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Biotechnology And Its Applications

339 Questions Start Allen Test
All Exams Allen
Q301 Allen 4. NCERT BASED QUESTIONS MCQ
Which one of the following statements about genetically engineered insulin is incorrect?
A.
E. coli is used for producing human insulin?
B.
Chains A, B were produced separately
C.
Eli lilly company prepared it for first time
D.
Genetically engineered insulin has C-peptide
Q302 Allen 4. NCERT BASED QUESTIONS MCQ
Infection by pathogen can be detected by the presence of antigens or by detecting the antibodies synthesised against the pathogen, on this principle a test is based which is?
A.
"PCR"
B.
ELISA
C.
Both 1 and 2
D.
None of the above
Q303 Allen 4. NCERT BASED QUESTIONS MCQ
Indian parliament recently cleared, which amendment of the Indian patents bill:-
A.
First amendment
B.
Second amendment
C.
Third amendment
D.
Fourth amendment
Q304 Allen 4. NCERT BASED QUESTIONS MCQ
How many documented varieties of basmati rice distinct for its unique aroma and flavour are grown in India?
A.
27 varieties
B.
25 varieties
C.
28 varieties
D.
26 varieties
Q305 Allen 4. NCERT BASED QUESTIONS MCQ
Over 95 percent of all existing transgenic animals are:-
A.
Pigs
B.
Cows
C.
Fish
D.
Mice
Q306 Allen 4. NCERT BASED QUESTIONS MCQ
The organisation set up for making decisions regarding the validity of GM research and the safety of introducing GM organism for public services is:-
A.
Genetic engineering approval committee
B.
Genetic engineering advanced company
C.
Genetic engineering applied committee
D.
None of these
Q307 Allen 4. NCERT BASED QUESTIONS MCQ
Use of bio-resources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment is called:-
A.
Bio theft
B.
Biopatent
C.
Biopiracy
D.
None of the above
Q308 Allen 4. NCERT BASED QUESTIONS MCQ
Which animal is being used to test the safety of polio vaccine?
A.
Transgenic mice
B.
Transgenic pig
C.
Transgenic cow
D.
Transgenic cat
Q309 Allen 4. NCERT BASED QUESTIONS MCQ
Cry1Ab gene produces proteins which control?
A.
Bollworms
B.
Corn borer
C.
Both A and B
D.
None of the above
Q310 Allen 4. NCERT BASED QUESTIONS MCQ
Nematode-specific genes were introduced into the host plant (tobacco plant) by using which vector?
A.
Plasmid vector
B.
Cosmid vector
C.
Bacteriophage vector
D.
BAC
Q311 Allen 4. NCERT BASED QUESTIONS MCQ
Which one of the following statements are true regarding genetic modifications?
A.
Genetic modifications reduced reliance on chemical pesticides
B.
Genetic modifications has enhanced nutritional value of food.
C.
Genetic modifications made crops more tolerant to abiotic stresses.
D.
All are correct
Q312 Allen 4. NCERT BASED QUESTIONS MCQ
Critical research areas of biotechnology are:-
A.
providing the best catalyst in the form of improved organism usually a microbe or pure enzyme.
B.
Creating optimal conditions through engineering for a catalyst to act.
C.
Down stream processing technologies to purify the protein/organic compound.
D.
All the above
Q313 Allen 4. NCERT BASED QUESTIONS MCQ
Bacterium genetically engineered for cleaning oil spills is:-
A.
Escherichia coli
B.
Pseudomonas putida
C.
Salmonella typhimurium
D.
Agrobacterium tumifaciens
Q314 Allen 4. NCERT BASED QUESTIONS MCQ
Bacterium which is known as 'Super bug' is:-
A.
Pseudomonas putida
B.
Salmonella
C.
Escherichia
D.
Agrobacterium
Q315 Allen 4. NCERT BASED QUESTIONS MCQ
Animals those have had their DNA manipulated to possess and express an extra (foreign) gene are known as:-
A.
Transgenic animals
B.
Genetically modified animals
C.
Both 1 and 2
D.
None of the above
Q316 Allen 4. NCERT BASED QUESTIONS MCQ
When cut by the restriction enzyme, the DNA fragments can be joined together using :-
A.
DNA polymerase
B.
DNA ligase
C.
Alkaline phosphatase
D.
DNA gyrase
Q317 Allen 4. NCERT BASED QUESTIONS MCQ
Genetically engineered human insulin is made in:-
A.
Fungus
B.
Protista
C.
Plants
D.
Bacterium
Q318 Allen 4. NCERT BASED QUESTIONS MCQ
Genetically engineered bacteria are being used in commercial production of :-
A.
melatonin
B.
testosterone
C.
thyroxine
D.
human insulin
Q319 Allen 4. NCERT BASED QUESTIONS MCQ
Insulin consists of two short polypeptide chains, which are linked together by?
A.
Sulphide bridges
B.
Peptide bridges
C.
Chloride bridges
D.
Disulphide bridges
Q320 Allen 4. NCERT BASED QUESTIONS MCQ
Meloidegyne incognitia infects the root of which plant ?
A.
Potato
B.
Soyabean
C.
Tobacco
D.
Tomato
Q321 Allen 4. NCERT BASED QUESTIONS MCQ
Genetics modified crops (GMC) are useful in agriculture because :-
A.
They are more tolerant to abiotic stresses
B.
They increase reliance on chemical pesticide
C.
They have reduced nutritional value
D.
All the above
Q322 Allen 4. NCERT BASED QUESTIONS MCQ
A nematode Meloidegyne incognitia infects the root of tobacco plant and causes a great reduction in yield. A novel strategy was adopted to prevent this infection which was based on the process of :-
A.
DNA interference
B.
RNA interference
C.
"" technique
D.
DNA test
Q323 Allen 4. NCERT BASED QUESTIONS MCQ
In RNA interference (RNAi) :-
A.
The silencing of a specific mRNA due to a complementary dsRNA molecule that binds to and prevent translation of the mRNA
B.
The silencing of a specific mRNA due to dsDNA
C.
The silencing of a specific mRNA due to tRNA
D.
All the above
Q324 Allen 4. NCERT BASED QUESTIONS MCQ
The protein encoded by the gene cryIAc and cryIIAb, controls :-
A.
Cotton bollworm
B.
Corn borer
C.
Cotton borer
D.
All the above
Q325 Allen 4. NCERT BASED QUESTIONS MCQ
Transgenic animals produces biological product such as $\alpha$-1-antitrypsin, which is used to treat :-
A.
Emphysema
B.
Cystic fibrosis
C.
Phenyl ketonuria
D.
Sickle cell anaemia