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Biotechnology and its Applications Test - 23

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Biotechnology and its Applications Test - 23
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  • Question 1
    1 / -0
    Gene therapy has been successful in curing genetic diseases in laboratory animals through
    Solution
    Gene therapy is a preliminary procedure to deliver the nucleic acid into a patient's cells as a drug to treat disease. In the future, this technique may help the doctors to treat and diagnose a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery. Researchers are testing several approaches to gene therapy, including: replacing a mutated gene that causes disease with a healthy copy of the gene, inactivating, or “knocking out,” a mutated gene that is functioning improperly and introducing a new gene into the body to help fight a disease.
    So, the correct answer is option B.
  • Question 2
    1 / -0
    Fearing that the child to be born may have a genetic disorder, a couple goes to a doctor. Which one of the following techniques is likely to be suggested by the doctor to cure the genetic disorder?
    Solution
    • Gene therapy is a method that uses genes to treat or prevent disease. This technique involves the introduction of normal genes into cells.
    • This helps in replacing the function of the missing or defective ones in order to correct genetic disorders.
    • Whenever the parents have a query that the child may suffer from any type of genetic disorder, the doctors conduct tests to identify the type of disorder.
    • The disorder can be treated using gene therapy.
    Thus, the correct answer is option B. 
  • Question 3
    1 / -0
    .......... was produced by the slaughtering of the pig but now it is stopped due to genetic engineering.
    Solution
    Animal insulin is derived from cows and pigs. Until the 1980s, animal insulin was the only treatment for insulin dependent diabetes. These days the use of animal insulin has largely been replaced by human insulin and human analogue insulin, however, animal insulin is still available on prescription.
    So, the correct answer is 'Insulin'
  • Question 4
    1 / -0
    The first clinical gene therapy was given for treating
    Solution
    Correct option: D
    Explanation:

    • Gene therapy is the process of the introduction of DNA into living human beings in order to treat disease.
    • It is used to replace a missing gene product or to correct mutant alleles.
    • The first human gene therapy trial was conducted at the National Institutes of Health in Bethesda, Maryland, in 1990 on a four-year-old girl suffering from ADA deficiency (Adenosine deaminase deficiency).
      A functional ADA gene was introduced 
    • A functional ADA gene was introduced ex vivo into the bone marrow cells of the child through an engineered retrovirus containing a functional ADA gene. The treated cells were reintroduced into the patient’s marrow.
  • Question 5
    1 / -0
    Which of the following organisms suffers to a large extent?
    Solution
    B. transgenic organism
    Solution : Transgenic organisms are the sufferer because though they come with several new advantages but they are generally immunocompromised than the original animals .
    So the correct answer is " transgenic organism"
  • Question 6
    1 / -0
    Before animal testing _________should be given to the animals.
    Solution
    Before animal testing anesthesia should be given to the animals because they are living they can feel pain and also its an ethical issue.
  • Question 7
    1 / -0
    Genetic engineering helps to degrade .......... in the food.
    Solution
    Genetic engineering has great potential for improving the safety of plant-based foods by eliminating allergenic components. 
    So, the correct answer is 'Allergens'
  • Question 8
    1 / -0
    Which of the following ethic should be employed when conducting genetic engineering?
    Solution
    Ethics means a branch of philosophy that deals with human conduct and how right or wrong an action or the motives behind an action may be. 
    Environmental ethics and animal ethics should be strictly followed before when genetic engineering is been conducted as any technology should not harm the environment as well as animal life.
  • Question 9
    1 / -0
    Which of the following describes the relation between genetic engineering and the health of environment
    Solution
    Bioremediation is the use of living micro organisms to degrade the environmental contaminants into less toxic forms. It uses naturally occurring bacteria and fungi or plants to degrade or detoxify substances hazardous to human health and the environment.
  • Question 10
    1 / -0
    All of the followings are the ethical issues with the animal testing except
    Solution
    Pain and disease are major ethical issues. Infertility is not one of them.
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