Cell Physiology Questions and Answers

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1 answer

In an experiment equal amounts of three different sugar solutions were placed in the risking tubings X, Y and Z. the tubings were placed in a beaker of water containing 5% sugar solution. The set up was left for two hours. The results were as shown in the diagram below.

asked Aug 6, 2021 in Biology Form 1 by anonymous

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2 answers

Give three characteristics of a cell membrane.

asked Jul 28, 2021 in Biology Form 1 by anony mous

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The table below shows the concentration of sodium and iodine ions in pond water and in the cell sap of water lettuce plant.

asked Jul 28, 2021 in Biology Form 1 by anonymous

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A plant stem was put in a solution. After 30 minutes a cell from the stem looked like the one drawn below;

asked Jul 28, 2021 in Biology Form 1 by anonymous

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Give one factor that affect the rate of enzyme activity.

asked Jul 28, 2021 in Biology Form 1 by anonymous

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Explain what you understand by the term diffusion gradient.

asked Jul 28, 2021 in Biology Form 1 by anonymous

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Name the process that involved in the uptake of mineral salts from the soil by the plants.

asked Jul 28, 2021 in Biology Form 1 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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The figure below represents a cell organelle found in the somatic cell of a certain organism.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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A plastic container fill of water was stoppered using a piece of stem obtained from a young maize plant whose bark had been peeled off. The next day it was noted that the stopper closed the container very tightly. Explain.

asked Jul 8, 2021 in Biology Form 1 by anonymous

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Explain why most plants growing in water-logged areas die before attaining maturity.

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

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State one structural difference between a cell wall and a cell membrane.

asked Jun 21, 2021 in Biology Form 1 by anonymous

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