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MCQs

Total Questions : 107 | Page 1 of 11 pages
Question 1. The controversy regarding the use of Bt corn is that it
  1.    both (a) and (b)
  2.    can contaminate groundwater
  3.    is potentially harmful to monarch butterflies
  4.    is a potential allergen to humans
 Discuss Question
Answer: Option A. -> both (a) and (b)
Question 2. Which tropical fruit crop has been successfully engineered to be protected against a lethal virus?
  1.    Mango
  2.    Passion fruit
  3.    Papaya
  4.    Lychee
 Discuss Question
Answer: Option C. -> Papaya
Question 3. Starch content of potatoes can be increased by using a bacterial gene, known as
  1.    ADP glucose pyrophosphorylase gene
  2.    sucrose phosphate synthase gene
  3.    None of these
  4.    polygalactouranase gene
 Discuss Question
Answer: Option A. -> ADP glucose pyrophosphorylase gene
Question 4. Metabolic interference is a term used to describe a method to metabolize a compound and prevent the synthesis of something that is normally produced. What compound(s) have been targeted for metabolic interference in tomato?
  1.    SAM (S-adenosylmethionine)
  2.    ACC (1-aminocyclopropane-1-carboxylic acid)
  3.    AOA (aminooxyacetic acid)
  4.    Both (a) and (b)
 Discuss Question
Answer: Option D. -> Both (a) and (b)
Question 5. In a __________ protocol, bacteria with engineered abilities to detoxify pollutants are intentionally released in an area.
  1.    bioremediation
  2.    rhizosecretion
  3.    microcosm establishment
  4.    mibridization
 Discuss Question
Answer: Option A. -> bioremediation
Question 6. Which of the following metabolites are implicated in stress tolerance?
  1.    Both (a) and (b)
  2.    Citrate
  3.    Betaines
  4.    Proline
 Discuss Question
Answer: Option A. -> Both (a) and (b)
Question 7. Which of the following gene detoxifies herbicide phosphinothricin?
  1.    All of these
  2.    Glutathione S-transferase (GST)
  3.    Phosphinothricin acetyl transferase
  4.    Nitrilase
 Discuss Question
Answer: Option C. -> Phosphinothricin acetyl transferase
Question 8. Which of the following gene is responsible for resistance against chilling?
  1.    Glycerol 1 phosphate acyl transferase
  2.    Sucrose phosphate synthase gene
  3.    ACC deaminase
  4.    Polygalactouranase
 Discuss Question
Answer: Option A. -> Glycerol 1 phosphate acyl transferase
Question 9. Which of the agricultural challenges below cannot be solved with transgenic techniques?
  1.    Public preference for organic vegetables
  2.    Public concern about safety of synthetic pesticides
  3.    Crops are killed by a virus
  4.    Crops are damaged by frost
 Discuss Question
Answer: Option A. -> Public preference for organic vegetables
Question 10. Which of the following statements is true regarding genomics?
  1.    Researchers can make use of genomic information even if the entire genome of an organism is not known
  2.    All of these
  3.    Plant genomics lags behind similar efforts in animals and microorganisms
  4.    Researchers are busy in trying to determine the genome of the potato plant
 Discuss Question
Answer: Option B. -> All of these

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