Recent questions without a selected answer

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Use the diagram below to answer the questions that follow;

asked Jul 8, 2021 in Biology Form 3 by anonymous

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The diagram below shows two fused bones of a mammal.

asked Jul 8, 2021 in Biology Form 4 by anonymous

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What would happen if a plant cell is placed in a hypotonic solution

asked Jul 8, 2021 in Biology Form 1 by anonymous

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Give two roles of osmosis in animals.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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State three factors that increase the rate of active transport.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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What is active transport?

asked Jul 8, 2021 in Biology Form 1 by anonymous

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A human gene which is Y-linked controls premature baldness. One allele leads to normal hair pattern while the other produces premature baldness

asked Jul 8, 2021 in Biology Form 4 by anonymous

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The diagram below illustrates an experimental set up to compare relative amounts of a gas in inhaled air and exhaled air.

asked Jul 8, 2021 in Biology Form 2 by anonymous

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State two functions of the cuticle in insects.

asked Jul 8, 2021 in Biology Form 3 by anonymous

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State two adaptations that enable birds to fly.

asked Jul 8, 2021 in Biology Form 4 by anonymous

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The diagram below illustrates the variation in atmospheric temperature in the course of a day and the body temperature of two animals A and B. Study it and answer the questions that follow.

asked Jul 8, 2021 in Biology Form 3 by anonymous

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A form four student was found to have blood group AB+.

asked Jul 8, 2021 in Biology Form 2 by anonymous

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Explain comparative serology as an evidence of evolution.

asked Jul 8, 2021 in Biology Form 4 by anonymous

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The following diagrams represent different animal structures.

asked Jul 8, 2021 in Biology Form 4 by anonymous

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State the functions of lymph nodes.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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State two ways in which the skeletal muscle fibres are adapted to their function.

asked Jul 8, 2021 in Biology Form 4 by anonymous

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The diagram below shows section through the flower of a certain plant.

asked Jul 8, 2021 in Biology Form 3 by anonymous

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Wet cotton wool was put in two flasks M and N. Soaked seeds are added to M and an equal number of boiled seeds to N. Both groups of seeds were first soaked in sodium hypochlorite solution before being put in the flasks. The flasks were securely corked and left in the same conditions of light and temperature for ten days. The cork from each flask was removed and each tilted over a test-tube of calcium hydroxide solution as shown in T.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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Short-horned grasshopper moults five times before reaching adult size. Draw the kind of growth curve you would expect for the grasshopper if the changes in its length are plotted against time.

asked Jul 8, 2021 in Biology Form 3 by anonymous

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The figure below shows the change in the concentration of various substances in a river following the discharge of untreated sewage into it.

asked Jul 8, 2021 in Biology Form 3 by anonymous

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