Competitive Exams: Agriculture MCQs (Practice-Test 43 of 56)

  1. Evaluation of inbred in maize is carried out in four stages. Open-llinated variety is involved in the

    1. Penotypic evaluation

    2. Top cross evaluation

    3. Single cross evaluation

    4. Double cross evaluation

  2. Multiline varieties ar mixtures of

    1. Several morphologically different plants having identical disease resistance genes

    2. Bulked progenies of different inbred lines

    3. Several similar pur lines having different genes for disease resistance

    4. Morphologically identical plants with different genetic make-

  3. Consider the following statements: The performance of advanced generation synthetic varieties in theory, depends upon the

    1. Number of parental lines.

    2. Source of the parental lines included

    3. Mean performance of the parental lines

    4. Mean performance of all possible combination among ii the lines included.

    Of these statements

    1. 1, 2 and 3 are correct

    2. 1, 3 and 4 are correct

    3. 2, 3 and 4 are correct

    4. 1, 2 and 4 are correct

  4. The mechanism of male sterility in self pollinated corps can be successfully unitized to obtain

    1. Selfed seed

    2. Mutated seed without radiation treatment

    3. Hybride seed without emasculation

    4. Sterile seed

  5. The basic difference between a synthetic and composite variety lies in

    1. The difference in synthesis

    2. Testing for nicking ability

    3. The mode of pollination

    4. The number of components

  6. Which of the following steps ar involved in the utilization of hybrid vigour?

    1. Production of unifor homozygous inbred lines.

    2. Crossing inbred in combination that give unifor and productive single cross (F1) hybrids.

    3. Crossing single crosses in combination to give productive double cross hybrids.

    4. Mixing single cross F1 hybrids to give productive double cross hybrid

    Select the correct answer using the codes given below:

    1. 1, 2 and 4

    2. 1, 3 and 4

    3. 1, 2 and 3

    4. 2, 3 and 4

  7. A high yielding semi-ar variety of rice was first developed at

    1. CrrI, Cut tack

    2. IArI, New Delhi

    3. ICrISAT, Hyderabad

    4. IrrI, Manila

  8. The most popular extra-rly maturing variety in pigeon pea is

    1. UPAS-0

    2. Gulbarga

    3. Type 7

    4. Type 17

  9. Varalaxmi is a hybrid developed in

    1. rice

    2. Cotton

    3. Bringal

    4. Brassica

  10. Which of the following ar the correct sets of crop, variety and breading method employed to evolve the given variety? Crop Variety Breeding method

    1. Wheat Sharbati sonara Mutation breeding

    2. Sunflower APSH 11 Heterosis breeding

    3. Maize Amber Population improvement

    4. Ground nut TWV-Pedigree selection

    Select the correct answer using the codes given below:

    1. 2, 3 and 4

    2. 1, 3 and 4

    3. 1, 2 and 4

    4. 1, 2 and 3

  11. Transfer of resistance gene to high yielding self-llinated varieties is achieved by

    1. Hybridization and pedigree selection

    2. recureent backcrossing and selection

    3. Hybridization and bulk selection

    4. Hybridization and mass selection

  12. To which one of the following species does Indian indigenous cotton belong?

    1. Gossypium barbadense

    2. Gossypium hirsutum

    3. Gossypium arboretum

    4. Gossypium herbacium

  13. Generally fruit plants bear fruit once a year but ther ar some in India which bear fruit twice a year Which of the following belong to this category?

    1. Cashew

    2. Grape

    3. Jack fruit

    4. Pomegranate

    Select the correct answer using the codes given below:

    1. 1, 2 and 3

    2. 1, 2 and 4

    3. 1 and 3

    4. 2, 3 and 4

  14. Which of the following statements can be associated with the cultivation of mango as it is being practiced in India.

    1. Varieties of fruit trees like mango being grown ar inferior and they are often propagated by seeding.

    2. Socio-onomic status of most of the mango grower is low and they have small-zed holdings.

    3. Marketing of mango is chaotic in most of the mango growing parts of India.

    4. Knowledge about right type of mango varieties and their cultural practices is not available.

    Select the correct answer using the codes given below:

