Special Proteins and Crop Improvement problems
- 1. Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
Options- A. Meloidogyne spp. nematodes
- B. L. peruviaanum
- C. both (a) and (b)
- D. Solarium melongena Discuss
Correct Answer: Meloidogyne spp. nematodes
- 2. Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be
Options- A. 3-deoxyanthocyanidin
- B. luteolinidin
- C. apigeninidin
- D. 5-0 apigeninidin Discuss
Correct Answer: 3-deoxyanthocyanidin
- 3. Wheat variety Rendezvous, with resistance to eye spot (Pseudo-cercosporella herpotrichoides) derived from Aegilops ventricosa, has a chloroplast genome derived from
Options- A. Aegilops
- B. Triticum
- C. Both (a) and (b)
- D. S alleles Discuss
Correct Answer: Aegilops
- 4. When the transposon jumps into an otherwise functional gene, it has the effect of
Options- A. blocking correct transcription
- B. initiating correct transcription
- C. propagating correct transcription
- D. initiating some genetic codes Discuss
Correct Answer: blocking correct transcription
- 5. Human serum albumin in case of transgenic plant is secreted in
Options- A. transgenic leaf tissues
- B. transgenic root tissues
- C. is not secreted out of plant
- D. transgenic stem tissues Discuss
Correct Answer: transgenic leaf tissues
- 6. Establishment of embryogenic cell suspensions with high regeneration potential is a pre-requisite for successful
Options- A. protoplast culture
- B. detection of nucleic acid sequence
- C. restriction of fragment length polymorphisms
- D. microinjection Discuss
Correct Answer: protoplast culture
- 7. Which of the following transfers a set of genes encoded in a region called T-DNA of the Ti-plasmid into cells at wound positions?
Options- A. A. tumefaciens
- B. L. peruvianum
- C. L. birsutum
- D. A. sterilis Discuss
Correct Answer: A. tumefaciens
- 8. ? and ? cyclo dextrins are produced by
Options- A. transgenic tomato
- B. transgenic maize
- C. transgenic potato
- D. transgenic wheat Discuss
Correct Answer: transgenic potato
- 9. For increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?
Options- A. Mannitol dehydrogenase
- B. Mannitol synthease
- C. Both (a) and (b)
- D. Mannitol pyrophosphorylase Discuss
Correct Answer: Mannitol dehydrogenase
- 10. Which of the following mutant/(s) has/have increased amount of lysine and/or methionine in corn seeds?
Options- A. Opaque-2
- B. Sugary-1
- C. Flory-2
- D. All of these Discuss
Correct Answer: All of these
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