A device that bombards a callus with DNA coated microscopic metal particles is
1.DNA gun
2.DNA shooter
3.Particle gun
4.All of these
A genomic library is a collection of
1.Bacterial clones
2.Bacteriophage clones
3.Viral clones
4.Both a and b
A single stranded nucleotide sequence that will hybridize into a certain piece of DNA is
1.Primer
2.Probe
3.Genome
4.Both a & b
A sugarcane cell has _________ chromosomes.
1.20
2.32
3.40
4.80
A weed engineered to produce a biodegradable plastic in cell granules is
1.Mouse-cat cress
2.Mouse weed
3.Mouse-eared cress
4.None of these
All populations within an ecosystem interconnected to one another are known as
1.Species
2.Family
3.Community
4.Biomes
An antibody made by soybeans can be used to treat
1.Herpes zoster
2.Sickle cell anemia
3.Measles
4.Genital berpes
Cell suspension cultures of
1.Cinchona produces quinine
2.Digitalis lanata produce digitoxin
3.Both a and b
4.None of these
Centromere represents
1.Primary constriction
2.Secondary constriction
3.Tertiary constriction
4.Quaternary constriction
Chimaeric DNA is also known as
1.Recombinant DNA
2.Complementary DNA
3.Vector
4.Plasmid
Coconut milk contains the plant hormone
1.Auxins
2.Cytokinins
3.Gibberallins
4.All of these
Commonly used restriction enzyme is
1.pSC 101
2.pBR 322
3.EcoRI
4.All of these
Cumulus cells are those that
1.Remain with follicular cells after ovulation occurs
2.Form corpus luteum
3.Form lining of the ovary
4.Cling to the egg after ovulation occurs
DNA analysis is done to
1.Diagnose viral infections
2.Identify criminals
3.Determine evolution
4.All of these
First restriction enzyme was isolated by
1.Kary Mullis
2.Hamilton O. Smith
3.Maxam Gilbert
4.Hamilton John
For biotechnology products which is the preferable vehicle
1.Urine
2.Milk
3.Sweet
4.Hairs
Full set of genes of an individual is called
1.Genotype
2.Genomic library
3.Genome pool
4.Genome
Human genome is ______ times larger than any other genome sequenced so far
1.45
2.35
3.25
4.15
In cystic fibrosis patient lacks a gene for the transmembrane carrier of the
1.Magnesium ion
2.Calcium ion
3.Cholesterol
4.Chloride ion
In sickle cell Hb, which chain is affected?
1.Alpha chain
2.Beta Chain
3.Both of these
4.None of these
In vortex method of transgenic animals gene is inserted
1.By hand
2.Into egg
3.Both by hands and into eggs
4.Is not applicable
Lambda phage is
1.Virus
2.Bacterium
3.Plasmid
4.Host cell
Major regional ecological community of plants and animals forms
1.Biosphere
2.Biomass
3.Biomes
4.Bioecosystem
Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility
1.Recombinant DNA
2.Chimaeric DNA
3.Lambda phage
4.Plasmids
Organisms that have had a foreign gene inserted into them are
1.Transformed organisms
2.Transgenic organisms
3.Transfigured organisms
4.Recombinant organisms
Plants are totipotent because
1.Each cell has full genetic potential of the organism
2.A single cell could become a complete plant
3.Both a and b
4.Because they have lesser potential for tissue culturing
Plasmid do not carry gene for
1.Antibiotic resistance
2.Fertility
3.Growth
4.Both b and c
Protoplasts are plant cells from which
1.Cell walls are removed
2.Nucleus is removed
3.New organelles are added
4.Vacuoles are taken out
Recombinant DNA contains DNA from
1.2 different sources
2.3 different sources
3.2 same sources
4.3 same sources
Salt tolerant plants are
1.Cadabidopsis
2.Nemodopsis
3.Saltdopsis
4.Arabidopsis
Some transgenic bacteria produce a dipeptide sweetener called
1.Ultrasweet
2.Disweet
3.Monosweet
4.Neutrasweet
Study of relationship of organisms to their environment is
1.Ecology
2.Palaentology
3.Geology
4.None of these
Taq polymerase is extracted from a bacterium
1.Floral aquaticus
2.Taq aquaticus
3.Thermus floral
4.Thermus aquaticus
The actual location or place where an organism lives is
1.Environment
2.Biosphere
3.Biomass
4.Habitat
The enzyme which seals the foreign DNA into the vector is
1.Restriction endonuclease
2.DNA polymerase
3.DNA ligase
4.DNA mutase
The role a species plays in a community including behavior and influence is
1.Nichon
2.Niche
3.Autecology
4.Profession
Tissue culture does not involve
1.Growth of tissue in artificial medium
2.Asexual reproduction
3.Use of meristem
4.Use of generative nucleus in pollen culture
Transgenic bacteria are produced in large vats called
1.Transducer
2.Biomultiplier
3.Bioreactor
4.Culture media
Transgenic plants are produced when foreign genes are introduced into
1.Mature plant embryo
2.Immature plant embryo
3.Roots
4.Leaves
Two methods for gene therapy are
1.In-vivo and ex-vitro
2.Ex-vivo and in-vivo
3.Both of these
4.None of these
Which of the following is correct about SCID?
1.Common in children as well as in adults
2.It is an immune disorder
3.Is due to deficiency of adenosine diaminase
4.Both b and c
Which of these is a true statement?
1.Both plasmids and viruses can serve as vectors.
2.Plasmids can carry recombinant DNA but viruses cannot
3.Vectors carry only the foreign gene into the host cell.
4.Only gene therapy uses vector.
Which of these is incorrectly matched?
1.Protoplast-plant cell engineering
2.RFLPs-DNA fingerprinting
3.DNA polymerase-PCR
4.DNA ligase-Mapping human chromosome
Which of these would you not expect to be a biotechnology product?
1.Vaccine
2.DNA probes
3.Proteins
4.Steroid hormones
Which one has antibiotic resistance gene for tetracycline and ampicillin?
1.pSC 101
2.pBR 322
3.pCR 322
4.None of these
Which statement is not true about PCR?
1.Developed by Kary Mullis
2.Take its name from DNA polymerase
3.Is not very specific
4.Taq polymerase is used
Wich of the following cal kill mice if injected separately?
1.Live R type pneumococcus
2.Heat killed R type pneumococcus
3.Live S type pneumococcus
4.Heat killed S type pneumococcus
X-Ray diffraction pattern of DNA was prepared by
1.Rosalind Franklin
2.Maurice Wilkins
3.Watson
4.Crick