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Biology MCQ Question - Biotechnology
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1. A sugarcane cell has _________ chromosomes.
20
32
40
80
2. Centromere represents
Primary constriction
Secondary constriction
Tertiary constriction
Quaternary constriction
3. Wich of the following cal kill mice if injected separately?
Live R type pneumococcus
Heat killed R type pneumococcus
Live S type pneumococcus
Heat killed S type pneumococcus
4. X-Ray diffraction pattern of DNA was prepared by
Rosalind Franklin
Maurice Wilkins
Watson
Crick
5. In sickle cell Hb, which chain is affected?
Alpha chain
Beta Chain
Both of these
None of these
6. Recombinant DNA contains DNA from
2 different sources
3 different sources
2 same sources
3 same sources
7. First restriction enzyme was isolated by
Kary Mullis
Hamilton O. Smith
Maxam Gilbert
Hamilton John
8. Commonly used restriction enzyme is
pSC 101
pBR 322
EcoRI
All of these
9. Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility
Recombinant DNA
Chimaeric DNA
Lambda phage
Plasmids
10. Which one has antibiotic resistance gene for tetracycline and ampicillin?
pSC 101
pBR 322
pCR 322
None of these
11. The enzyme which seals the foreign DNA into the vector is
Restriction endonuclease
DNA polymerase
DNA ligase
DNA mutase
12. Chimaeric DNA is also known as
Recombinant DNA
Complementary DNA
Vector
Plasmid
13. Lambda phage is
Virus
Bacterium
Plasmid
Host cell
14. A genomic library is a collection of
Bacterial clones
Bacteriophage clones
Viral clones
Both a and b
15. A single stranded nucleotide sequence that will hybridize into a certain piece of DNA is
Primer
Probe
Genome
Both a & b
16. Which statement is not true about PCR?
Developed by Kary Mullis
Take its name from DNA polymerase
Is not very specific
Taq polymerase is used
17. Taq polymerase is extracted from a bacterium
Floral aquaticus
Taq aquaticus
Thermus floral
Thermus aquaticus
18. DNA analysis is done to
Diagnose viral infections
Identify criminals
Determine evolution
All of these
19. Human genome is ______ times larger than any other genome sequenced so far
45
35
25
15
20. Organisms that have had a foreign gene inserted into them are
Transformed organisms
Transgenic organisms
Transfigured organisms
Recombinant organisms
21. Some transgenic bacteria produce a dipeptide sweetener called
Ultrasweet
Disweet
Monosweet
Neutrasweet
22. Transgenic plants are produced when foreign genes are introduced into
Mature plant embryo
Immature plant embryo
Roots
Leaves
23. Protoplasts are plant cells from which
Cell walls are removed
Nucleus is removed
New organelles are added
Vacuoles are taken out
24. A weed engineered to produce a biodegradable plastic in cell granules is
Mouse-cat cress
Mouse weed
Mouse-eared cress
None of these
25. An antibody made by soybeans can be used to treat
Herpes zoster
Sickle cell anemia
Measles
Genital berpes
26. In vortex method of transgenic animals gene is inserted
By hand
Into egg
Both by hands and into eggs
Is not applicable
27. For biotechnology products which is the preferable vehicle
Urine
Milk
Sweet
Hairs
28. Cumulus cells are those that
Remain with follicular cells after ovulation occurs
Form corpus luteum
Form lining of the ovary
Cling to the egg after ovulation occurs
29. Two methods for gene therapy are
In-vivo and ex-vitro
Ex-vivo and in-vivo
Both of these
None of these
30. In cystic fibrosis patient lacks a gene for the transmembrane carrier of the
Magnesium ion
Calcium ion
Cholesterol
Chloride ion
31. Plasmid do not carry gene for
Antibiotic resistance
Fertility
Growth
Both b and c
32. Full set of genes of an individual is called
Genotype
Genomic library
Genome pool
Genome
33. Transgenic bacteria are produced in large vats called
Transducer
Biomultiplier
Bioreactor
Culture media
34. Which of the following is correct about SCID?
Common in children as well as in adults
It is an immune disorder
Is due to deficiency of adenosine diaminase
Both b and c
35. Tissue culture does not involve
Growth of tissue in artificial medium
Asexual reproduction
Use of meristem
Use of generative nucleus in pollen culture
36. Plants are totipotent because
Each cell has full genetic potential of the organism
A single cell could become a complete plant
Both a and b
Because they have lesser potential for tissue culturing
37. Coconut milk contains the plant hormone
Auxins
Cytokinins
Gibberallins
All of these
38. Cell suspension cultures of
Cinchona produces quinine
Digitalis lanata produce digitoxin
Both a and b
None of these
39. A device that bombards a callus with DNA coated microscopic metal particles is
DNA gun
DNA shooter
Particle gun
All of these
40. Salt tolerant plants are
Cadabidopsis
Nemodopsis
Saltdopsis
Arabidopsis
41. Which of these is a true statement?
Both plasmids and viruses can serve as vectors.
Plasmids can carry recombinant DNA but viruses cannot
Vectors carry only the foreign gene into the host cell.
Only gene therapy uses vector.
42. Which of these would you not expect to be a biotechnology product?
Vaccine
DNA probes
Proteins
Steroid hormones
43. Which of these is incorrectly matched?
Protoplast-plant cell engineering
RFLPs-DNA fingerprinting
DNA polymerase-PCR
DNA ligase-Mapping human chromosome
44. Study of relationship of organisms to their environment is
Ecology
Palaentology
Geology
None of these
45. All populations within an ecosystem interconnected to one another are known as
Species
Family
Community
Biomes
46. Major regional ecological community of plants and animals forms
Biosphere
Biomass
Biomes
Bioecosystem
47. The actual location or place where an organism lives is
Environment
Biosphere
Biomass
Habitat
48. The role a species plays in a community including behavior and influence is
Nichon
Niche
Autecology
Profession
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