Biotechnology Test Preparation Set.3 have 100 MCQs that helpful in preparing Biotechnology Job Tests also include previously asked MCQs.
MCQs test under the topic of Biotechnology covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
201 - In monoclonal antibody technology, tumor cells that can replicate endlessly are fused with mammalian cells that produce an antibody. The result of this cell fusion is a
hybridoma
202 - In plant cell culture media, auxins and cytokinins are used in the range of
l-50?M
203 - In plant cells, which of the following is not a function of the large central vacuoles of plant cells?
Contractile regulation of
204 - In prokaryotes, just before the cell divides, the two daughter genomes are attached side by side to the
cell membrane
205 - In response to the activating signal molecule, an endonuclease is produced that causes nicks in the T-DNA. It is encoded by
vir D
206 - In sparkling wine production, the cuvee is
the base wine
207 - In submerged process for the fermentation to produce citric acid,
Fungal mycelium grows through out the solution in a deep tank
208 - In the bundle sheath of C4 plant __________ is/ are less than mesophyll.
PSII
209 - In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?
Ribulose-l,5-diphosphate
210 - In the cell cycle replication of the genome occurs in the
S phase
211 - In the liposome mediated gene transfer in plants, nucleic acids are
both (a) and (b)
212 - In the meiotic cell divison in daughter cells are produced by two successive division in which
first division is equational, second is reductional
213 - In the presence of carbon monoxide, nitrogen fixation
inhibits
214 - In transgenic fish, the genes are introduced by
microinjection in fish
215 - In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?
Both (a) and (b)
216 - In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that
these proteins trigger the production of other antimicrobial defenses
217 - In which of the following phase preparations for genome separation are made?
M
218 - In which phase, each chromosome replicates to produce two sister chromatids?
Interphase
219 - In which year, Dolly the first mammalian clone was born?
1996
220 - Incase of inversion when the inverted segment of chromosome includes centromere, it is known as
pericentric inversion
221 - Inoculum preparation for the fermentation medium for penicillin takes place on
barley seeds
222 - Insect resistance in the transgenic plant has been achieved by
all of the above
223 - Inserted DNA in ? gt 11 can be expressed as
?-galactosidase fused protein
224 - Integrated nopaline T-DNA occurs as
single segment
225 - Integrated octopine T DNA occurs as
two segments
226 - Intermediate vectors containing T-DNA are conjugation deficient. Thus conjugation is mediated in presence of which of the following plasmid?
either (a) or (b)
227 - Inundation involves use of a/an
large number of organisms over a short time to suppress/destroy a population
228 - Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be
3-deoxyanthocyanidin
229 - It is highly valued if the lymphocytes derived from the lymph node or tonsil tend to undergo fusion at
high frequencies
230 - Karyoplast is
nuclei with only some residual plasma membrane
231 - Klinefelter syndrome is a manifestation of which chromosome aneuploidy?
XXY
232 - Lagers are the beer in which fermentation is carried out using
bottom yeast
233 - Lichen involves two organisms as
algae and fungi
234 - Liposomes mediated gene transfer in plants involves
all of the above
235 - Low temperatures induce the expression of many cold-induced genes. Transgenic plants with improved cold tolerance have been produced by
expressing the protein that activates expression of these genes all the time in plants
236 - Lysosomes are associated with
digestion
237 - Lytic infection of SV 40 does not occur in
non permissive cells
238 - M 13 is an example of
both (a) and (b)
239 - Malolactic fermentation
all of these
240 - Malt vinegar is produced from
malted grain
241 - Malting process allows malt amylase and proteinases to degrade starch and protein to
maltose and peptone as well as peptides
242 - Maturation of the beers is carried out at
2°C
243 - Maximum amount of foreign DNA introduced into SV 40 viruses is
2.5 kb
244 - Maximum insert size in case of adenovirus vectors is
6-8 kb
245 - Maximum size of foreign DNA that can be inserted into a replacement vector is
20-25 kb
246 - Maximum size of foreign DNA that can be inserted into an insertion vector is
18 kb
247 - Media composition for the production of streptomycin is
soybean meal, glucose, peptone, malt extract, sodium chloride
248 - Media used for the production of chlorotetracyclin consists of
sugar, corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
249 - Meristem culture of banana enables
both (a) and (b)
250 - Metabolic interference is a term used to describe a method to metabolize a compound and prevent the synthesis of something that is normally produced. What compound(s) have been targeted for metabolic interference in tomato?
