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Most Reapted Agriculture Questions and Answers

  1. Which of the following crops show a very high degree of inbreeding depression?
    (a) Sorghum
    (b) Alfa-alfa
    (c) Pearl millet
    (d) Sunflower
    Answer
    Alfa-alfa
  2. Which of the following chemical is used for testing seed viability?
    (a) Tetrazolium chloride
    (b) Ether
    (c) Thiourea
    (d) Benzene
    Answer
    Tetrazolium chloride
  3. The color of the tag used to label the foundation seed bag is?
    (a) White
    (b) Green
    (c) Blue
    (d) Golden yellow
    Answer
    White
  4. Maximum heterosis is manifested by?
    (a) Single cross
    (b) Double cross
    (c) Three-way cross
    (d) Top cross
    Answer
    Single cross
  5. Hybrid varieties were first developed in the following crop :
    (a) Sorghum
    (b) Maize
    (c) Onion
    (d) Castor
    Answer
    Onion
  6. The amphidiploid Brassica Juncea has been evolved through hybridization between?
    (a) Brassica campestris x Brassica napus
    (b) Brassica campestris x Brassica nigra
    (c) Brassica carinata x Brassica nigra
    (d) Brassica nigra x Brassica olerace
    Answer
    Brassica campestris x Brassica nigra
  7. The pure-line theory was proposed by-
    (a) John
    (b) Mendel
    (c) Johannsen
    (d) Swaminathan
    Answer
    Mendel
  8. MPMH17, RHB223, MPMH21, and RHB224 are the recommended hybrids of?
    (a) Maize
    (b) Sorghum
    (c) Cotton
    (d) Bajra
    Answer
    Bajra
  9. A tall plant is crossed with a dwarf plant. In the progeny, about one-half of the plants are tall and the remaining one half are dwarf. Determine the genotypes of the tall and dwarf plants.
    (a) TT x tt
    (b) Tt x Tt
    (c) Tt x tt
    (d) tt x tt
    Answer
    Tt x Tt
  10. Which one great soil group of the following belongs to order zonal soils?
    (a) Laterite soils
    (b) Alluvial soils
    (c) Saline soils.
    (d) Regosols
    Answer
    Laterite soils 

 

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