Which is incorrect? 

1. Specific Bt toxin genes have been isolated from Bacillus thuringiensis. 
2. Meloidegyne incognitia does not infect the roots of tobacco plants
3. In mammals insulin is synthesized as a prohormone
4. ADA deficiency can be cured by bone marrow transplantation

Subtopic:  Interference RNA Tech |
 88%
Level 1: 80%+
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Interferon is a glycoprotein which is: 

1. Antibacterial

2. Antifungal

3. Antiviral

4. All of these

Subtopic:  Details of Immunity |
 78%
Level 2: 60%+
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Which statement is correct?

A.  Somaclonal variations are the variations observed in plants generated from somatic cultures.

B.  A transgenic crop is one that contains and expresses a transgene.

C.  Chloromycetin is obtained from Penicillium.

D.  Bioprospecting is the process of discovery and commercialization of new products based on biological resources

(1) A, B, D

(2) B, C

(3) C, D

(4) A, B, C, D

 53%
Level 3: 35%-60%
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Statement-I: Non-homologous DNA will attach to a DNA probe. 
Statement-II: At high temperature, two complementary DNA strands will anneal. 

1. Only statement - I is true
2. Only statement - II is true 
3. Both statements - I and II are true
4. Both statements - I and II are false
Subtopic:  Molecular Diagnosis |
Level 3: 35%-60%
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Match the following :-

Column-I Column-II
I. Biopiracy (A)  Gene therapy
II.   Retroviral vector materials   (B)   Illegal removal of biological    
III. Biopatent entities (C) Right granted for biological
IV.   Kohler and Milstein         (D)  Monoclonal antibody

1. I - B, II - A, III - D, IV - C

2. I - B, II - A, III - C, IV - D

3. I - B, II - C, III - A, IV - D

4. I - D, II - A, III - B, IV - C

Subtopic:  Gene Therapy | Ethical Issues |
 85%
Level 1: 80%+
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Match the following :-

Column-I

Column-II

I. Escherichia coli

(A) Nif gene

II. Bacillus thuringiensis

(B) Interferon

III. Rhizobium meliloti

(C) Bt toxin

IV. Pseudomonas putida

(D) Bioremediation

(1) I - B, II - A, III - D, IV - C

(2) I - B, II - A, III - C, IV - D

(3) I - B, II - C, III - A, IV - D

(4) I - D, II - A, III - B, IV - C

Subtopic:  Bt Crops | Transgenic Microbes & Animals |
 90%
Level 1: 80%+
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3. In a type of yeast fermentation , the entire medium with fermenting organism is removed from the bioreactor after reaching an alcohol level of 10-12%. This process is called
a. Continuous process
b. Batch process
c. Synchronous culture
d. Immobilized process

Subtopic:  Large Scale Production: II | Large Scale Production |
 64%
Level 2: 60%+
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The immobilization of enzymes is achieved by
a. Killing the cells without affecting enzymes
b. Attaching the enzymes covalently to a solid support
c. Entrapping the living cells in gel
d. All of these

 75%
Level 2: 60%+
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A genetically engineered micro-organism which has found extensive use in bioremediation oil spills is a species of
1. Trichoderma
2. Mucuna
3. Pseudomonas
4. Bacillus

Subtopic:  Transgenic Microbes & Animals |
 77%
Level 2: 60%+
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Incorporation of the gene for phytoene synthase and carotene desaturase to make a particular variety of yellowish rice has proven useful in the treatment of-

1. Congenital heart disease
2. Night blindness
3. Xeroderma
4. Phrenoderma
Subtopic:  Other GM Crops |
 91%
Level 1: 80%+
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