A lot of attention has been paid to the cultivation of Bt cotton. What does “Bt” mean?
1. Barium treated cotton seeds
2.Carrying an endotoxin gene from Bacillus thuringiensis
3.Produced by biotechnology method
4.Bigger thread variety of cotton with tensile strength
A product and the microorganism responsible for it are properly matched by which of the following?
1.Ethyl alcohol- Yeast
2.Acetic acid- Lactobacillus
3.Cheese – Nitrobacter
4. Curd – Azotobacter
Choose the correct statement(s) (1) IARI has released a mustard variety rich in vitamin C. (2) Pusa Sawani variety of Okra is resistant to aphids. (3) Hairiness of leaves provides resistance to insect pests. (4) Agriculture accounts for approximately 33% of India’s GDP and employs nearly 62% of the population.
1.(1) and (2)
2. (2) and (3)
3. (1), (3) and (4)
4. None of these
Even though the majority of varieties of this rice are found in India, which variety of rice was patented by a U.S. company?
1.Sharbati Sonara
2.Co-667
3.Basmati
4. Lerma Roja
Flavr Savr is a transgenic variety of?
1.cotton
2.rice
3.tomato
4.potato
Genetically engineered microbes used in oil spill bioremediation are a species of?
1.Pseudomonas
2.Trichoderma
3.Xanthomonas
4.Bacillus
Genetically modified foods are associated with which of the following risk combinations? I. Toxicity II. Allergic reaction III. Antibiotic resistance in micro-organisms present in the alimentary canal
1. I and II
2. I, II and III
3.I and III
4. II and III
In 1990, the first clinical gene therapy was administered to a 4 years old girl with enzyme deficiency of?
1.Adenosine deaminase (ADA)
2.Tyrosine oxidase
3.Monoamine oxidase
4.Glutamate dehydrogenase
In E.coli, recombinant DNA technology can be used to produce the biologically active form of which of the following?
1. Luteinizing hormone
2.Ecdysone
3.Rifamycin
4.Interferon
Once released for cultivation, golden rice is a promising transgenic crop that helps in?
1. producing petrol like fuel from rice
2. alleviation of vitamin A
3.pest resistance
4.herbicide tolerance
Read the following four statements (1-4). 1. The first transgenic buffalo, Rosie produced milk that was human alphalactal albumin enriched. 2. Restriction enzymes are used in the isolation of DNA from other macro-molecules. 3. Downstream processing is one of the steps of R-DNA technology. 4. Disarmed pathogen vectors are also used in the transfer of R-DNA into the host. Two statements have mistakes. Which are they?
1. Statement 2 and 3
2.Statement 3 and 4
3. Statement 1 and 3
4. Statement 1 and 2
Select the correct option for Retrovirus.
1.A RNA virus that can synthesise DNA during infection
2. A DNA virus that can synthesise RNA during infection
3.A ssDNA virus
4.A dsRNA virus
Sometimes, genetic engineering of mammalian cells is necessary to produce proteins because they
1.can produce larger quantities of protein than bacteria
2.can read eukaryotic genes and bacteria cannot
3.can add sugars to make glycoproteins and bacteria cannot
4.are easier to grow than bacteria
The broad-spectrum antibiotics chloramphenicol and erythromycin are produced by?
1.Streptomyces
2.Nitrobacter
3.Rhizobium
4.Penicillium
The techniques of biotechnology have been utilised to the maximum extent in what field?
1.Agriculture
2.Medicines
3.Industries
4.Biogas production
The transgenic plants are those that have?
1.no gene
2.genes in transposition
3. genes with no function to perform
4. genes of another organism
Transgenic animals are those that have?
1.foreign DNA in some cells
2.foreign DNA in all of their cells
3.foreign RNA in all of their cells
4. Both (a) and (c)
What does GEAC stand for?
1.Genome Engineering Action Committee
2.Ground Environment Action Committee
3.Genetic Engineering Approval Committee
4.Genetic and Environment Approval committee
What has been designed with Bacillus thuringiensis strains (Bt)?
1.biofertilizers
2.bio-metallurgical technique
3.biominerallurgical process
4. bioinsecticidal plants
What is a transgenic food crop that may solve the problem of night blindness in developing countries?
1.golden rice
2.Bt soyabean
3.flavr – savr tomato
4.starlink maize
What is a–1 Antitrypsin?
1.an antacid
2.an enzyme
3.used to treat arthritis
4. Used to treat emphysema
What is biopiracy related to?
1.Traditional knowledge
2.Biomolecules and regarding bioresources genes isolated from bioresources
3.Bioresources
4.All of the above
What is Bt cotton?
1.a GM plant
2.an insect-resistant
3.a bacterial gene expressing system
4.resistant to all pesticides
What is Humulin?
1.A form of chitin
2.A powerful antibiotic
3.A new digestive enzyme
4. Human insulin
What is the main objective of producing herbicide-resistant GM crops?
1.to encourage eco-friendly herbicides
2.reduce herbicide accumulation in food articles for health safety
3.eliminate weeds from fields without the use of manual labour
4.eliminate weeds from the fields without the use of herbicides
What is the main technique involved in agricultural biotechnology?
1.Tissue culture
2.Transformation
3.Plant breeding
4.DNA replication
What is the maximum number of existing transgenic animals of?
1.fish
2.mice
3.cow
4.pig
What is the source of cheese and yoghurt?
1.distillation
2.pasteurization
3.fermentation
4.dehydration
Which bacteria is generally used in genetic engineering?
1.Agrobacterium
2.Bacillus
3.Pseudomonas
4.Clostridium
Which commercial products have been successfully produced using genetically engineered bacteria?
1. human insulin
2.testosterone
3.thyroxine
4.melatonin
Which of the following is produced commercially using genetically engineered bacteria?
1.thyroxine
2.human insulin
3.testosterone
4.penicillin
Which one of the following vaccines is related to tissue culture?
1.Chicken pox
2.Hepatitis -B
3.Anti rabies
4.Measles