1. In nuts and oil seeds, the limiting amino acid is 
    1.  Threonine 
    2.  Tryptophan
    3. Lysine
    4.  Methionine

  2. Under drought conditions, plants show increase in
    1. Abscisic acid 
    2. Ethylene
    3. Praline
    4. All the above

  3. Which of the following water sources is utilized to the maximum for crop production in India?
    1. Ganga
    2. Chinav 
    3. Godaveri
    4. Chambal 

  4. In 1866, Mendel postulated laws of inheritance based on his work with
    1. Drosophila
    2. Field beans
    3.  Pigeon pea
    4. Garden pea

  5. Minor millets are rich source of 
    1.  Proteins and vitamins
    2. Lysine and Tryptophan
    3.  Vitamins and Tryptophan
    4. Proteins and Lysine

  6. The science which is used for genetic improvement of crop plants is referred to as
    1.  Plant breeding
    2. All are correct 
    3. Crop improvement technology
    4. Science of crop improvement

  7. Cross of F1 with either of its parents is
    1. Test cross 
    2. Direct cross
    3. Back cross 
    4. Polyhybrid cross

  8. In plant breed.mg, homozygous individuals are represented as
    1. FF or ff 
    2. HH or hh
    3. HP or hp
    4. RR or rr 

  9. Consider the statements : (1)  Colchicine is most widely used for chromosome doubling / (2)  It is a poisonous chemical isolated from seeds and bulbs of crocus / (3)  Pure colchicine is C22 H25 O6N / (4)  It blocks spindle formation Of these 
    1. Four alone is correct 
    2. Two alone is correct 
    3. All are correct 
    4. One and three are correct 

  10. Breeding methods for self-pollinated crops are : (i)  Mass selection, (ii)  Pure line selection, (iii)  Pedigree methods, (iv)  Back cross methods
    1. (i), (ii) and (iii)
    2. (i), (ii) and (iv) 
    3. (i), (iii) and (iv) 
    4. (i), (ii), (iii) and (iv)