Biotechnology Test Preparation Set.4 also 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.
301 - Protoplast fusion technique generally involves
isolation, fusion and culturing
302 - Protoplasts are the cells devoid of
cell wall
303 - Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with
both cellulotyic and pectolytic enzymes
304 - Punching down is done
to keep the cap dry
305 - Random amplified polymorphic DNA (RAPD) is a method that
reveals intra-specific variation and diversity between species
306 - Range of optimum glucose concentration present in the culture media is
5.5 - 55 mmol/litre
307 - Range of optimum glutamine concentration present in the culture media is
2-7 mmol/litre
308 - Range of osmolarity tolerated/accepted in mOsm/Kg of H2O by mammalian cells is
280-360
309 - Raphanobrassica is a classical example of
allopolyploidy
310 - Recalcitrant seeds are
killed by drying and freezing temperature
311 - Recombinant adeno virus can be created by deleting E1A/E 1B genes that are
transcriptional regulators and are essential for viral replication
312 - Recombinant SV40 viruses introduce the foreign DNA into cells
without the DNA mediated transfection
313 - Recombinant vaccine for HBV was produced by cloning viral genes in
autonomously replicating plasmid of yeast
314 - Recombinant vaccine for Hepatitis B virus has been synthesized against which of the following antigen?
Viral surface antigen (HBsAg)
315 - Reducing the expression of pectin methylesterase (PME) has resulted in
tomato juice that has higher viscosity
316 - Resistance to glyphosphate in transgenic petunia plants has been developed by the transfer of
gene for EPSPS(5-enol-pyruvyl shikimat 3 phosphate synthase)
317 - Resistance to L-phosphinothrium in tobacco plants is developed by the transfer of
gene for GS (glutamine synthase)
318 - Resistance to sulphonyl urea compounds in transgenic tobacco plant has been developed by the transfer of
gene for ALS (acetolactate synthase)
319 - Retroviruses consist of
RNA genome
320 - Retroviruses have advantage for being used as vector for animal cells because
all of the above
321 - Rice can grow in water submerged soil because the plants
all of the above
322 - S cerevisiae start producing ethanol with in
12 h
323 - Sake is
rice beer or wine of Japan
324 - Select the wrong statement about plasmids?
Its replication depends upon host cell
325 - Sequences that correctly describes the cell cycle is
-> S -> G2 -> mitosis -> cytokinesis -> G1 ->
326 - Sherry is a type of
wine
327 - Silver thiosulphate is added to culture medium as it helps to
prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.
328 - Single stranded circular RNA encapsidated with a larger RNA in a plant virus is
a virusoid
329 - Single stranded vectors are useful
all of the above
330 - Size of the DNA that can be packaged into a ? phage is
35-53 kb
331 - Small simple molecules are
poor antigens
332 - Sodium or potassium meta bi sulphate is added to crushed grapes to
check the undesirable organisms
333 - Somaclonal variation method refers to
heritable changes
334 - Somatic embryoids are
identical with zygotic embryos and without seed coats
335 - Some cross reactions with monoclonal antibodies (MAbs) can occur. Unexpected cross reactions occur more frequently with
Ig MAbs
336 - Some types of variation are due to changes in the genetic material. What is this type of change called?
Mutation
337 - Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called
established cell lines
338 - Sonti is
rice beer or wine of India
339 - Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as
glyoxysome
340 - Specific oxygen consumption rates for mammalian cells are in the range of (where n and p represents to nano and pico respectively)
0.05-5 pmol of O2/cell/h
341 - Spirit vinegar is produced from
ethanol
342 - Starch content of potatoes can be increased by using a bacterial gene, known as
ADP glucose pyrophosphorylase gene
343 - Streptomyces griseochromogenes is reported to show a potent curative effect against
rice blast disease
344 - Streptomycin is produced by
S. griseus
345 - Stuffer is
central fragment of the vector DNA
346 - Subculturing is similar to propagation by cuttings because
it separates multiple microshoots and places them in a medium
347 - Sugar content of the fermentation medium for citric acid is maintained at
20-25 %
348 - Superovulation is an
increased ovulatory response by external hormonal therapy
349 - Superovulation is primarily the result of
decreased atresia in medium and large follicles (>1.7 mm)
350 - SV 40 vectors, in which early region replacements are carried out, require
COS cell line
351 - SV 40 vectors, in which late region replacements are done, require
SV 40 helper virus
352 - Synthetic seeds are
somatic embryos encapsulated in suitable matrix
353 - T cells are the source of
all of these
354 - TC cells are important in controlling
all of these
355 - T-DNA transfer and processing into plant genome requires products of which of the following genes?
