What is Plant Tissue Culture? Plant tissue culture is a technique of growing plant cell, plant tissue, or plant organs in an artificial nutrient medium under aseptic condition. It is one of the fastest methods of growing plantlets in a very short period of time. When many plantlets are grown using a tissue culture technique, […]
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What is Gene Cloning? What do you mean by gene cloning? Gene means a segment of DNA that expresses for a particular protein. And cloning means making multiple copies. So, gene cloning means a technique used for making multiple copies of a gene. If we use PCR (Polymerase Chain Reaction) method for cloning genes then
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What is Northern Blotting? Northern blotting technique in molecular biology is used to detect RNA in a cell. We can also say that to analyze the gene expression in a cell – Northern blotting technique is used. What do we mean by gene expression? As we know that a cell contains nucleus and inside the
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What is Southern Blotting? What is Southern Blotting? Why and how it is done? First of all, we need to understand the word “Southern” – well, this word has come after the name of the scientist Edward M Southern who first developed this Southern Blotting technique at Edinburgh University, United Kingdom in the 1970s. Now,
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Q1. Which of the following factors contributed to green revolution? Ans: 3 Q2. Which of the following are the advantages of GM plants? Ans: 5 Q3. Golden rice is genetically modified rice, which is enriched in: Ans: 2 Q4. Agrobacterium tumifaciens cause crown gall in: Ans: 1 Q5. Which of the following is true for
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The applications of biotechnology include: Q1. Which of the following factors contributed to green revolution? Ans: 3 The second time, food production was increased by organic farming i.e., by the use of manures, biofertilizers, biopesticides, etc. The third time, or in the recent time, the food production has been increased by the use of genetically
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Q1. Which of the following technology comes under classical / traditional biotechnology? Ans: 4 Q2. Which of the following technology does not come under modern biotechnology? Ans: 4 Q3. The EFB stands for: Ans: 1 The EFB is located in Spain. Q4. Which of the following comes under modern biotechnology? Ans: 4 Q5. Which of
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MEANING OF BIOTECHNOLOGY In this section, I’m going to discuss the chapter 11 of NCERT class XII i.e., BIOTECHNOLOGY: PRINCIPLES AND PROCESSES (PAGE-192-205). This is a very important chapter from the examination point of view. I will make this chapter very simple and easy to understand. When you read the NCERT book, the content
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(C) RECOMBINANT DNA TECHNOLOGY (A) ISOLATION OF DNA: What could be the source of the genetic material to be used in the genetic engineering / recombinant DNA technology? Well, we can extract DNA from various sources such as plant cells, animal cells, bacterial cells and fungal cells, to name only a few. Now, since DNA
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