To test the safety of polio vaccine, the organisms used are transgenic :

1. Mice

2. Pigs

3. Monkey 

4. Cattle

The first human hormone produced by recombinant DNA technology was :

(1) Estrogen

(2) Growth hormone

(3) Erythropoietin

(4) Insulin

Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?
1. Plasminogen activator (rPA)
2. α-antitrypsin (ATT)
3. Casein
4. Amyloid precursor proteins

Which kind of therapy was given in 1990 to a four-year-old girl with Adenosine Deaminase (ADA) deficiency?

(1) Gene therapy 

(2) Chemotherapy

(3) Immunotherapy

(4) Radiation therapy

The two polypeptides of human insulin are linked together by

(1) phosphodiester bonds

(2) covalent bonds

(3) disulphide bridges

(4) hydrogen bonds

Which part of the tobacco plant is infected by Meloidegyne incognitia?

1. Leaf

2. Stem

3. Root

4. Flower

In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to 

(1) Alkaline pH of the insect gut

(2) acidic pH of the insect gut

(3) action of gut microorganisms

(4) presence of conversion factors in insect gut

A single strand of nucleic acid tagged with a radioactive molecule is called

1. vector

2. selectable marker

3. plasmid

4. probe

The process of RNA interference has been used in the development of plants resistant to 

(1) fungi

(2) viruses

(3) insects

(4) nematodes

Maximum number of existing transgenic animals is of 

(1) mice

(2) cow 

(3) pig

(4) fish