
Match column I containing transgenic organisms with their specific characteristics in column II and select the correct option from the given codes.
column I
column II
Golden rice
Protein-enriched
Bt cotton
Increased shelf life
Flavr Savr
Enriched with vitamin A
Rosie cow
High yield and pest resistant


Important Questions on Biotechnology and Its Applications
column I | column II | ||
---|---|---|---|
-1-antitrypsin | AIDS | ||
Transposon | Gene therapy | ||
ELISA | Emphysema | ||
Retroviral vector | Mobile genetic element |


(i) _____ enzyme is crucial for the immune system to function and its absence is caused by the deletion of a gene.
(ii) Insulin consists of _____ and _____ that are linked together by _____.
(iii) Transgenic mice are being used to test the safety of the _____.
(iv) _____ involves silencing of a specific mRNA due to a complementary dsRNA molecule that binds to and prevents translation of the mRNA.


With regard to insulin choose correct options.
(a) C-peptide is not present in mature insulin.
(b) The insulin produced by rDNA technology has C-peptide.
(c) The pro-insulin has C-peptide.
(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.


Fill in the blanks with appropriate options:
(i) ____ is removed during the processing of proinsulin to insulin.
(ii) The exploitation of bioresources without proper authorization is called ____.

Read the following statements:
(i) Agrobacterium tumefaciens infects the roots of the tobacco plant.
(ii) Enzymes present in the saliva of insects convert the inactive form of Bt toxin into an active form.
(iii) Bt corn has been made resistant to corn borer by introducing the crylAc gene.
(iv) Foods derived from transgenic crops are called GM foods.
Which of these statements are correct?
