A farmer was facing the problem of low yield from his farm. He was advise to keep a beehive in the vicinity. Why? How would the beehive help in enhancing yield?

Q: Name the methods employed in animal breeding. According to you which one of the methods is best? Why?

Define transformation in Griffith's experiment. Discuss how it helps in the identification of DNA as the genetic material.

We are told that evolution is a continuing phenomenon for all living things. Are humans also evolving? Justify your answer.

Q: In the medium where E. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?

Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problems. Justify the statement with an example.

Q: How is a cancerous cell different from a normal cell?

Q: Draw a well-labelled diagram of an antibody molecule.

What are the shortcomings of ecological pyramids in the study of ecosystem?

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 11: What is the source organism for ECORI, restriction endonuclease?....

What is the source organism for ECORI, r | Class 12 Biology Chapter Microbes in Human Welfare, Microbes in Human Welfare NCERT Solutions

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