Mark the incorrect statement:

1.	By using Agrobacterium vectors nematode specific genes were introduced into the host plant.
2.	Bacillus thuringiensis forms protein crystals during a particular phase of growth.
3.	C-peptide is not present in mature insulin and is removed during maturation into insulin.
4.	All vectors naturally contain antibiotic-resistance gene.

The Indian government has set up an organization, ____________ which will make decisions regarding the validity of GM research and the safety of introducing GM-organisms for public use 

1.  GEAC

2.  Indian Patents Authority

3.  Ministry of Forestry

4.  Intellectual Properties Authority

All of the following statements are correct in respect of gene therapy, except

1. It allows correction of genetic defect in embryonic stage only 

2. The gene is inserted into cells and tissues to treat a disease

3. Delivery of a normal gene into cell takes over the function of and compensate for the non-functional gene 

4. As a step towards gene therapy to treat ADA deficiency, ADAcDNA is introduced into cultured lymphocytes of the patient and subsequently returned to him/her.

Which of the following statement is incorrect? 

1. Golden rice in vitamin A

2. Human protein $(\alpha -1 antitryp\sin )$ obtained from transgenic animals is used to treat emphysema

3. Human protein-enriched milk, which contained the human alpha-lactalbumin was produced by the transgenic cow, Molly 

4. TPA (Tissue Plasminogen Activator) is used by doctors to dissolve clots after a heart attack in patients 

A person received a blood transfusion and he suspects
that the donor’s blood was not properly tested. The
recipient’s blood does not have any anti HIV antibodies
as yet. Which of the following tests would be of
diagnostic value?

1. ELISA

2. Southern blot

3. PCR

4. Northern blot

Read the following four statements (A-D) about certain mistakes in two of them

(A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactal bumin enriched.
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules.
(C) Downstream processing is one of the steps of rDNA technology.
(D) Disarmed pathogen vectors are also used in transfer of r-DNA into the host.

Which are the two statements having mistakes?
1. Statement (B) and (C)
2. Statement (C) and (D)
3. Statement (A) and (C)
4. Statement (A) and (B)

From RNA interference technique
1. Toxins are made to kill soil parasites.
2. Made crops more tolerant to abiotic stresses.
3. Plants are made resistant to soil parasites.
4. Plants are developed to get the enhanced nutritional
value of food

In biotechnology transgenic animals are used for
I. Study of disease.
II. To obtained human protein.
III. Vaccine safety for humans.
IV. To know the carcinogenicity of any chemicals.

1. I, II, III and IV 
2. III and IV only
3. I, III and IV 
4. I and II only

When DNA is transcribed into mRNA, usually the mRNA remains single-stranded, but in some cases a RNA can be made that is complementary to the mRNA. This is called __________ and its main function is to _______:

1. Antisense RNA, block gene expression

2. Antisense RNA, amplify mRNA

3. Antisense RNA, enhance translation

4. Reverse transcription, enhance translation

Which of the following is correct about probe?
A. It is ssDNA or ssRNA.
B. Used to detect gene of interest from gene library.
C. Used to detect mutations in genes in suspected
cancer patients.
D. Used to detect HIV in suspected AIDS patients.

1. A only
2. A and B
3. A, B and C
4. A,B,C and D