Recent questions without a selected answer

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The F.V. and T.V. of a line AB measures 50 mm and 60 mm respectively. The line is 70 mm long.

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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Draw a helix of pitch equal to 70 mm on a cylinder of 60 mm diameter

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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A wheel of 56 mm diameter rolls downwards on avertical wall for half revolution and then on the horizontal floor

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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Inner surface of mouth

asked Apr 21, 2022 in Chapter 17 Introduction to Biotechnology by Kaif

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Tissue joining two bones

asked Apr 21, 2022 in Chapter 17 Introduction to Biotechnology by Kaif

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Explain the structure, function and types of RNA.

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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Describe the structure of DNA molecule.

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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Explain Mendel’s dihybrid ratio with any one of the cross.

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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a) Explain Mendel’s monohybrid progeny with the help of any one cross.

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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Explain co-ordination in plants with the help of suitable examples.

asked Apr 14, 2022 in Chapter 15 Life Processes in Living Organisms by Doubtly (98.9k points)

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Explain chemical co-ordination in humans and give the names and functions of some hormones.

asked Apr 14, 2022 in Chapter 15 Life Processes in Living Organisms by Doubtly (98.9k points)

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1 answer 229 views

Write the uses of Anodizing

asked Apr 14, 2022 in Chapter 14 Substances in Common Use by Doubtly (98.9k points)

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1 answer 208 views

Write the names of the microbes found in the following food materials.

asked Apr 14, 2022 in Chapter 8 Useful and Harmful Microbes by Doubtly (98.9k points)

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Prepare an album of moncot and dicot seeds and display it in the classroom.

asked Apr 14, 2022 in Chapter 6 Classification of Plants by Doubtly (98.9k points)

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Collect more information about plant classification from the internet, prepare a talk of about 5 to 7 minutes

asked Apr 14, 2022 in Chapter 6 Classification of Plants by Doubtly (98.9k points)

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A boat requires 6 hrs to travel 36 km downstream and 24 km upstream. It requires 9 hrs to travel 48 km down