हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Name an organism that produces cry proteins. - Biology

Advertisements
Advertisements

प्रश्न

Name an organism that produces cry proteins.

अति संक्षिप्त उत्तर
Advertisements

उत्तर

Cry protein is produced by Bacillus thuringiensis (Bt). The genes that control its production are called cry genes, such as CryIAb, CryIAc, and CryIIAb. This bacterium produces the protein in the form of endotoxin in the protoxin crystalline state.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Biotechnology and Its Applications - NCERT EXERCISES WITH ANSWERS [पृष्ठ ५५६]

APPEARS IN

नूतन Biology [English] Class 12 ISC
अध्याय 14 Biotechnology and Its Applications
NCERT EXERCISES WITH ANSWERS | Q 4. b. | पृष्ठ ५५६

संबंधित प्रश्न

Describe any three potential applications of genetically modified plants.


How has the use of Agrobacterium as vectors helped in controlling Meloidegyne incognitia infestation in tobacco plants? Explain in correct sequence.


Answer the following question.
List any four ways by which GMOs have been useful for enhanced crop output.


GM crops especially Bt crops are known to have higher resistance to pest attacks. To substantiate this an experimental study was conducted in 4 different farmlands growing Bt and non Bt-Cotton crops. The farm lands had the same dimensions, fertility and were under similar climatic conditions. The histogram below shows the usage of pesticides on Bt crops and non-Bt crops in these farm lands.

  1. Which of the above 4 farm lands has successfully applied the concepts of Biotechnology to show better management practices and use of agrochemicals? If you had to cultivate, which crop would you prefer (Bt or Non- Bt) and why?
  2. Cotton Bollworms were introduced in another experimental study on the above farm lands wherein no pesticide was used. Explain what effect would a Bt and Non Bt crop have on the pest.

A cell swells up when kept in:


Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produces (in the host cells).


Golden Rice:

A. GM rice

B. Rich in Vit A

C. Prevents blindness

D. Bruise resistant


What are cry-proteins?


State any two benefits of Genetically modified crops.


How has man exploited cry proteins to his benefit?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×