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Why is DNA copying an essential part of the process of reproduction?

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

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The magnetic field in a given region is uniform. Draw a diagram to represent it.

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

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Which one of the following minerals is contained in the Monazite sand? (a) oil (b) uranium (c) thorium (d) coal

asked Dec 23, 2021 in Chapter 5 Minerals and Energy Resources by Doubtly (98.9k points)

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Name the following A. Alkali metal with smallest atom.

asked Nov 22, 2021 in Chapter 8: Elements of Group 1 and 2 by Doubtly (98.9k points)

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The land under cultivation has got reduced day by day. Can you imagine its consequences?

asked Dec 17, 2021 in Chapter 4 Agriculture by Doubtly (98.9k points)

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Under which of the following type of resource can tidal energy be put? (a) Replenishable (b) Human-made (c) Abiotic

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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Compare the advantages and disadvantages of multi-purpose river projects.

asked Dec 17, 2021 in Chapter 3 Water Resources by Doubtly (98.9k points)

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Which one of the following is a rabi crop? (a) Rice (b) Gram (c) Millets (d) Cotton

asked Dec 17, 2021 in Chapter 4 Agriculture by Doubtly (98.9k points)

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Discuss how rainwater harvesting in semi-arid regions of Rajasthan is carried out.

asked Dec 17, 2021 in Chapter 3 Water Resources by Doubtly (98.9k points)

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An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm.

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

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An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm.

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

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How to write math formulas while asking the question on This Website ?

asked Dec 16, 2021 in other by Doubtly (98.9k points)

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Name three states having black soil and the crop which is mainly grown in it.

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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How will an organism be benefited if it reproduces through spores?

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

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Use the data in Table 12.2 to answer the following - Table 12.2 Electrical resistivity of some substances at 20°C

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

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A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it

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

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Name one staple crop of India and the regions where it is produced.

asked Dec 17, 2021 in Chapter 4 Agriculture by Doubtly (98.9k points)

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In Activity 13.7 (page: 230), how do we think the displacement of rod AB will be affected if (i) current in rod AB

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

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In which one of the following states is terrace cultivation practised? (a) Punjab (b) Plains of Uttar Pradesh

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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Match the following animals with their category of existence. Animals/Plants Category of existence

asked Dec 17, 2021 in Chapter 2 Forest and Wildlife Resources by Doubtly (98.9k points)

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