Advertisements
Advertisements
प्रश्न
Explain the concept of tissue culture.
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
APPEARS IN
संबंधित प्रश्न
Write the two limitations of traditional breeding technique that led to the promotion of micropropagation.
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.
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
Explain micropropagation and somatic hybridization.
Mention two advantages of micro propagation.
Attempt any TWO of the following:
Enlist the applications of tissue culture.
Describe any ‘two’ applications of tissue culture technique.
Name the technique and the property of plant cells that can help to grow somaclones of certain desired varieties of apple. Explain how somaclones of apple can be obtained in the lab so as to get the desired variety on a large scale.
The large number of genetically identical offsprings produced by micropropogation are called ____________.
Which of the following helps bamboo and grasses to elongate?
Micro-propagation is ______.
To isolate protoplast, one needs ______.
Why are plants obtained by protoplast culture called somatic hybrids?
The culture medium (nutrient medium) can be referred to as a ‘highly enriched laboratory soil. Justify the statement.
“Give me a living cell of any plant and I will give you a thousand plants of the same type” Is this only a slogan or is it scientifically possible? Write your comments and justify them.
Plants raised through tissue cultures are clones of the ‘parent’ plant. Discuss the utility of these plants.
Discuss how the property of plant cell totipotency has been utilised for plant propagation and improvement
What does the plant tissue culture medium consists of?
