Tag: commercial applications of biotechnology

Questions Related to commercial applications of biotechnology

The most modern technique of vaccine preparation is

  1. Extraction of antigens from pathogens

  2. Multiplication of antigens through DNA technique

  3. Weakening of pathogen through chemical treatment

  4. Attenuation of pathogen through heat


Correct Option: B

Hepatitis B vaccine is

  1. Combined vaccine

  2. Recombinant antigen vaccine

  3. Polysaccharide vaccine

  4. DNA vaccine


Correct Option: B
Explanation:
  • Hepatitis B vaccine is a vaccine that prevents hepatitis B.
  •  The first dose is recommended within 24 hours of birth with either two or three more doses given after that. 
  • The vaccine is given by injection into a muscle. Serious side effects of the hepatitis B vaccine are very uncommon. Pain may occur at the site of injection.
  •  The current vaccines are produced with recombinant DNA techniques.
  • Hence, the Hepatitis B vaccine is Recombinant antigen vaccine.
  •   So, the correct answer is 'Recombinant antigen vaccine'.

BCG vaccine is given to prevent

  1. Tuberculosis

  2. Leprosy

  3. Food poisoning

  4. None of the above


Correct Option: A
Explanation:

BCG stands for Bacillus Calmette Guerin, a vaccine given for protection against tuberculosis (T.B.) which is an airborne disease, caused by Mycobacterium tuberculosis.

So, the correct answer is option A.

Mark the correct options

  1. The varicella vaccine has resulted in a decrease in the number of cases and complication from the disease

  2. It protects about $70$ to $90$ percent of people from disease with a greater benefit for severe disease

  3. Routine immunization of children is recommended in many countries

  4. All of the above


Correct Option: D
Explanation:

The varicella vaccine has resulted in a decrease in the number of cases and complications from the disease. It protects about 70 to 90 percent of people from disease with a greater benefit for severe disease. Routine immunization of children is recommended in many countries. Immunization within three days of exposure may improve outcomes in children. Treatment of those infected may include calamine lotion to help with itching, keeping the fingernails short to decrease injury from scratching, and the use of paracetamol (acetaminophen) to help with fevers.

So, the correct answer is 'All of the above'

What is induced in (polio) vaccination?

  1. Antibodies

  2. Antigen

  3. Antibiotics

  4. None of the above


Correct Option: B
Explanation:

Polio vaccines are vaccines used to prevent poliomyelitis (polio). Two types are used - an inactivated poliovirus (antigen) given by injection and a weakened poliovirus (antigen) given by mouth. The inactivated polio vaccines are very safe. Mild redness or pain may occur at the site of injection. Oral polio vaccines cause vaccine-associated paralytic poliomyelitis.

So, the correct answer is 'Antigen'.

DPT vaccine acts against

  1. Diphtheria, Wooping cough, Tetanus

  2. Diarrhoea, Polio, Tetanus

  3. Diphtheria, Polio, Tetanus

  4. Diarrhoea, Whooping cough, Tetanus


Correct Option: A
Explanation:

DPT (also DTP and DTwP) is a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis (whooping cough), and tetanus. The vaccine components include diphtheria and tetanus toxoids and killed whole cells of the bacterium that causes pertussis (wP). So, the correct option is "A" (Diphtheria, Wooping cough, Tetanus).

First DPT does be given when the baby is?

  1. Six weeks old

  2. Fourteen weeks old

  3. Nine months old

  4. $2-5$ years old


Correct Option: A

The vaccine of Hepatitis-B is a

  1. First generation vaccine

  2. Interferon

  3. Second generation vaccine

  4. Third gereration vaccine


Correct Option: C
Explanation:

Second generation vaccines were developed to reduce the risks from live vaccines. These are subunit vaccines, consisting of defined protein antigen like tetanus or diphtheria toxoid or recombinant protein components like hepatitis B surface antigen.
Therefore, the correct answer is option C.

BCG Stand for

  1. Bacterial cell genome

  2. Bacillus Calmette Guerin

  3. Bacteria culture growth

  4. None of the above


Correct Option: B
Explanation:

BCG stands for Bacillus Calmette Guerin, a vaccine given for protection against tuberculosis which is an airborne disease, caused by Mycobacterium tuberculosis.  

Thus, the correct answer is option B. 

Oral vaccine is given for

  1. Polio

  2. Smallpox

  3. Diphtheria

  4. Tetanus


Correct Option: A
Explanation:

The oral polio vaccine (OPV) was developed in 1961 by Albert Sabin. OPV consists of a mixture of live, attenuated (weakened) polio virus strains of all three polio virus types. Rotavirus liquid vaccines are also given by mouth (orally) to infants.