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Home⇒ Medical Science⇒ Biotechnology⇒ Transgenic plant
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ Antisense technology selectively blocks expression of a gene [other wrong options] [Discuss in forum] combines genetic material from different species combines organelles and cells alters or transfers cells |
Q22 ⇒ Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit? Mannitol [other wrong options] [Discuss in forum] Sucrose Nicotine Octopine |
Q23 ⇒ Resistance to sulphonyl urea compounds in transgenic tobacco plant has been developed by the transfer of gene for ALS (acetolactate synthase) [other wrong options] [Discuss in forum] gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase) gene for GS (glutamine synthase) any of the above |
Q24 ⇒ Starch content of potatoes can be increased by using a bacterial gene, known as ADP glucose pyrophosphorylase gene [other wrong options] [Discuss in forum] sucrose phosphate synthase gene polygalactouranase gene none of the above |
Q25 ⇒ Transplastomics targets genes in the chloroplast [other wrong options] [Discuss in forum] provides exceptionally low yields of protein products produces genes that are released in pollen offers little opportunity for practical use |
Q26 ⇒ Which of the following self-pollinating plant/(s) tend to be homozygous? All of these [other wrong options] [Discuss in forum] Peas Tomato Peach |
Q27 ⇒ The first field tests were conducted with which of the following genetically altered organism? Strawberry seedlings sprayed with ice-minus bacteria [other wrong options] [Discuss in forum] bt Corn Vaccinia virus containing a gene from the rabies virus The flavrsavr tomato |
Q28 ⇒ Two genes from a bacterium (Alcaligenes eutrophus) and a cotton gene produce a plastic [other wrong options] [Discuss in forum] a vaccine against the bacterium a pharmaceutical product herbicide resistance |
Q29 ⇒ Phosphinothricin acetyl transferase is encoded by bar gene in Streptomyces spp [other wrong options] [Discuss in forum] gene bxn in Klebsiella pneumoniae both (a) and (b) none of these |
Q30 ⇒ In a __________ protocol, bacteria with engineered abilities to detoxify pollutants are intentionally released in an area. bioremediation [other wrong options] [Discuss in forum] microcosm establishment mibridization rhizosecretion |
Q31 ⇒ Which of the following gene detoxifies herbicide phosphinothricin? Phosphinothricin acetyl transferase [other wrong options] [Discuss in forum] Nitrilase Glutathione S-transferase (GST) All of these |
Q32 ⇒ If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective? Mutant selection [other wrong options] [Discuss in forum] Clonal propagation Cybridization Protoplast fusion |
Q33 ⇒ Cross protection against viruses in transgenic plants can be obtained by inoculating the susceptible strain of a crop with a mild strain of a virus that helps in developing resistance against more virulent strain [other wrong options] [Discuss in forum] inoculating the susceptible strain with the coat proteins of virulent strain inoculating the susceptible strain with genes of nucleocapsid any of the above |
Q34 ⇒ A __________ is a small laboratory set up to simulate conditions of a particular environment. microcosm [other wrong options] [Discuss in forum] mibridization bioremediation rhizosecretion |
Q35 ⇒ Which of the following gene detoxify herbicide bronoxynil? Nitrilase [other wrong options] [Discuss in forum] Glutathione S-transferase (GST) Phosphinothricin acetyl transferase All of these |
Q36 ⇒ Which of the following statements is true regarding genomics? All of the above [other wrong options] [Discuss in forum] Plant genomics lags behind similar efforts in animals and microorganisms Researchers can make use of genomic information even if the entire genome of an organism is not known Researchers are busy in trying to determine the genome of the potato plant |
Q37 ⇒ Low temperatures induce the expression of many cold-induced genes. Transgenic plants with improved cold tolerance have been produced by expressing the protein that activates expression of these genes all the time in plants [other wrong options] [Discuss in forum] cooling plants using the Peltier effect expressing a gene for production of antifreeze (ethylene glycol) in plants increasing evaporative cooling from leaf surfaces |
Q38 ⇒ Which of the following genes can be used for making resistances against viral infection? All of these [other wrong options] [Discuss in forum] Genes for capsid protein Gene for nucleocapsid protein Satellite RNA |
Q39 ⇒ Insect resistance in the transgenic plant has been achieved by all of the above [other wrong options] [Discuss in forum] transferring genes for Bt toxins transferring genes for protease inhibitors transferring genes for other insecticidal secondary metabolities |
Q40 ⇒ Tomatoes exhibiting delayed ripening express antisense RNA against ACC deaminase [other wrong options] [Discuss in forum] glycerol 1 phosphate acyl transferase polygalactouranase sucrose phosphate synthase gene |
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