6. Which of the following metabolites are implicated in stress tolerance?
A. Proline
B. Betaines
C. Both (a) and (b)
D. Citrate
7. Which of the agricultural challenges below cannot be solved with transgenic techniques?
A. Crops are damaged by frost
B. Crops are killed by a virus
C. Public concern about the safety of synthetic pesticides
D. Public preference for organic vegetables
8. Which of the following statements is true regarding genomics?
A. Plant genomics lags behind similar efforts in animals and microorganisms
B. Researchers can make use of genomic information even if the entire genome of an organism is not known
C. Researchers are busy in trying to determine the genome of the potato plant
D. All of the above
9. Which of the following gene is responsible for resistance against chilling?
A. Glycerol 1 phosphate acyltransferase
B. Polygalactouranase
C. ACC deaminase
D. Sucrose phosphate synthase gene
10. Which of the following gene detoxifies herbicide phosphinothricin?
A. Nitrilase
B. Glutathione S-transferase (GST)
C. Phosphinothricin acetyltransferase
D. All of these
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