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Why is vegetative propagation practised for growing some types of plants?

asked Dec 15, 2021 in How do Organisms Reproduce? by Doubtly (98.9k points)

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A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens?

asked Dec 15, 2021 in Light – Reflection and Refraction by Doubtly (98.9k points)

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A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is

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

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What is (a) the highest, (b) the lowest total resistance that can be secured by combinations of four coils of resistance

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

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What are the functions performed by the testis in human beings?

asked Dec 15, 2021 in How do Organisms Reproduce? by Doubtly (98.9k points)

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A long solenoid of radius R carries a time (t) dependent current I(t) = I0t(1 − t). A ring of radius 2R

asked Dec 17, 2021 in 2020 by Doubtly (98.9k points)

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The human eye forms the image of an object at its (a) cornea (b) iris (c) pupil (d) retina

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

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What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in seri

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

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How does phototropism occur in plants?

asked Dec 12, 2021 in Control and Coordination by Doubtly (98.9k points)

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C) Why do human settlements grow in specific locations only?

asked Sep 24, 2021 in Chapter 7: Human Settlements by Doubtly (98.9k points)

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How are the areas of study - evolution and classification - interlinked?

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

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A polarizer-analyzer set is adjusted such that the intensity of light coming out of the analyzer is just 10 % of the

asked Dec 17, 2021 in 2020 by Doubtly (98.9k points)

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What determines the rate at which energy is delivered by a current?

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

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What is meant by power of accommodation of the eye?

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

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How does the embryo get nourishment inside the mother's body?

asked Dec 15, 2021 in How do Organisms Reproduce? by Doubtly (98.9k points)

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Why is variation beneficial to the species but not necessarily for the individual?

asked Dec 15, 2021 in How do Organisms Reproduce? by Doubtly (98.9k points)

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Give an example of characteristics being used to determine how close two species are in evolutionary terms.

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

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Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and

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

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Can any source of energy be pollution-free? Why or why not?

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

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Where should an object be placed in front of a convex lens to get a real image of the size of the object?

asked Dec 15, 2021 in Light – Reflection and Refraction by Doubtly (98.9k points)

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