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In Bt cotton, the Bt toxin present in th...

In Bt cotton, the Bt toxin present in the plant tissue as protoxin is converted into active toxin due to (A) Presence of conversion factors in insect gut (B) Alkaline pH of the insect gut (C) Acidic pH of the insect gut (D) Action of gut microorganisms

A

Presence of conversion factors in the insect gut

B

Alkaline pH of the insect gut

C

Acidic pH of the insect gut

D

Action of gut microorganisms

Text Solution

Verified by Experts

The correct Answer is:
B

Alkaline pH of the insect gut
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Insect pest resistant Bt cotton was developed by (A) Somaclonal variations (B) Micropopagation (C) Transgenic technology (D) Somatic hybridization

Read of the following statements:- (a) Insect resistance in crop plants may be due to morphological, biochemical or playsiological characteristics. (b) Hairy leaves in cotton are resistant to cereals jassids. (c) Smooth leaves and nectar-less cotton varieties do not attract bollworms. (d) In maize, high asparatic acids, low nitrogen and sugar leads to resistance to stemborers. Choose correct statements :-

KUMAR PRAKASHAN-BIOTECHNOLOGY AND ITS APPLICATIONS-Section - F (Multiple Choice Questions (MCQS FROM .DARPAN. BASED ON TEXTBOOK ))
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  2. The crops engineered for glyphosate are resistant to (A) Herbicides (...

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  3. In Bt cotton, the Bt toxin present in the plant tissue as protoxin is ...

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  4. Which body of the government of india regulates GM research and the sa...

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  5. A monopoly granted to a person who as either invented a new and useful...

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  6. Rules of conduct that may be used to regulate our activities in relati...

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  7. Biopiracy is (A) Exploitation of bio-resources (B) Patenting bio-res...

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  8. X is the right granted by a government to an inventor to prevent other...

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  9. Which of the following statements is correct regarding Genetic Enginee...

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  10. Which of the following statements is correct? (A)The current interes...

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  11. Biopatents are (i) Right to use invention (ii) Right to use biol...

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  12. Which of the following has been covered under the broad patent categor...

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  13. Early detection of disease is possible by (A) PCR (B) Gene therapy (...

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  14. The study of all the proteins coded by the genome is called as (A) P...

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  15. A doctor while operating on an HIV (+) patient accidentally cuts himse...

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  16. Choose the correct option regarding Retrovirus. (A) A RNA virus that...

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  17. All are the biotechnological applications in order to increase food pr...

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  18. Bt toxin have been expressed in plants in order to provide resistance ...

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  19. Which of the following risks are associated with genetically modified ...

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  20. Which of the following types of ELISA contain the following steps ? ...

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