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प्रश्न
Explain the concept of tissue culture.
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उत्तर
- ‘Ex vivo growth of cells or tissues in an aseptic and nutrient-rich medium’ is called tissue culture.
- Nowadays, a complete organism can be developed from a single cell or from tissue with help of the tissue culture technique.
- A liquid, solid or gel-like medium prepared from agar, which supplies nutrients and energy necessary for tissue culture is used in this technique.
- Its uses are in the production of cash crops, improvement in varieties of cash crops, increase in abilities of plants to withstand environmental stresses, vaccine production, early diagnosis of congenital diseases, organ transplant, cancer research, production of artificial skin, cartilage, etc. in laboratories.
Various processes in tissue-culture
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संबंधित प्रश्न
Describe the methodology of tissue culture.
Why are the plants raised through micropropagation are termed as somaclones?
Name the technology that has helped scientists to propagate on a large scale the desired crops in a short duration. List the steps carried out to propagate the crops by the said technique.
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Differentiate between somaclones and somatic hybrids. Give one example of each.
With advancements in genetics, molecular biology and tissue culture, new traits have been incorporated into crop plants. Explain the main steps in breeding a new genetic variety of a crop
Mention two advantages of the micropropagation technique.
Give three anatomical differences between a monocot root and a dicot root
Explain the transpiration pull theory for an ascent of sap
Describe the structure of phloem.
How can healthy potato plants be obtained from a desired potato variety which is viral infected? Explain.
In plant tissue culture auxin is used for ____________.
From the following statements which is NOT correct?
Identify labels P, Q, R in the given figure of root showing different regions.
Which of the following method is NOT used for crop improvement?
Callus is ______.
It is easier to culture plant cells in vitro as compared to animal cells. Why?
Write a short note on callus culture.
