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Question : The broad-spectrum antibiotics chloramphenicol and erythromycin are produced by?
A. Streptomyces
B. Nitrobacter
C. Rhizobium
D. Penicillium
Question : Genetically engineered microbes used in oil spill bioremediation are a species of?
A. Pseudomonas
B. Trichoderma
C. Xanthomonas
D. Bacillus
Question : What does RNA interference involve?
A. Synthesis of mRNA from DNA
B. Synthesis of cDNA from RNA using reverse transcriptase
C. Silencing of specific mRNA due to complementary RNA
D. Interference of RNA in the synthesis of DNA
Question : What purpose has genetically modified (GM) brinjal been developed for in India?
A. insect-resistance
B. enhancing shelf life
C. enhancing mineral content
D. drought-resistance
Question : Where is the site of ADA production in the body?
A. Bone marrow
B. lymphocytes
C. blood plasma
D. Monocytes
Question : A gene can be silenced by using?
A. short interfering RNA (RNAi)
B. antisense RNA
C. by Both
D. None of the above
Question : Silencing of mRNA has been used to produce transgenic plants that are resistant to?
A. bollworms
B. nematodes
C. white rusts
D. bacterial blights
Question : In order to create an organism that could break down a variety of toxic wastes, scientists combined the genes of several bacteria to create one super bacterium. In order to create the super bacterium, they probably did not need which of the following?
A. Nucleic acid probes
B. F factors
C. Plasmids
D. Restriction enzymes
Question : Why are Pollen tablets available in the market?
A. In vitro fertilization
B. Breeding programmes
C. Supplementing food
D. Ex-situ conservation
Question : A transgenic crop of the future, golden rice has which of the following improved traits
A. High lysine (essential amino acid) content
B. Insect resistance
C. High protein content
D. High vitamin-A content
Question : Despite its effectiveness for improving overall growth and milk production in cattle, genetically engineered bovine growth hormone (BGH) is still a hotly debated topic because?
A. BGH is clearly hazardous to human health
B. BGH is an environmental hazard
C. BGH could drive traditional family farmers out of business
D. scientists remain unconvinced that BGH really works
Question : How is genetically engineered human insulin prepared?
A. E. coli
B. Rhizopus
C. Pseudomonas
D. Yeast
Question : Which of these is not a DNA fingerprinting application?
A. Solving immigration cases
B. Solving paternity cases
C. Therapy for curing SCID
D. Identifying gene mutation
Question : What is a transgenic food crop that may solve the problem of night blindness in developing countries?
A. golden rice
B. Bt soyabean
C. flavr – savr tomato
D. starlink maize
Question : What is golden rice?
A. a variety of rice grown along the yellow river in China
B. long-stored rice having yellow colour tint
C. transgenic rice having the gene for b-carotene
D. a wild variety of rice with yellow coloured grains