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A new variety of rice was patented by a ...

A new variety of rice was patented by a foreign company, though such varieties have been present in india for a long time. This is related to

A

Basmati

B

Lerma Rojo

C

Sharbati Sonora

D

Co-667

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A
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In the atmosphere, carbon dioxide is found in two forms, i.e., ^12CO_2 and ^14CO_2 . Plants absord CO_2 during photosynthesis in presence of chlorophyll, plants synthesise glucose 6CO_2 +6 H_2O rarr C_6H_12O_6 + 6O_2uarr Half life of ^14CO_2 is 5760 years. The analysis of wooden artifacts for ^14C and ^12C gives useful information for determination of its age. All living organisms, because of their constant exchange of Carbon dioxide with the surroundings have the same ratio of C-14 to C-12, i.e. 1.3xx10^-12 . When an organism dies, the C-14 in it keeps on decaying as follows: 6^14Crarr7^14N+(-1)^0e +Energy Thus, the ratio of C-14 and C-12 decreases with the passage of time. We can measure the proportion of C-14 in the remains of dead organism and determine how long ago it died. The method of carbon dating can be used to date anything made or organic matter, e.g., bone, skeleton, wood, etc. Using carbon dating, materials have been dated to about 50,000 years with accuracy. C-14 exists in atmosphere due to:

In the atmosphere, carbon dioxide is found in two forms, i.e., ^12CO_2 and ^14CO_2 . Plants absord CO_2 during photosynthesis in presence of chlorophyll, plants systhesise glucose 6CO_2 +6 H_2O rarr C_6H_12O_6 + 6O_2uarr Half life of ^14CO_2 is 5760 years. The analysis of wooden artifacts for ^14C and ^12C gives useful information for determination of its age. All living organisms, because of their constant exchange of Carbon dioxide with the surroundings have the same ratio of C-14 to C-12, i.e. 1.3xx10^-12 . When an organism dies, the C-14 in it keeps on decaying as follows: 6^14Crarr7^14N+(-1)^0e +Energy Thus, the ratio of C-14 and C-12 decreases with the passage of time. We can measure the proportion of C-14 in the remains of dead organism and determine how long ago it died. The method of carbon dating can be used to date anything made or organic matter, e.g., bone, skeleton, wood, etc. Using carbon dating, materials have been dated to about 50,000 years with accuracy. A piece of wood from an archeological source shows a C-14 activity which is 60% of the activity found in fresh wood today. The age of archeological sample will be:

TRUEMAN BIOLOGY-APPLICATION OF BIOTECHNOLOGY -Multiple Choice Questions
  1. Bt toxin is not toxic to human beings as

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  2. Basic principle for developing transgenic plants and animals is to int...

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  3. In plant tissue culture, the callus tissues can be regenerated into co...

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  4. The first clinical gene therapy was given for treating :

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  5. Tobacco plants resistant to a nematode have been developed by the in...

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  6. In genetic engineering, the antibiotics are used

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  7. Gene encoding Bt protein specific for cotton bollworm is

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  8. RFLP analysis is a technique that

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  9. Which of the following pairs of microbes can be grown on nutrient medi...

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  10. First transgenic plant released for commercial use was

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  11. Which of the following Bt crops is being grown in India by the farmer...

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  12. The first human hormone produced by recombinant DNA technology is

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  13. The crops engineered for glyphosate are resistant/tolarant to

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  14. In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is con...

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  15. which body of the government of india regulates GM reserch and safety ...

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  16. The two polypeptides of human insulin are linked together by

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  17. Which part of the tabacco plant is infected by meloidogyne incognita?

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  18. Which kind of therapy was given in 1990 to a four year old girl with a...

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  19. A new variety of rice was patented by a foreign company, though such v...

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  20. In India organisation responsible for assessing the safety of introduc...

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