Recent questions without a selected answer

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State the meaning of the term matter

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Figure 14 shows a setup that can be used to determine the specific latent heat of vaporisation of water. A beaker containing some water was placed on a weighing balance and an immersion heater rated 500 W immersed in the water.

asked Jun 21, 2021 in Physics Form 3 by anonymous

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The illustration below shows the effect of hormones on insect growth and development.

asked Jun 21, 2021 in Biology Form 3 by anony mous

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Figure 13 shows a pulley system used to raise a mass of 5 kg through a height of 2 m when a force of 60N is applied. (Acceleration due to gravity g is 10ms-2)

asked Jun 21, 2021 in Physics Form 2 by anonymous

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Explain the role of blood capillaries in thermoregulation.

asked Jun 21, 2021 in Biology Form 2 by anony mous

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Figure 12 shows a simple machine.

asked Jun 21, 2021 in Physics Form 2 by anonymous

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Define the term "field of view" as used in microscopy.

asked Jun 21, 2021 in Biology Form 1 by anony mous

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State two reasons why females with Turners' Syndrome are infertile.

asked Jun 21, 2021 in Biology Form 4 by anony mous

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Explain the biological significance of completing a dose of antibiotics.

asked Jun 21, 2021 in Biology Form 4 by anony mous

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A fixed mass of gas initially at 20°C is heated at constant pressure until its volume doubles. Determine its final temperature.

asked Jun 21, 2021 in Physics Form 3 by anonymous

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The graph below illustrates the effect of pH on certain protcin-digesting enzymes, S and T.

asked Jun 21, 2021 in Biology Form 3 by anony mous

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Figure 11 shows a setup that can be used to verify Charles' Law.

asked Jun 21, 2021 in Physics Form 3 by anonymous

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During a clinical laboratory test, some sugar was detected in an individual's sample of urine Name:

asked Jun 21, 2021 in Biology Form 1 by anony mous

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Figure 10 shows a test-tube inverted and floating inside a plastie bottle containing some water. The bottle is then sealed.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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State two reasons why blood reaching the glomerulus is always under high pressure.

asked Jun 21, 2021 in Biology Form 2 by anony mous

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Figure 9 shows a setup used by a student to investigate how a siphon works.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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The illustration below shows a summary of the main phases of the human menstrual cycle.

asked Jun 21, 2021 in Biology Form 3 by anony mous

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Figure 8 shows a bucket filled with water and tied to one end of a string which is used to whirl it in a vertical circular path with a uniform speed v.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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1 answer

State two limitations of using fossil records in retracing evolutionary history of living organisms.

asked Jun 21, 2021 in Biology Form 4 by anony mous

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An object placed on the surface of water in a beaker starts to sink immediately. It is observed that it stops sinking when half of its volume is below the water surface. State the reason for this observation.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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