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Bt cotton is resistant to...

Bt cotton is resistant to

A

insects

B

herbicides

C

salt resistant

D

drought resistant

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Bt toxin seen inside Bt cotton exists in an inactive form. But when a pest feeds on Bt cotton, it dies. How does the toxin in cotton plant kill the pest?

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in case of Bt cotton, how does the toxic insecticide protein produced by the bacterium kills the insect pest but not the cell of Bacillus thuringiensis where the toxic protein is generated?

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SARAS PUBLICATION-MODEL QUESTION PAPER 2-EXERCISE
  1. An anylysis of chromosomal DNA using the southern hybridisation techni...

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  2. DNAor RNA segment tagged with a radioactive molecule is called

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  3. Bt cotton is resistant to

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  4. The first clinical gene therapy was done for the treatment of

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  5. Some of the charcteristics of Bt cotton are

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  6. Consumption of which one of the following foods can prevent the kind o...

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  7. The organisms restricted to narrow range of temperature are called

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  8. A sedentary sea anemone gets attached to the shell lining of hermit cr...

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  9. The second stage of hydrosere is occupied by plants like

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  10. Which one of the following statements is correct for secondary success...

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  11. Which one among these is not an ex situ conservation strategy?

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  12. The term ‘alpha diversity’ refers to

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  13. Silent Valley is tropical evergreen forest located in

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  14. The domestic sewage in large cities

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  15. Causative agent of bubonic plague is transmitted by

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  16. Deficiency of Vit B12 caused

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  17. Trypsinogen is activated by an enzyme…... secreted by intestinal mucos...

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  18. The part of neuron that receives nerve impulse and pass on graded elec...

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  19. Location of leydig cells and their secretions are:

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  20. Which of these is not a green house gas

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