Recent questions without an upvoted answer

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1 answer

State and explain how respiratory surfaces are adapted for gaseous exchange.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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An experimental set-up shown below was used to investigate a certain process

asked Aug 6, 2021 in Biology Form 1 by anony mous

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Apart from having many features in common, state another characteristic of members of a Species.

asked Aug 6, 2021 in Biology Form 1 by anony mous

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The diagram below represents part of the nephron. Use it to answer the questions that follow.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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1 answer

Some students set-up the apparatus shown below to demonstrate the breathing mechanism in a mammal.

asked Aug 6, 2021 in Biology Form 2 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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The number of stomata on the lower and upper surfaces of two leaves from plant species x and y were counted under the field of view of a light microscope. The results were as shown below.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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The diagram below represents a certain plant.

asked Aug 6, 2021 in Biology Form 1 by anony mous

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Explain how temperature affects an enzyme controlled reaction.

asked Aug 6, 2021 in Biology Form 1 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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State the significance of the following adaptations in a leaf.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the processes by which food is transported in plants.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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1 answer

How are root hairs adapted to their function?

asked Aug 6, 2021 in Biology Form 2 by anony mous

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2 answers

Name three processes in the human body in which homeostasis is involved.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Explain why people who have blood group AB are called universal recipients.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the antigens that determine the human blood groups.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the causative agent of the diseases below

asked Aug 6, 2021 in Biology Form 2 by anony mous

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1 answer

How are leaves or submerged plants adapted for photosynthesis?

asked Aug 6, 2021 in Biology Form 1 by anony mous

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If a person who lives at a low altitude moves to a higher altitude, changes occur in his blood consumption. Name two of these changes.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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After respiration of a certain substrate 50cm3 of Carbon (IV) Oxide was produced and 70cm3 oxygen was used. Calculate the respiratory quotient of the substrate.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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