All of these
356 - The ability of the component cells of callus to form a whole plant is known as
redifferentiation
357 - The advantage of using DNA polymerases from thermophilic organisms in PCR is that
the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
358 - The antigen-specific lymphocytes can be immortalized by which of the following method?
All of the above
359 - The approach (s), which is/are currently followed to produce human monoclonal antibodies, is/are known as
all of these
360 - The cell cycle is controlled in most cells by
different cells exhibit different control strategies
361 - The cell membrane is made up of
lipoproteins
362 - The cellular organelle associated with photosynthesis is the
chloroplast
363 - The cellular organelle associated with secretion is the
golgi complex
364 - The centromeres move toward the poles in __________ .
anaphase
365 - The chief source of nitrogen for green plants is
nitrates
366 - The cohesion-tension theory of water movement helps to explain how water moves from soil into root?
Through the xylem
367 - The colour of flower is due to the presence of
chromoplast or anthocyanin
368 - The composition of the inner mitochondrial membrane is most like that of
some bacterial plasma membranes
369 - The controversy regarding the use of Bt corn is that it
both (a) and (b)
370 - The cross linkage of antigens by antibodies is known as
agglutination
371 - The crushed grapes are known as
must
372 - The crystal-like material sometimes found in wine bottles is
prevented by cold stabilizing
373 - The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as
expressivity
374 - The delayed ripening tomato was created by a biotechnologist who __________ a gene.
silenced
375 - The deliberate modifications of an organism's genetic information by directly changing its nucleic acid content is a subject matter of
genetic engineering
376 - The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as
border sequences
377 - The disorder in which of the following may cause ""Ehlers-Danlos Syndrome""?
Collagen protein
378 - The dried malt is the source of
both (a) and (b)
379 - The EBV-hybridoma technique
all of the above
380 - The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?
None
381 - The encapsulation of somatic embryos can be carried out by
both (a) and (b)
382 - The evaporation of water from leaves is called
transpiration
383 - The event(s) which does not occur during interphase, is/are
Chromatin condenses
384 - The fermentor can be sterilized by
steam under pressure
385 - The first field tests were conducted with which of the following genetically altered organism?
Strawberry seedlings sprayed with ice-minus bacteria
386 - The first therapeutic product formed by means of recombinant DNA technology is
insulin
387 - The first transgenic plants expressing engineered foreign genes were tobacco plants produced by the use of
Agrobacterium tumefaciens
388 - The fluid matrix of a cell is called the
cytosol
389 - The G0 phase is
the state of most cells in an animal body
390 - The gene coding for VP1 is cloned in
pBR 322
391 - The germination of barley kernels under controlled temperature and humidity to generate enzymes for the degradation of starch and protein is known as
malting
392 - The heavily polluted zone of water reservoir is known as
pleosaprophytic zone
393 - The homologous chromosomes follow the process of synopsis in the
zygotene
394 - The human fibroplast is a classical example of
stable primary cell lines
395 - The hybrid cells can be propagated
both (a) and (b)
396 - The hybrid embryo can be rescued from damage/collapse by growing it
in artificial medium
397 - The Ig locus is about
2/3rd of all hybridomas
398 - The inosine and hypoxanthine can be determined simultaneously by using
inosine sensor
399 - The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?
Carbohydrate moiety
400 - The left segment of octopine T-DNA (TL) is necessary for
tumour formation
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