Recent questions in Biology Form 3

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1 answer

State one way by which HIV/AIDs is transmitted from mother to child.

asked Aug 19, 2021 in Biology Form 3 by anonymous

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Apart from AIDs, name one diseases of the reproductive system in man that is caused by viruses.

asked Aug 19, 2021 in Biology Form 3 by anonymous

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State two adaptations of fruits dispersed by wind.

asked Aug 19, 2021 in Biology Form 3 by anonymous

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State role of the following bacteria in the nitrogen cycle.

asked Aug 19, 2021 in Biology Form 3 by anonymous

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Study the figure below.

asked Aug 19, 2021 in Biology Form 3 by anonymous

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What is the role of water in germinating seeds?

asked Aug 19, 2021 in Biology Form 3 by anonymous

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A cow in a paddock was found to be infected with ticks. State the trophic level occupied by the cow and the tick

asked Aug 19, 2021 in Biology Form 3 by anonymous

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How do identical and fraternal twins arise?

asked Aug 19, 2021 in Biology Form 3 by anonymous

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name the kingdom to amoeba belongs. give two reasons for your answer

asked Aug 12, 2021 in Biology Form 3 by Lavecto

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Some plants have rolled leaves. Explain the importance of such leaves to the plant.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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The leaves of a plant exposed directly to sunlight are often thicker than leaves found in the shade. Suggest two reasons for this observation.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Briefly state the adaptations of plant leaves to a desert habitat.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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1 answer

In an experiment, germinating pea seeds were put in a retort flask which was placed in a beaker containing potassium hydroxide solution as shown in diagram A below. At the end of the experiment, the results were as shown in diagram B.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Use the diagram of the leaves below to construct dichotomous keys. Identify the steps you followed to identify leaves O, P, Q, R and S

asked Aug 6, 2021 in Biology Form 3 by anony mous

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The flow chart below shows a food web in a terrestrial ecosystem.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Construct a dichotomous key for the animals listed below. Part of the key has already been constructed. Bird, snake, Lizard, hyena.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Study the food web below representing a certain ecosystem and use it to answer the questions that follow.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Distinguish between ecological niche and habitat.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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State three characteristics that are used to divide phylum arthropoda into classes.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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Describe EIGHT factors that affect the rate of transpiration

asked Jul 28, 2021 in Biology Form 3 by anonymous

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