Recent questions in Biology Form 3

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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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Give THREE types transpiration

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Define transpiration

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Describe how the human male reproductive system is adapted to perform its function

asked Jul 28, 2021 in Biology Form 3 by anonymous

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A group of students carried out a study of the population growth of flour weevils. They put16grams and 64 grams of maize flour into two equal boxes K and L respectively. They then introduced equal numbers of weevils into the boxes. The boxes were kept under similar environmental conditions. The weevils were counted at intervals and the results recorded in the table below.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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The diagram below represents human foetus in a uterus.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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What is meant by the term oxygen debt?

asked Jul 28, 2021 in Biology Form 3 by anonymous

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What would be the fate of pyruvic acid if oxygen supply is availed in the mitochondria of an animal cell

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Name one other cause of water pollution apart from oil spills.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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How does oil spills lead to death of fish.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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The diagram below represents a feeding relationship in an ecosystem.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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To establish the population of tilapia using the capture method, 60 fish were captured and released. In the second capture out of 72 fish, 10 had been marked. Calculate the estimated population of tilapia. (show your working)

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Name the causative agent of the following diseases in man.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Differentiate between hypogeal and epigeal germination in seeds.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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Name a growth inhibitor in seed.

asked Jul 28, 2021 in Biology Form 3 by anonymous

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What is seed dormancy?

asked Jul 28, 2021 in Biology Form 3 by anonymous

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