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- Question
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
- Correct Answer
- 3-deoxyanthocyanidin
- 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
- 2. Somaclonal variation method refers to
Options- A. heritable changes
- B. genetic isolation
- C. small number of species having limited commercial potential
- D. large number of plant cells Discuss
- 3. Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of
Options- A. Streptomyces avermitilis
- B. B. thrunigiensis
- C. P. flourescens
- D. L. peruvianum Discuss
- 4. Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards
Options- A. Meloidogyne spp.nematodes
- B. L. peruviaanum
- C. both (a) and (b)
- D. Solarium melongena Discuss
- 5. Random amplified polymorphic DNA (RAPD) is a method that
Options- A. stimulate production of sense RNA to compensate
- B. activate the expression of all genes in a biochemical pathway
- C. eliminate the expression of all genes in a biochemical pathway
- D. reveals intra-specific variation and diversity between species Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Special Proteins and Crop Improvement problems
Search Results
Correct Answer: Meloidogyne spp. nematodes
Correct Answer: heritable changes
Correct Answer: Streptomyces avermitilis
Correct Answer: L. peruviaanum
Correct Answer: reveals intra-specific variation and diversity between species
Correct Answer: Aegilops
Correct Answer: blocking correct transcription
Correct Answer: transgenic leaf tissues
Correct Answer: protoplast culture
Correct Answer: A. tumefaciens
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