11. Consider the following statements: Regular consumption of fruit and vegetables is necessar to meet the vit. C needs of the human body because

    1. All fruits and vegetables contain vit. C

    2. Vit. C can neither be synthesized nor stored in human body.

    3. Vit. C controls rickettsiasis.

    Of these statements

    1. 2 alone is correct

    2. 1 and 3 are correct

    3. 1 alone is correct

    4. 1.2 and 3 are correct

  12. Match List I (Grape cultivars) with List (Uses) and select the correct answer using the codes given below:

    List-I List-II
    1. Thompson seedless

    2. Cheema sahibi

    3. Pearl--saba

    4. Perlette

    1. Wine

    2. raisin

    3. Canning

    4. Juice

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
      • 1
      • 2
      • 4
      • 3
  13. Which one of the following is the correct sequence in the ethylene biosynthesis pathway?

    1. Methionine, ACC, SAM. Ethylene

    2. Methionine, SAM. ACC, Ethylene

    3. ACC, Methionine, SAM, Ethylene

    4. ACC, SAM, Methionine, Ethylene

  14. Rhizoctonia solani causes a tuber-rne disease of potato, called

    1. Black scurf

    2. Charcoals rot

    3. Common scab

    4. Powder scab

  15. What is the correct sequence of the following historical plant disease epiphytotics?

    1. Coffee ruts epiphytotics in Ceylon.

    2. Potato late blight epiphytotics in Ireland.

    3. rice lead spot (Helminthosorium) epiphytotics in Bengal

    Select the correct answer using the codes given below:

    1. 1, 3, 2

    2. 1, 2, 3

    3. 3, 1, 2

    4. 2, 1, 3

  16. Which one of the following pair is correctly matched?

      • White fly
      • Yellow mosaic of green gram
      • Aphid
      • Mango malformation
      • Thrip
      • Groundnut tikka disease
      • Brown plant hopper
      • Blast of rice
  17. Consider the following stages in the life cycle of the fungus that causes black or stem rust of wheat:

    1. Telia.

    2. Uredia

    3. Spermogonia

    4. Aecia.

    The correct sequence of these stages in the life cycle of the function is:

    1. 1, 2, 3, 4

    2. 2, 1, 4, 3

    3. 2, 1, 3, 4

    4. 1, 2, 4, 3

  18. Which one of the following is the cause of black hear of potato?

    1. Copper deficiency

    2. Boron deficiency

    3. Potassium deficiency

    4. Oxygen deficiency

  19. Match List I with List II and select the correct answer:

    List-I (Diseases) List-II (Gener of fungi)
    1. Bunts

    2. Downy Mildews

    3. rusts

    4. Wilts

    1. Plasmopara, Bremia

    2. Neovossia, Tilletia

    3. Sphacelotheca, Tolyposporium

    4. Fusarium, Verticillium

    5. Melampsora, Urornyces

    • A
    • B
    • C
    • D
      • 2
      • 1
      • 5
      • 4
      • 2
      • 4
      • 3
      • 1
      • 3
      • 2
      • 1
      • 4
      • 4
      • 1
      • 4
      • 3
  20. rice-eat cropping system is prone to some serious diseases which can affect both the crops. Which one of the following rice diseases can seriously damage the wheat crop in India, if virulent strains of the pathogen ar introduced?

    1. Blast

    2. Bacterial left blight

    3. Brown spot

    4. Foolish seedling disease

  21. Which one of the following fungicides is ineffective against loose smut of wheat?

    1. Baytan

    2. Bavistin 50 W

    3. Thiram

    4. Vitacax 75W

  22. Which one of the following types of fungicides is of greatest importance in protecting plants from fungal pathogens?

    1. Therapeutant fungicides

    2. Eradicant fungicides

    3. Protectant fungicides

    4. Systemic fungicides

  23. Which one of the following sets of abbreviations correctly designates pesticides formulation in the solid state?

    1. SD, EC and G

    2. SD, EEC and WP

    3. SD, G and WP

    4. EC, G and WP

  24. Which one of the following pesticides is banned in India?

    1. Endrin

    2. BHC

    3. Malathion

    4. Endosulfan

  25. Which of the following would cause development of insect resistance to insecticides?

    1. Sub-thal dose of the insecticide applied.

    2. repetitive use of the same insecticide.

    3. Host plant factors.

    4. rigour of biotic factors.

    Select the correct answer using the codes given below:

    1. 2 and 4

    2. 1 and 2

    3. 1, 2 and 3

    4. 1, 2, 3 and 4

  26. Match List I with List II and select the correct answer using the codes given below:

    List-I (Pesticides of plant origin) List-II (Sources)
    1. Neem Products

    2. Nicotin

    3. Pyrethrum

    4. rote none

    1. Azadirachta indica

    2. Chrysanthemum cineraria folium

    3. Derris elliptica

    4. Nicotina rustica

    • A
    • B
    • C
    • D
      • 4
      • 1
      • 2
      • 3
      • 1
      • 4
      • 2
      • 3
      • 1
      • 4
      • 3
      • 2
      • 4
      • 1
      • 3
      • 2
  27. Consider the following statements: Microbial pesticides like Baillis thuingiensis (Bt) and Nuclear Polyhedrosis viruses (NPV) ar well-ited to the integrated pest management programme because

    1. The development of resistance in insects against pesticides is nil.

    2. Ther is much less possibility of resistance development against such pesticides

    3. They ar safe and ecofriendly.

    4. They ar inexpensive.

    Of these statements

    1. 1, 2, 3 and 4 are correct

    2. 2, 3 and 4 are correct

    3. 3 and 4 are correct

    4. 2 and 3 are correct

  28. Equilibrium Position (EQ), Economic Threshold Level (ETL) and Economic Injur Level (EIL) of an insect pest attacking particular crop is shown in the figur below. The correct control strategy for this situation would be

    1. Spray insecticide at EIL

    2. Spray insecticide at ETL

    3. Spray insecticide below ETL

    4. None of the above as insecticide spray is not required

  29. Which one of the following is the most suitable substances or calibrating hand sprayer befor taking up spraying with pesticides?

    1. Linseed oil

    2. Mustar oil

    3. Water

    4. Kerosene oil

  30. Match List I (Name of equipment) with List II (Types) and elect the correct answer:

    List-I List-II
    1. Batter operated CDA sprayer

    2. Knapsack power sprayer

    3. rocking sprayer

    4. Soil injector

    1. High volume sprayer

    2. Fumigation

    3. Low volume sprayer

    4. ULV sprayer

    • A
    • B
    • C
    • D
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 4
      • 3
      • 2
      • 1