InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Pseudomonas putida carries plasmids for hydrolyzingA. hydrocarbonsB. petroleum productsC. crude oilD. All of these |
| Answer» Correct Answer - D | |
| 2. |
Vitamin `B_(2)` (riboflavin) is obtained fromA. Aspergillus nigerB. Penicillium notatumC. Acetobacter lactiD. Ashbua gossypii |
| Answer» Correct Answer - D | |
| 3. |
Human insulin has 51 amino acids in two chains. Mark the correct statement.A. A chain with 21 and B chain with 30 amino acids.B. A chain with 20 and B chain with 31 amino acids.C. A chain has 31 and B chain has 20 amino acids.D. A chain has 30 and B chain has 21 amino acids. |
| Answer» Correct Answer - A | |
| 4. |
Which vitamin was first to be produced by using biotechnology?A. Vitamin AB. Vitamin `B_(1)`C. Vitamin `B_(2)`D. Vitamin C |
| Answer» Correct Answer - D | |
| 5. |
Genetic engineering is possible becauseA. phenomenon of transduction in bacteria is well understoodB. we can see DNA by electron microscopeC. we can cut DNA at specific sites by endonucleases like DNAase.D. restriction endonucleases purified from bacteria can be used in vitro. |
| Answer» Correct Answer - D | |
| 6. |
An important objective of biotechnology in agriculture section is toA. increase plant weightB. produce pest resistant varieties of plantC. decrease seed numberD. increase nitrogen content |
| Answer» Correct Answer - B | |
| 7. |
The two polypeptides of human insulin are linked together byA. Phosphodiester bondB. Covalent bondC. Disulphide bridgesD. Hydrogen bonds |
| Answer» Correct Answer - C | |
| 8. |
Genetically engineered human insulin is synthesized with the help ofA. RhizopusB. Rabbit/Guinea pigC. E. coliD. Pseudomonas |
| Answer» Correct Answer - C | |
| 9. |
The slow ripening transgenic tomato was developed in USA by usingA. antisense RNA technologyB. ribozyme technologyC. casuppression silencing approachD. transgene silencing approach |
| Answer» Correct Answer - A | |
| 10. |
Reverse transcriptase is also calledA. RNA-dependent DNA polymeraseB. DNA-dependent RNA polymeraseC. DNA-dependent DNA polymeraseD. RNA-dependent RNA polymerase |
| Answer» Correct Answer - A | |
| 11. |
It is beneficial to have insulin by biotechnology, becauseA. it is less expensiveB. it is non-allergicC. it can be produced in massD. all of the above. |
| Answer» Correct Answer - D | |
| 12. |
Escherichia coli is used in biological researches becauseA. it is easily availableB. it can be easily culturedC. it is easy to handleD. it can easily multiply in the host. |
| Answer» Correct Answer - B | |
| 13. |
Transgenic crops developed to tolerate herbicides areA. tomato and riceB. rice and wheatC. maize and sugarcaneD. tomato and tobacco |
| Answer» Correct Answer - D | |
| 14. |
In plant tissue culture, the callus tissues can be regenerated into complete plantlets primarily by altering the concentration ofA. sugarsB. vitaminsC. amino acidsD. hormones |
| Answer» Correct Answer - D | |
| 15. |
The first clinical gene therapy was given for treating :A. diabetes mellitusB. chicken poxC. rheumatoid arthritisD. adenosine deaminase deficiency |
| Answer» Correct Answer - D | |
| 16. |
Study the following columns and choose the correct option `{:(Column I,Column II),(A."Synthetic seeds",1."Anther culture"),(B."Gene cloning",2."Interspecific hybridization"),(C."Haploid plants",3."Polymerase chain reaction"),(D."Trasgenic plants",4."Recombinant DNA technology"),(,5."Somatic embryogenesis"):}`A. `{:(A,B,C,D),(5,3,1,4):}`B. `{:(A,B,C,D),(1,2,5,3):}`C. `{:(A,B,C,D),(4,1,3,2):}`D. `{:(A,B,C,D),(2,5,4,1):}` |
| Answer» Correct Answer - A | |
| 17. |
Which of the following is/are true? I. Biowar is the use of biological weapons against humans and/or their crops and animals II. Bioethics is the unauthorised use of bioresources and traditional knowledge related to bioresources for commercial benefits III. Biopatent is exploitation of bioresources of other nations without proper athorisationA. II onlyB. I onlyC. I and IID. I and III |
| Answer» Correct Answer - B | |
| 18. |
Bacillus thuringiensis (Bt) is a bacterium ofA. small intestineB. dirty waterC. skin of dogD. soil |
| Answer» Correct Answer - D | |
| 19. |
The restriction enzyme Hind II was isolated from bacteriumA. E. coliB. Haemophilus indicaC. Haemophilus influenzaeD. Hibiscus indicus. |
| Answer» Correct Answer - C | |
| 20. |
Golden rice is a transgenic crop of the future with which of the following improved trait?A. High lysine (essential amino acid) contentB. Insect resistanceC. High protein contentD. High vitamin-A content |
| Answer» Correct Answer - A | |
| 21. |
An improved variety of transgenic basmati riceA. does not require chemical fertilizers and growth hormonesB. gives high yield and is rich is vitamin AC. is completely resistant to all insect pests and diseases of paddyD. gives high yield but has no characteristic aroma |
| Answer» Correct Answer - B | |
| 22. |
