Special Proteins and Crop Improvement – Section 1

31. Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards

A. Meloidogyne spp.nematodes
B. L. peruvianum
C. both (a) and (b)
D. Solarium melongena

Correct Answer: B. L. peruvianum

32. When the transposon jumps into an otherwise functional gene, it has the effect of

A. blocking correct transcription
B. initiating correct transcription
C. propagating correct transcription
D. initiating some genetic codes

Correct Answer: A. blocking correct transcription

33. Which of the following constituent/(s) is/are added to help in speedy generation of meristem culture in the case of Ipomoea batatas improvement?

A. Auxins
B. Cytokinins
C. Both (a) and (b)
D. Adenine

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

34. cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize

A. Aegilops
B. Triticum
C. Both (a) and (b)
D. S alleles

Correct Answer: D. S alleles

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