Introduction of foreign genes for improving genotype is

• biotechnology

• vernalization

• tissue culture

• genetic engineering

Bioreactors are useful in

• Separation and purification of a product

• Processing of large volumes of culture

• Micro-injection

• Isolation of genetic material

• Isolation of genetic material

In lysogenic phase which of the following takes place?

• Phage DNA integrated with host genome and does not multiplied

• Phage DNA does not integrate with host genome

• Phage DNA integrates with host genome and bacterial cell does not lyse

• Phage DNA integrated with host DNA and multiplied

Plasmid is

• small extrachromosomal circular self replicating DNA that can carry genes into host organism

• bacteriophage

• DNA found in mitochondria

• DNA incorporated in bacterial chromosome

Science of engineering and technology applied to life sciences is

• Biotechnology

• Genetic engineering

• Pathology

• Biological science

e -DNA is formed from m-RNA by which enzyme:

• restriction endonuclease

• reverse transcriptase

• DNA polymerase

• RNA polymerase

Hybridoma technology is used to :

• kill the cancer cells

• formation of somaclonal antibodies

• formation of somatic hybrids

• formation of antibiotics

Kohler and Milstein developed biotechnology for :

• monoclonal antibodies

• steroid synthesis

• immobilization of enzymes

• myeloma

The first recombinant DNA was constructed by linking an antibiotic resistant gene with the native plasmid of V

• Escherichia coli

• Salmonella typhimurium

• Clostridium butylicum

• Acetobacter aceti

• Acetobacter aceti

The polymerase chain reaction1 (PCR) is a technique that is used for

• in vivo replication of specific DNA sequence using thermostable DNA polymerase

• in vitro synthesis of mRNA

• in vitro replication of specific DNA sequence using thermostable DNA polymerase

• in vivo synthesis of mRNA

• in vivo synthesis of mRNA