Vascular bundles contain xylem and phloem. Xylem conducts water and mineral salts from the roots to the leaves. Phloem tissues translocate manufactured food, soluble and organic products of photosynthesis from the leaves to the growing regions/ rest of the plants.
johnmulu answered the question on May 1, 2017 at 07:05
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Date posted: May 1, 2017. Answers (1)
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b) Tissue that is removed when the bark of a dicotyledonous plant is ringed.(Solved)
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Date posted: May 1, 2017. Answers (1)
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Date posted: May 1, 2017. Answers (1)
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Date posted: May 1, 2017. Answers (1)
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b) What is meant by each of the following terms?
(Solved)
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II) Flaccid cell.
Date posted: May 1, 2017. Answers (1)
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The diagram below shows a set-up for an experiment to demonstrate a certain physiology process.
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b) Explain the observation made on the set-up after one hour.
Date posted: April 29, 2017. Answers (1)
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Date posted: April 29, 2017. Answers (1)
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Date posted: April 29, 2017. Answers (1)
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Date posted: April 29, 2017. Answers (1)
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Date posted: April 29, 2017. Answers (1)
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In an investigation, a student extracted three pars of pawpaw cylinders using a cork borer. The cylinders were cut back to 50mm lenth and placed in a beaker containing a solution. The results after 40 minutes were as shown in the table below.
a) Account for the results in the table above
b) What would be suitable control set-up for the investigation?
Date posted: April 29, 2017. Answers (1)
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The diagram s below shows an experiment set-up to investigate a certain process in a plant tissue.
Explain the results obtained after 30 minutes
Date posted: April 29, 2017. Answers (1)
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Date posted: April 29, 2017. Answers (1)
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Name the type of movement that occurs within a plant cell.
Date posted: April 29, 2017. Answers (1)
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i) Plants
ii) Animals(Solved)
a) Distinguish between diffusion and active transport
b) State one role that is played by osmosis in
i) Plants
ii) Animals
Date posted: April 29, 2017. Answers (1)
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The diagram below show a red blood cell that was subjected to a certain treatment
Account for shape of the cell at the end of the experiment
Date posted: April 28, 2017. Answers (1)
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Distinguish between diffusion and osmosis.
Date posted: April 28, 2017. Answers (1)
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An experiment was set up as shown below
The set up was left for 30 minutes.
a) State the expected results.
b) Explain your answer in (a) above
Date posted: April 28, 2017. Answers (1)
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Date posted: April 28, 2017. Answers (1)
- a) What is diffusion?
b) How do the following factors affect the rate of diffusion? (Solved)
a) What is diffusion?
b) How do the following factors affect the rate of diffusion?
i) Diffusion gradient
ii) Surface area to volume ratio
iii) Temperature
Date posted: April 28, 2017. Answers (1)