26. Plant tissue culture technique is used to select somaclones that are
A. resistant to the herbicide
B. not resistant to the herbicide
C. resistant to insecticides
D. not resistant to insecticides
27. Which of the following mutant/(s) has/have an increased amount of lysine and/or methionine in corn seeds?
A. Opaque-2
B. Sugary-1
C. Flory-2
D. All of these
28. Which of the following is the class of hybridization?
A. Intervarietal
B. Interspecific
C. Intergeneric
D. all of these
29. Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
A. Meloidogyne spp. nematodes
B. L. peruviaanum
C. both (a) and (b)
D. Solarium melongena
30. In transgenic plants of Arabidopsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhydroxy butyrate)?
A. Acetyl Co-A reductase
B. Polyhydroxybutyrate synthesis
C. Both (a) and (b)
D. Pyrophosphorylase
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