June 16, 2024
Genetically Modified foods are derived from plants whose genes are artificially modified, usually by inserting genetic material from another organism, in order to give it a new property, such as
1. Improve its nutritional value
2. Tolerance to herbicide
3. Resistance to disease or drought
4. Increased yield
Select the correct answer code:
  • (A) 1, 2, 3
  • (B) 1, 3, 4
  • (C) 2, 3, 4
  • (D) 1, 2, 3, 4
Why are Bacteriophages seen as a possible therapy against multi-drug-resistant strains of many bacteria?
1. These are ubiquitous viruses found wherever bacteria exist and can kill bacteria.
2. They do not contain any RNA or DNA and thus cannot be infected by bacteria.
Select the correct answer code:
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
DNA Profiling is used in which of the following areas?
1. Genealogical research
2. Parentage testing
3. Criminal investigations
4. Study of animal and plant populations
Select the correct answer code:
  • (A) 1, 2, 3
  • (B) 1, 3, 4
  • (C) 2, 3, 4
  • (D) 1, 2, 3, 4
Consider the following statements regarding Antimicrobial Resistance.
1 Antimicrobial Resistance is the ability of a microbe to resist the effects of medication.
2. They can spread between people and animals, including from food of animal origin, and from person to person.
3. Antimicrobial resistant-microbes does not occur naturally.
Which of the above statements is/are correct?
  • (A) 1, 3
  • (B) 1, 2
  • (C) 1 only
  • (D) 2, 3
Consider the following statements about Bioremediation Technology.
1 Bioremediation is the use of living microorganisms to degrade the environmental contaminants into less toxic forms.
2. Genetic engineering can be used to create microorganisms specifically designed for Bioremediation.
3. One of the advantages of Bioremediation is that it is effective in all environmental conditions.
Which of the above statements is/are correct?
  • (A) 2, 3
  • (B) 2 only
  • (C) 1, 2
  • (D) 1, 3
Dolly was made using
  • (A) Somatic cell nuclear transfer technique
  • (B) Liposome mediated technique
  • (C) Microinjection technique
  • (D) Electric shock treatment
Which of these is used as vector in gene therapy for SCID?
  • (A) Arbovirus
  • (B) Rotavirus
  • (C) Enterovirus
  • (D) Retrovirus
Which of the following statements is/are always true about the process of cloning?
A. It is possible only in animals.
B. It results in the exact replication of a cell, a living part, or an organism.
C. It results in a large number of off-springs.
  • (A) A & B
  • (B) Only B
  • (C) B & C
  • (D) Only A
Which of the following is not a product of Recombinant DNA Technology?
  • (A) GloFish
  • (B) Bt-cotton
  • (C) Flavr savr
  • (D) Dolly
Which one of the following statements is not correct with regard to genetically modified organisms?
  • (A) In this technique, a gene from one organism is isolated and transferred to the cell of another organism.
  • (B) This technique has applications only in plants.
  • (C) . Genes for insect resistance may spread from crop plants to wild plants.
  • (D) To produce a transgenic animal the novel genes are inserted at a very early stage of development.
Genetically engineered human insulin is manufactured by the use of
  • (A) E. coli
  • (B) Rhizopus
  • (C) Pseudomonas
  • (D) Ashbya gossypii
What is true about Bt (Bacillus thuringiensis) strain ?
  • (A) The concerned Bacillus has antitoxins.
  • (B) The Bt-strains have been used for designing novel Bioinsecticidal plants.
  • (C) Bt-toxins exists as active toxins in the Bacillus.
  • (D) The activated toxins enters the ovaries of the pest to sterilize it and thus prevent its multiplication.
With regard to insulin choose the correct options.
(a) C-peptide is not present in mature insulin.
(b) The insulin produced by rDNA technology has C-peptide.
(c) The pro-insulin has C-peptide
(d) A-peptide and B-peptide of insulin are interconnected by disulfide bridges.
Choose the correct answer from the options given below
  • (A) (a) and (d) only
  • (B) (b) and (d) only
  • (C) (b) and (c) only
  • (D) (a), (c) and (d) only
Genetically engineered golden rice is rich in which of the following?
  • (A) Vitamin A and nicotinic acid
  • (B) B-Carotene, vitamin A and folic acid
  • (C) B- carotene and iron
  • (D) Vitamin A and niacin
What is the application of somatic cell Nuclear Transfer Technology?
  • (A) Production of bio – larvicides
  • (B) Reproductive cloning of animal
  • (C) Manufacture of biodegradable plastics
  • (D) Production of organisms free of diseases

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