Both (a) and (b)
251 - Methotrexate is toxic to human cells because it inhibits
reduction of H2 folate to H4 folate
252 - Microarray analysis involves biological assays based on
small glass chips
253 - Microarrays are also known as
all of these
254 - Microbiosensors are based on
ionsensitive field effect transistor
255 - Microinjection involves
injection with needle having diameter greater than cell diameter
256 - Microinjection technique of introducing NA is a
physical method
257 - Microprojectile method of gene transfer in plants involves delivery of DNA
with the help of bolistics
258 - Microtubules grow from the poles to kinetochores of each chromatid during
prophase
259 - Milbemycin is known to exhibit a broad spectrum of activity against
agricultural pests
260 - Mitochondria can be expected most numerous in
muscle cells
261 - Moloney-Mu-leukemia virus is an example of
Retro virus
262 - MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
GA3 and coconut milk
263 - Multiple ovulation and embryo transfer (MOET)
all of the above
264 - Mycorrhizae are symbiotic associations between
root and fungi
265 - Neurospora is used as an experimental tool in
genetics
266 - Neutralized activated charcoal is occasionally added to young regenerating cultures to
both (a) and (b)
267 - Nitrilase is encoded by
gene bxn in Klebsiella pneumoniae
268 - Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media
utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise
269 - Nitrosomonous and Nitrobacter obtain their carbon for growth from
carbon dioxide
270 - Normally CO2 and O2 enter a plant by
diffusion
271 - On Ti-plasmid T-region or T-DNA is flanked by a direct repeat of
25 bp
272 - Opine synthesis is the property
both (a) and (b)
273 - Opines are
amino acid derivatives found in tumor tissues
274 - Opines that are present in crown gall tumour include
all of these
275 - Organisms capable of converting N2 to NO3 are
bacteria
276 - Organogenesis is
formation of root and shoots on callus tissue
277 - P1 cloning vector allow cloning of DNA of the length of
100 kbp
278 - P1 cloning vector is the example of
bacteriophage
279 - pBR 322 has/have which of the following selection marker(s)?
Both (a) and (b)
280 - Penicillin is produced by
aerobic fermentation
281 - Penicillin is recovered after fermentation as
potassium penicillin
282 - pH of culture medium is initially controlled by
presence of bicarbonate buffer
283 - Phagemid consist of
plasmid vector carrying ? attachment (? att) site
284 - Phagemid vectors are
combination of plasmid and phage ?
285 - Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using
both (a) and (b)
286 - Phloem is composed of
sieve-tube elements and companion cells
287 - Phosphinothricin acetyl transferase is encoded by
bar gene in Streptomyces spp
288 - Plant tissue culture technique is used to select somaclones that are
resistant to herbicide
289 - Plant transformation vectors based on Agrobacterium can generally be divided into
two vectors
290 - Plants absorb nitrates from soil and convert them into
ammonia
291 - Plants containing genes encoding cytokines and blood clotting factors are used in
pharmaceutical production
292 - Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____.
different, identical
293 - Plasmid incompatibility is
inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
294 - Plasmids which are maintained as limited number of copies per cell are known as
stringent plasmids
295 - Plasmids which are maintained as multiple copy number per cell are known as
relaxed plasmids
296 - Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?
The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
297 - Polyhedrin protein is
both (a) and (b)
298 - Preliminary clinical results with a humanized antibody against the interleukin-2 receptor have suggested the
absence of human immune response against murine proteins (HAMA) response
299 - Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
expression vectors
300 - Production of transgenic animals require transfections of
eggs or embryos
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