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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Name two mineral elements that are necessary in the synthesis of chlorophyll
(Solved)
Name two mineral elements that are necessary in the synthesis of chlorophyll
Date posted:
May 1, 2017
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Answers (1)
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Name the: a) Material that strengthens xylem tissue.
b) Tissue that is removed when the bark of a dicotyledonous plant is ringed.
(Solved)
Name the: a) Material that strengthens xylem tissue.
b) Tissue that is removed when the bark of a dicotyledonous plant is ringed.
Date posted:
May 1, 2017
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Answers (1)
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State the role of light in photosynthesis
(Solved)
State the role of light in photosynthesis
Date posted:
May 1, 2017
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Answers (1)
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The diagram below shows a set-up for an experiment to demonstrate a certain physiology process.
(Solved)
The diagram below shows a set-up for an experiment to demonstrate a certain physiology process.
a) What nature of solution is represented by 20% sugar solution?
b) Explain the observation made on the set-up after one hour.
Date posted:
April 29, 2017
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Answers (1)
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State three factors that affect the rate of diffusion
(Solved)
State three factors that affect the rate of diffusion
Date posted:
April 29, 2017
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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.
(Solved)
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
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Answers (1)
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The diagram s below shows an experiment set-up to investigate a certain process in a plant tissue.
(Solved)
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
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Answers (1)
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Distinguish between haemolysis and plasmolysis.
(Solved)
Distinguish between haemolysis and plasmolysis.
Date posted:
April 29, 2017
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Answers (1)
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The diagram below show a red blood cell that was subjected to a certain treatment
(Solved)
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
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Answers (1)
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An experiment was set up as shown below
(Solved)
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
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Answers (1)
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State the importance of osmosis in plant
(Solved)
State the importance of osmosis in plant
Date posted:
April 28, 2017
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Answers (1)
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Why is oxygen important in the process of active transport in cells?
(Solved)
Why is oxygen important in the process of active transport in cells?
Date posted:
April 28, 2017
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Answers (2)
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A student drew a 6 cm long diagram of a plant flower. If the actual length of the flower was 12 cm, calculate the magnification of the drawing made by the student. Show your working
(Solved)
A student drew a 6 cm long diagram of a plant flower. If the actual length of the flower was 12 cm, calculate the magnification of the drawing made by the student. Show your working
Date posted:
April 28, 2017
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Answers (1)
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The figure below is a fine structure of a generalized animal cell as seen under an electron microscope.
(Solved)
The figure below is a fine structure of a generalized animal cell as seen under an electron microscope.
a) Name the parts labeled A and B.
b) How the is structure labeled B adapted to its function?
Date posted:
April 28, 2017
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Answers (1)
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Give reasons for carrying out the following procedures when preparing temporary wet mounts of plant tissues
(Solved)
Give reasons for carrying out the following procedures when preparing temporary wet mounts of plant tissues
a) Making thin plant sections.
b) Adding water on the plant section.
c) Placing a cover slip over the plant section.
Date posted:
April 28, 2017
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Answers (2)
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Plant cells do not burst when immersed in distilled water. Explain
(Solved)
Plant cells do not burst when immersed in distilled water. Explain
Date posted:
April 27, 2017
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Answers (1)
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What is the formula for calculating linear magnification of a specimen when using a hand lens
(Solved)
a) What is the formula for calculating linear magnification of a specimen when using a hand lens
b) Give a reason why staining is necessary when preparing specimens for observation under the microscope.
Date posted:
April 27, 2017
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Answers (1)
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Which organelle would be abundant in:Skeletal muscle cell, Palisade cell
(Solved)
Which organelle would be abundant in:
Skeletal muscle cell
Palisade cell
Date posted:
April 27, 2017
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Answers (1)
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How does nutrition as a characteristic of living organisms differ in plants and animals?
(Solved)
How does nutrition as a characteristic of living organisms differ in plants and animals?
Date posted:
April 27, 2017
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Answers (1)
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Motor vehicles move, use energy and produce carbon dioxide and water. Similar characteristics occurs in living organisms yet motor vehicles are not classified as living Explain.
(Solved)
Motor vehicles move, use energy and produce carbon dioxide and water. Similar characteristics occurs in living organisms yet motor vehicles are not classified as living Explain.
Date posted:
April 27, 2017
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Answers (1)