Enzyme polygalacturonase is responsible forA. vegetable softeningB. fruit softeningC. sugar caneD. both (1) & (2) |
| Answer» Correct Answer - B | |
| 23. |
The first transgenic commercial crop, an instect cotton variety (Bt cotton), in India was grown inA. 1990B. 2004C. 2001D. 2002 |
| Answer» Correct Answer - D | |
| 24. |
Which is not transgenic plant?A. SoyabeanB. MaizeC. Golden riceD. Cucumber |
| Answer» Correct Answer - D | |
| 25. |
Which of the following is a transgenic plant?A. HirudinB. Flavr savrC. TriticaleD. All of these |
| Answer» Correct Answer - B | |
| 26. |
First transgenic plant released for commercial use wasA. Bt-cottonB. Golden riceC. TobaccoD. Solan gola |
| Answer» Correct Answer - C | |
| 27. |
Maximum number of existing transgenic animals is ofA. fishB. miceC. cowD. pig |
| Answer» Correct Answer - B | |
| 28. |
A transgenic mice that carries a desired gene replaced by other gene is calledA. knock out miceB. cloneC. chimeraD. surrogate |
| Answer» Correct Answer - A | |
| 29. |
Which one is a neem product used as insect replellent?A. RotenoneB. AzadirachtinC. ParathionD. Endrin |
| Answer» Correct Answer - B | |
| 30. |
What is true about Bt toxin?A. The inactive protoxin gets converted into active form in the insect gutB. Bt protein exists as active toxin in the BacillusC. The activated toxin enters the ovaries of the pest to sterilise it and thus, prevent its multiplication.D. The concerned Bacillus has antitoxins |
| Answer» Correct Answer - A | |
| 31. |
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due toA. Acidic pH of the insect gutB. Action of gut micro-organismsC. Presence of conversion factors in insect gutD. Alkaline pH of the insect gut |
| Answer» Correct Answer - D | |
| 32. |
Blood stains ar found at the site of a murder. If DNA profiling technique is to be used for identifying the criminal. Which of the following is ideal for useA. SerumB. ErythrocytesC. LeucocytesD. Platelets |
| Answer» Correct Answer - C | |
| 33. |
Some of the characteristics of Bt cotton areA. long fibre and resistance to aphidsB. medium yield, long fibre and resistance to beetle pestsC. high yield and production of toxic protein crystals which kill dipteran pestsD. high yield and resistance to bollworms |
| Answer» Correct Answer - D | |
| 34. |
AFLP stands forA. arbitrary file length polymorphismB. amplified factor late productC. amplified fragment length polymorphismD. amplified fragment length polyp |
| Answer» Correct Answer - C | |
| 35. |
Who are the first two scientists to fuse cells of mouse and man?A. Beadle and TatumB. Borlaugh and CalvinC. Steward and BensonD. Harris and Watkins |
| Answer» Correct Answer - D | |
| 36. |
The transgenic food may causeA. benign tumourB. syphilisC. allergiesD. none of these |
| Answer» Correct Answer - C | |
| 37. |
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells):A. both sense and anti-sense RNAB. a particular hormoneC. an antifeedantD. a toxic protein |
| Answer» Correct Answer - A | |
| 38. |
Genetically modified plants can pose……….and risk.A. chemicalB. biologicalC. ecologicalD. both (2) and (3) |
| Answer» Correct Answer - D | |
| 39. |
Vaccines produced through recombinant DNA technology areA. vaccines for hepatitisB. vaccines for polioC. vaccines for food and mouth diseaseD. all of the above. |
| Answer» Correct Answer - D | |
| 40. |
Which institute established the Recombinant Advisory Committee (RAC)?A. National Institute of Nutrition (NIN)B. Central Institute of Medicinal and Aromatic Plants (CIMAP)C. Central Research Institute (CRI)D. National Institute of Health (NIH) |
| Answer» Correct Answer - D | |
| 41. |
The construction of the first recombinant DNA was done by using the native plasmid ofA. E.coliB. Salmonella typhimuriumC. Bacillus thuringiensisD. Yeast |
| Answer» Correct Answer - A | |
| 42. |
Which of the following is used in developing transgenic plants?A. Rhizopium spB. Agrobacterium tumefaciensC. Bacillus subtilisD. Pseudomonas denitry ficans |
| Answer» Correct Answer - B | |
| 43. |
Which Bt crop is recently recommended for cultivation in India?A. CottonB. WheatC. SoyabeanD. Rice |
| Answer» Correct Answer - A | |
| 44. |
Blindness is prevented by use to which crop in poor countries?A. WheatB. Flavr SavrC. Golden riceD. Pea |
| Answer» Correct Answer - C | |
| 45. |
Banting and Macleod won the Nobel Prize in Medicine or Physiology isA. 1923B. 1920C. 1935D. 1937 |
| Answer» Correct Answer - A | |
| 46. |
Alec Jeffreys developed the DNA fingerprinting technique. The probe he used wasA. SNPB. sex chromosomesC. rDNAD. VNTR |
| Answer» Correct Answer - D | |
| 47. |
Addition of phase DNA into genetic material of host is calledA. LysogencyB. LysisC. ProphaseD. None of these |
| Answer» Correct Answer - A | |
| 48. |
The molecular structure of insulin was described byA. KorenbergB. SwaminathanC. RichardsonD. Sanger |
| Answer» Correct Answer - D | |
| 49. |
Chemically, insulin is aA. lipdB. steroidC. peptideD. oligonucleotide |
| Answer» Correct Answer - C | |