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Why are traits acquired during the life-time of an individual not inherited?

asked Dec 15, 2021 in Heredity and Evolution by Doubtly (98.9k points)

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What is the role of the split ring in an electric motor?

asked Dec 12, 2021 in Magnetic Effects of Electric Current by Doubtly (98.9k points)

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What does an electric circuit mean?

asked Dec 14, 2021 in Electricity by Doubtly (98.9k points)

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What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers

asked Dec 12, 2021 in Sources of Energy by Doubtly (98.9k points)

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Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.

asked Dec 12, 2021 in Sources of Energy by Doubtly (98.9k points)

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What will happen if we kill all the organisms in one trophic level?

asked Dec 12, 2021 in Our Environment by Doubtly (98.9k points)

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Can you suggest some changes in your school which would make it environment-friendly?

asked Dec 12, 2021 in Sustainable Management of Natural Resources by Doubtly (98.9k points)

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How are the lungs designed in human beings to maximize the area for exchange of gases?

asked Dec 9, 2021 in Life Processes by Doubtly (98.9k points)

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Outline a project which aims to find the dominant coat colour in dogs.

asked Dec 15, 2021 in Heredity and Evolution by Doubtly (98.9k points)

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A man with blood group A marries a woman with blood group O and their daughter has blood group O.

asked Dec 15, 2021 in Heredity and Evolution by Doubtly (98.9k points)

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Give any two ways in which non-biodegradable substances would affect the environment.

asked Dec 12, 2021 in Our Environment by Doubtly (98.9k points)

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Give any two ways in which biodegradable substances would affect the environment.

asked Dec 12, 2021 in Our Environment by Doubtly (98.9k points)

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At the time of short circuit, the current in the circuit (a) reduces substantially

asked Dec 12, 2021 in Magnetic Effects of Electric Current by Doubtly (98.9k points)

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How is the amount of urine produced regulated?

asked Dec 11, 2021 in Life Processes by Doubtly (98.9k points)

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What are the limitations of extracting energy from - (a) the wind? (b) waves? (c) tides?

asked Dec 12, 2021 in Sources of Energy by Doubtly (98.9k points)

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In evolutionary terms, we have more in common with (a) a Chinese school-boy. (b) a chimpanzee. (c) a spider.

asked Dec 15, 2021 in Heredity and Evolution by Doubtly (98.9k points)

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Compute the heat generated while transferring 96000 coulomb of charge in one hour through a potential difference of 50 V

asked Dec 14, 2021 in Electricity by Doubtly (98.9k points)

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Only variations that confer an advantage to an individual organism will survive in a population.

asked Dec 15, 2021 in Heredity and Evolution by Doubtly (98.9k points)

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A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective

asked Dec 14, 2021 in Human Eye and Colourful World by Doubtly (98.9k points)

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1 answer 404 views

State the principle of an electric generator.

asked Dec 12, 2021 in Magnetic Effects of Electric Current by Doubtly (98.9k points)

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