NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Agriculture MCQs (Practice_Test 11 of 56)

Get top class preparation for competitive exams right from your home: get questions, notes, tests, video lectures and more- for all subjects of your exam.

  1. The problem of testing ver large number of inbred lines for their general combining ability in developing a double cross hybrid of maize could be best solved by using
    1. Test cross method
    2. Top cross method
    3. Diallele cross method
    4. Convergent selection method
  2. How many possible double cross hybrids could be made from ten inbred lines of maize?
    1. 40
    2. 80
    3. 160
    4. 630
  3. Ther ar certain basic requirements in selecting the component inbred lines of synthetic varieties in cross-llinated crops. One of the most important criteria is that these lines must have good
    1. Specific combining ability
    2. General combining ability
    3. Self-compatibility
    4. Inbreeding depression
  4. A hybrid obtained from a single cross crossed with an open pollinated variety is called
    1. Double top cross
    2. Double cross hybrid
    3. Dioecious
    4. Dichogamy
  5. In rice hybrid seed is produced by crossing
    1. A x B lines
    2. A x r lines
    3. B x r lines
    4. A x B x r lines
  6. Middle lamella occur in
    1. Animal cells
    2. Plant cells
    3. Bacterial cells
    4. Fungal cells
  7. In Drosophila melanogaster which ratio of X-romosome to autosomes (A) results into me tamales?
    1. IX: 2A
    2. 2X: 4A
    3. 2X: 3A
    4. IX: 3A
  8. In mammalian population the sex ratio of male: Female s 1: 1. The Reason for this is
    1. Heterogametic male
    2. Homogametic male
    3. Heterogametic female
    4. Homogametic female
  9. Match List I with List II and select the correct answer:
    Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 11 of 56)
    List-I (Crop foundation seed)List-II (Isolation distance)
    1. rice
    2. Maize
    3. Bajra
    4. Sorghum
    1. 400 m
    2. 200 m
    3. 3m
    4. 1000m
    • A
    • B
    • C
    • D
        • 3
        • 1
        • 4
        • 2
        • 4
        • 2
        • 3
        • 1
        • 3
        • 2
        • 4
        • 1
        • 4
        • 1
        • 3
        • 2
  10. The bread-eat (Triticum aestivum 2n = 42) varieties ar cytological
    1. Autopolyploid
    2. Complex poiyploids
    3. Segmental allopolyploids
    4. Octoploids
  11. Consider the following statements: PBW 343, a popular wheat variety of North-ster India belonging to Triticum aestivur has chromosome number 2n 42
    1. Has been derived from rye-eat crosses
    2. Is a hexaploid with genome formula AABBDD
    3. Has thicker and stouter stems, broader and thicker leaves with high yield potential
    4. Is grown as a composite variety
    • Which of the above statements are correct?
      1. 1,2 and 3
      2. 2 and 3
      3. 3 and 4
      4. 1 and 4
  12. Mixtur of isogenic lines in a selfpollinated crop is termed as
    1. Synthetic variety
    2. Multiline variety
    3. Com Positive variety
    4. Pur line variety
  13. TGMS and PGMS systems ar used for the production of
    1. Pur line varieties
    2. Composities
    3. Synthetics
    4. Hybrids
  14. Which one of the following terms correctly defines the phenomenon in which the crossing of two parental forms brings in an excessive, accidental, inadaptable and often unbalanced expression of an attribute?
    1. Phenorypic assortative mating
    2. Phenotypic disassortative mating
    3. random mating
    4. Luxuriance
  15. The sterility of interspecificāŸ‹integeneric crosses can be overcome to produce hybrids by using the biotechnological tool of
    1. Anther culture
    2. Embryo culture
    3. Explant culture
    4. Pollen culture
  16. Which one of the following expresses the decreased vigour in terms of growth, survival or fecundity that follows one or mor generations of inbreeding?
    1. Heterokaryon
    2. Hybrid vigour
    3. Inbreeding depression
    4. Heterozygosity
  17. . Brassica juncea has been evolved after hybridization between
    1. B nigr and B campestris
    2. B nigr and B oleracea
    3. B campestris and B oleracea
    4. B campestris and B carinata
  18. Match List I with List II and select the correct answer:
    Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 11 of 56)
    List-I (Fruit)List-II (Variety)
    1. Banana
    2. Sweet orange
    3. Pineapple
    4. Apple
    1. Pineapple
    2. Kew
    3. Winter banana
    4. Basrai
    • A
    • B
    • C
    • D
        • 4
        • 1
        • 3
        • 2
        • 4
        • 1
        • 2
        • 3
        • 1
        • 4
        • 2
        • 3
        • 1
        • 4
        • 3
        • 2
  19. In India, which of the following fruits has the highest production?
    1. Mango
    2. Citrus
    3. Banana
    4. Grapes
  20. Late cauliflower to absence of does not set seed in plains due
    1. Long day and high temperature
    2. Long day and low temperature
    3. Shor day and high temperature
    4. Shor clay and low temperature
  21. Match List I with List II and select the correct answer:
    Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 11 of 56)
    List-I (Disease)List-II (Crop)
    1. Late blight
    2. Canker
    3. Malformation
    4. Scab
    1. Apple
    2. Mango
    3. Potato
    4. Citrus
    • A
    • B
    • C
    • D
        • 3
        • 2
        • 4
        • 1
        • 1
        • 4
        • 2
        • 3
        • 3
        • 4
        • 2
        • 1
        • 1
        • 2
        • 4
        • 3
  22. Consider the following clonal rootstocks of apple:
    1. Mailing 9
    2. Mailing 4
    3. Mailing 16
    4. Mailing 27
    • The correct sequence of placing these rootstocks in descending order in terms of their vigour is:
      1. 2,1, 3,4
      2. 3,2, 1,4
      3. 3,4, 2,1
      4. 1,4, 2,3
  23. Whiptail disorder of cauliflower is caused by the deficiency of
    1. Copper
    2. Boron
    3. Molybdenum
    4. Zinc
  24. Pusa Mukta, an improved variety of cabbage is resistant to
    1. White rot
    2. Black rot
    3. Downy mildew
    4. Powder mildew
  25. Which one of the following is the most significant featur of Japanese style of gardening?
    1. Abundance of ornamental trees
    2. Presence of statues and lanterns
    3. rower beds of various designs
    4. Attractive arrangement of rocks and stones
  26. Which one of the following statesāŸ‹regions is famous for the cultivation of orchids?
    1. Himachal Pradesh
    2. Uttaranchal
    3. N. E. Region
    4. Kerala
  27. Which one of the following is the largest exporter of medicinal and aromatic plant products in the world?
    1. USA.
    2. Germany
    3. China
    4. India
  28. Which one of the following pair is not correctly matched?
      • Match Item 1: Sarpagandha
      • Match Item 2: Root
      • Match Item 1: Aswagandha
      • Match Item 2: Stem
      • Match Item 1: Cinchona
      • Match Item 2: Bark
      • Match Item 1: Mentha
      • Match Item 2: Leaf
  29. Budding is the most commonly done when ther is
    1. Good sap flow in the plants
    2. No sap flow in the plants
    3. Early initiation of growth in the plants
    4. Late initiation of growth in the plants
  30. Which one of the following pair is not correctly matched?
      • Match Item 1: Stone grafting
      • Match Item 2: Mango
      • Match Item 1: Cutting
      • Match Item 2: Strawberry
      • Match Item 1: Tongue grafting
      • Match Item 2: Apple
      • Match Item 1: Ring Budding
      • Match Item 2: Jujube