Special Proteins and Crop Improvement – Section 1


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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

Correct Answer: A. resistant to the herbicide
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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

Correct Answer: D. All of these
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28. Which of the following is the class of hybridization?

A. Intervarietal
B. Interspecific
C. Intergeneric
D. all of these

Correct Answer: D. All of these
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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

Correct Answer: A. Meloidogyne spp. nematodes
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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

Correct Answer: C. Both (a) and (b)
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