Each of the following statements is wrong. Rewrite them correctly by changing either one or two words:
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Identify the odd word and explain why it is odd
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Write the names of the following tissues:
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Write the differences: Simple tissue and complex tissues in plants
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Write short notes:
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Explain the meaning of biotechnology and its impact on agricultural management with suitable examples.
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Which two main techniques are used in biotechnology? Why?
Biotechnology includes the techniques of genetic engineering and tissue culture.
Ex vivo growth of cells or tissues in an aseptic and nutrient-rich medium is called tissue culture.
Tissue culture can be used to grow those plants on a large scale, which bear flowers, fruits of excellent quality.
Plants produced by tissue culture and genetic modification techniques are disease-free and pest resistant.
It has thus become possible to produce sufficient food grains for our huge population.
It has helped to increase the ability of plants to with stand environmental stresses.
Vaccine production, early diagnosis of congenital diseases, organ transplant, cancer research, production of artificial skin, cartilage, etc. in laboratories has become possible.
Discuss ‘Agritourism’ in the class and write a project on an agrotourism centre nearby. Present it in the class in groups.
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Define the term tissue and explain the concept of tissue culture.
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‘Rearing of sheep is a livestock’. Justify this statement.