biotech & its application

B. thuringiensis form protein crystal at which phase of their life ?

• reproductive phase

• growth phase

• senescent

• during embryonic phase

_____gene control cotton bollworms

• cryIAc

• cryIIAb

• cryIAb

• both (1) & (2)

by genetic modification of plants , mineral usage efficiency of plants can be ......A...... and thus the exhaustion of fertility of soil is ......B..........

• A- increased , B- hastened

• A- increased , B- delayed

• A- decreased , B- hastened

• A- decreased , B- delayed

ADA deficiency results in

• increases risk of infertility

• inability of immune system to function normally

• chromosomal disorders

• decrease in yield of crop plant

Maximum utilisation of the techniques of biotechnology has been made in the field of:

• Agriculture                                

•      

  Medicines

• Industries       

•        Biogas production

Golden rice is a transgenic crop of the future with the following improved trait:

• High lysine (essential amino acid) content

• Insect resistance

• High protein content

• High vitamin-A content

Strains of Bacillus thuringiensis are used in producing:

• Bioinsecticidal plants

• Biomineralisation

• Biometallurgical techniques

• Biofertilisers

GM crop is transgenic. It can be harmful because it may cause:

• allergies and toxicity.

• incorporation of antibiotic resistance in human beings.

• disturbance in metabolism due to enzyme for antibiotic resistance.

• All of the above

In the treatment of SCID, cDNA is introduced into a patient's cells using.............as a vector.

• E coli                

•                    Retrovirus  

• Bacillus thuringiensis                   

• Agrobacterium

Most widely used bioweapon is:

• Bacillus subtilis

• Pseudomonas putida

• Bacillus anthracis

• None of the above