Q1. What is the role of cryIAb gene in genetically modified crops?A. Resistance to nematodesB. Resistance to corn borerC. Increased vitamin A productionD. Drought resistance
Q2. Which type of RNA is involved in the RNA interference mechanism for gene silencing?A. mRNAB. tRNAC. rRNAD. dsRNA
Q3. What is the function of GEAC in India?A. Approving GM crop exportsB. Regulating research and release of GMOsC. Providing agricultural subsidiesD. Issuing patents for GMOs
Q4. Which method is used to produce virus-free plants?A. MicropropagationB. GraftingC. Genetic engineeringD. Tissue culture of meristem
Q5. Which of the following is incorrect about Bt cotton?A. Bt cotton is genetically modified to produce Cry proteins.B. Bt cotton is resistant to insect pests like bollworms.C. Bt cotton improves soil fertility naturally.D. Bt cotton reduces the need for chemical pesticides.
Q6. Which plant was used to demonstrate RNA interference for nematode resistance?A. PotatoB. TomatoC. TobaccoD. Maize
Q7. Which of the following is incorrect regarding RNA interference (RNAi)?A. RNA interference involves double-stranded RNA.B. RNAi silences specific gene expression.C. RNAi is used to enhance protein synthesis in cells.D. RNAi is employed to develop pest-resistant crops.
Q8. Which vector is commonly used in gene therapy for transferring therapeutic genes?A. PlasmidB. RetrovirusC. CosmidD. Phagemid
Q9. Which crop is genetically modified with cryIIAb gene for resistance to pests?A. TomatoB. CottonC. RiceD. Potato
Q10. Which of the following statements about vectors in genetic engineering is correct?A. Vectors are RNA molecules that carry genes for replication.B. Vectors are DNA molecules used to transfer foreign genes into host cells.C. Vectors are enzymes used to cut DNA.D. Vectors are lipids used in cell membrane synthesis.