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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
What is '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.
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
Give two examples where micropropagation is commercially adopted
In the following questions/statements has four suggested answers. Rewrite the correct answer
Opening and closing of stomata is due to:
(A) Ca2+
(B) Na+
(C) K+
(D) Cl–
Why are xylem and phloem classified as complex tissues?
How can healthy potato plants be obtained from a desired potato variety which is viral infected? Explain.
What is a clone?
In plant tissue culture auxin is used for ____________.
The large number of genetically identical offsprings produced by micropropogation are called ____________.
To get a disease-free plant from a virus infected plant, which one of the following can be used as an explant in tissue culture?
Removal of ring wood of tissue outside the vascular cambium from the tree trunk kills it because ______.
Protoplast is ______.
To isolate protoplast, one needs ______.
Why are plants obtained by protoplast culture called somatic hybrids?
It is easier to culture plant cells in vitro as compared to animal cells. Why?
The pH of nutrient medium for plant tissue culture is in the range of ______.
Write a short note on callus culture.
