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12th Standard English Medium Biology (Botany) Subject Plant Breeding Creative 1 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. Which of the following scientist developed world's first cotton hybrid?

    (a)

    Dr. B.P. Pal

    (b)

    C.T. Patel

    (c)

    Dr. K. Ramiah

    (d)

    N.G.P. Rao

  2. Azolla is best suited biofertilizer for _________

    (a)

    Sugar cane cultivation

    (b)

    Paddy cultivation

    (c)

    Wheat cultivation

    (d)

    Cotton cultivation

  3. Identify the proper sequence of hybridisation technique

    (a)

    Emasculation ⟶ Selection ⟶ Bagging ⟶ Crossing ⟶ Harvesting

    (b)

    Harvesting ⟶ Selection ⟶ Crossing ⟶ Emasculation ⟶ Bagging

    (c)

    Selection ⟶ Harvesting ⟶ Crossing ⟶ Emasculation ⟶ Bagging

    (d)

    Selection ⟶ Emasculation ⟶ Bagging ⟶ Crossing ⟶ Harvesting

  4. Superiority of hybrids over parents only in vegetative growth not in yield. This phenomenon is termed as ________

    (a)

    Euheterosis

    (b)

    Balanced euheterosis

    (c)

    Luxuriance

    (d)

    Mutational heterosis

  5. Atomita 2 - rice is a product by _________

    (a)

    Polyploid breeding

    (b)

    Hybridization

    (c)

    Mutation breeding

    (d)

    Clonal selection

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