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Biotechnology Mock Tests

32 questions available

Biotechnology Mock Test 1

Questions: 30

Biotechnology Mock Test 2

Questions: 2

नमूना प्रश्न

NEET Biology
Restriction enzymes are molecular scissors used in recombinant DNA technology. EcoRI recognises the sequence GAATTC and cuts between G and A. What type of ends are produced by EcoRI digestion?
A Blunt ends with no overhangs
B Sticky (cohesive) ends with 5' overhangs (AATT)
C Sticky ends with 3' overhangs
D Circular DNA molecules
NEET Biology
In biotechnology, the enzyme DNA ligase is commonly referred to as:
A A restriction enzyme
B "Genetic scissors"
C "Genetic glue" or "molecular glue"
D A DNA polymerase variant
NEET Biology
In biotechnology, which vector is commonly used for cloning genes in plants?
A pBR322
B pUC19
C Agrobacterium tumefaciens Ti plasmid
D pGEM-T
NEET Biology
Which of the following is the correct statement about "recombinant DNA technology" and the role of plasmids?
A Plasmids are small, circular, extrachromosomal DNA molecules used as vectors to carry foreign DNA into host cells
B Plasmids are large, linear DNA molecules that are part of the bacterial chromosome
C Plasmids are RNA molecules that replicate independently of the bacterial genome
D Plasmids are proteins that help in DNA replication in bacteria
NEET Biology
In biotechnology, which enzyme is commonly used to join DNA fragments from different sources?
A DNA polymerase
B Restriction endonuclease
C DNA ligase
D Hydrolase
NEET Biology
Which of the following techniques is used to separate DNA fragments based on their size?
A PCR (Polymerase Chain Reaction)
B Elution
C Gel electrophoresis
D Transforming
NEET Biology
Which of the following biotechnological applications involves the use of recombinant DNA technology to produce human insulin?
A Gene therapy
B Recombinant DNA technology for human insulin production
C Bt crops
D DNA fingerprinting
NEET Biology
Bt cotton is resistant to which type of pest, and what gene confers this resistance?
A Nematodes — cryI gene from Bacillus thuringiensis
B Bollworms — cryAb/cryAc genes from Bacillus thuringiensis
C Fungal pathogens — chitinase gene from a fungus
D Viruses — RNA interference from plant genes

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