    1. 1, 2 and 4

    2. 2, 3 and 4

    3. 1, 3 and 4

    4. 1, 2 and 3

  15. Which of the following pair are correctly matched?

      • Dateplam
      • . Monoecious
      • Papaya
      • Olygamous
      • Walnut
      • Noecious
      • Pistachio nut
      • Ioecious

    Select the correct answer using the codes given below:

    1. 2, 3 and 4

    2. 1, 2 and 3

    3. 1, 2 and 4

    4. 1, 3 and 4

  16. ‘ratna’ variety of mango is a cross between

    1. Alphonso and banganapalli

    2. Neelum and langra

    3. Neelum and alphonso

    4. Dashehar and neelum

  17. Which of the following pair are correctly matched?

      • Likebana
      • Paved patch in a garden
      • Pinjor garden
      • Ghal garden
      • Topiary
      • Ipping and sheared shrubs
      • Carnation
      • Ut flower

    Select the correct answer using the codes given below:

    1. 2, 3 and 4

    2. 1, 2 and 4

    3. 1, 3 and 4

    4. 1, 2 and 3

  18. Consider the following species:

    1. Polyalthia longifolia

    2. Acalypha hispida

    3. Pentas lanceolata

    4. Ipomoea palmate

    Among these the one which can be planted in the shrubber would include

    1. 1 and 2

    2. 2 and 3

    3. 3 and 4

    4. 1, 2, 3 and 4

  19. Which one of the following chemicals is used for the reservation of fruit products?

    1. Potassium sulphate

    2. Potassium manganate

    3. Potassium metabisulphide

    4. Potassium met bisulphate

  20. Pollination of the fig flower by the blast phaga wasp takes place through

    1. Fasciation

    2. Parthenogenesis

    3. Caprification

    4. Apomixes

  21. Fruit stored in a cold chamber exhibit longer storage life because

    1. Exposur to sunlight is prevented

    2. The concentration of carbon dioxide in the environment is increased

    3. The rate of respiration is decreased

    4. Ther is an increase in humidity

  22. Multistor cropping system is practiced in

    1. Jammu and Kashmir

    2. Karntaka and Kerala

    3. Bihar and Madhya Pradesh

    4. rajasthan and Harayana

  23. Which of the following statements regarding crop rotation are correct?

    1. Susceptible vegetable to a particular pest should be following by a resistant one

    2. heavy feeder should be followed by low feeder

    3. deep rooted crops should be followed by the same type of crop

    4. legume must be followed by a nonlegume

    Select the correct answer using the codes given below:

    1. 2, 3 and 4

    2. 1, 2 and 3

    3. 1, 2 and 4

    4. 1, 3 and 4

  24. Which one of the following vegetables gives maximum calories per 100 gram of edible matter?

    1. Spinach

    2. Water melon

    3. Sweet potato

    4. Tomato

  25. Which of the following structures help the fungi to survive under adverse conditions?

    1. Zoosphores

    2. Chlarnydospores

    3. Sclerotia

    4. Conidiospores

    Select the correct answer using the codes given below:

    1. 3 and 4

    2. 2 and 4

    3. 1.2 and 3

    4. 2 and 3

  26. Modification of floral parts into leafy structures by pathogenic infection called

    1. Hyperplasia

    2. Hypertrophy

    3. Phyllody

    4. Witchy's broom

  27. Match List I (Diseases) with List II (Disease incidents) and select the correct answer:

    List-I List-II
    1. Kamal bunt of wheat

    2. Late blight of potato

    3. Flax rust

    4. Downy mildew of bajra

    1. Scleospor graminicola

    2. Tilletia indica

    3. Phytophthor infestans

    4. Melamspor lini

    • A
    • B
    • C
    • D
      • 3
      • 2
      • 4
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 3
      • 1
      • 4
      • 3
      • 2
      • 1
      • 4
  28. Consider the following statements: “Gundhi but” causes damage to paddy crop by

    1. Sucking juice from the developing grains

    2. Sucking juice from the leaves

    3. Sucking juice from the culm

    4. Affecting the quality and quantity of grain

    Of these statements

    1. 2 and 4 are correct

    2. 1, 3 and 4 are correct

    3. 2 alone is correct

    4. 1 alone is correct