Carbon (IV) oxide diffuses into tracheoles, follows the trachea and gets out through Spiracles.
johnmulu answered the question on May 3, 2017 at 06:24
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State two ways by which Acquired Immuno deficiency syndrome (AIDS) virus is transmitted.
Date posted: May 3, 2017. Answers (1)
- The diagram below shows a transverse section of a plant organ. (Solved)
The diagram below shows a transverse section of a plant organ.
a) Name the plant organ from which the section was obtained.
b) i) Name the class to which the plant organ was obtained.
ii) Give a reason for your answer in (b)(i) above
Date posted: May 3, 2017. Answers (1)
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Why are the plants able to accumulate most of their waste products for long?
Date posted: May 3, 2017. Answers (1)
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Below is an illustration of a cross section of a plant showing the transportation of substances in the plant
a) Name the substances transported along the paths labeled K and L.
b) Give a reason for your answer in L above.
Date posted: May 3, 2017. Answers (1)
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State one adaptation of xylem vessels to their function.
Date posted: May 3, 2017. Answers (1)
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Explain how the following contribute to the movement of water up the xylem vessels:
(a) cohesion
(b) adhesion
Date posted: May 3, 2017. Answers (1)
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Why are plants able to accumulate most of their waste products for long?
Date posted: May 3, 2017. Answers (1)
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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 in the table below.
a) Which of the two leaves would be expected to have a lower rate of transpiration?
b) Give a reason for your answer in (a) above
Date posted: May 3, 2017. Answers (1)
- The diagram below shows a transverse section of a plant organ. (Solved)
The diagram below shows a transverse section of a plant organ.
a) Name the plant organ from which the section was obtained.
b) i) Name the class to which the plant organ was obtained
ii) Give a reason for your answer in (b)(i) above.
c) Name the part labeled X.
Date posted: May 2, 2017. Answers (1)
- The diagram below shows a section through a plant organ (Solved)
The diagram below shows a section through a plant organ
a) i) Name the class of the plant which the section was obtained
ii) Give a reason for your answer in (a)(i) above
b) State the functions of the part labeled F.
Date posted: May 2, 2017. Answers (1)
- Name the tissue in plants responsible for:
a) Transport of water and mineral salts
b) Transport of carbohydrates
c) Primary growth (Solved)
Name the tissue in plants responsible for:
a) Transport of water and mineral salts
b) Transport of carbohydrates
c) Primary growth
Date posted: May 2, 2017. Answers (1)
- The diagram below represents a plant tissue. (Solved)
The diagram below represents a plant tissue.
a) Name the tissue.
b) Name the cell labeled K and L.
c) What is the function of the compound cell?
Date posted: May 2, 2017. Answers (1)
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State two ways in which the root hairs are adapted to their function.
Date posted: May 2, 2017. Answers (1)
- The diagram below represents a traverse section through a plant organ(Solved)
The diagram below represents a traverse section through a plant organ
a) From which plant organ was the section obtained
b) Give two reasons for your answer in (a) above.
c) Name the part labeled J, K and L.
d) State two functions of the parts labeled
Date posted: May 2, 2017. Answers (1)
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A set up that was used to investigate certain process in plants is shown in the diagram below
a) What process was being investigated?
b) State three environmental factors that influence the process under investigation.
Date posted: May 2, 2017. Answers (1)
- The diagram below represents regions of a root tip(Solved)
The diagram below represents regions of a root tip
a) Name the two regions above X in ascending order.
b) State the function of the part labeled X
Date posted: May 2, 2017. Answers (1)
- The diagram below represents part of phloem tissue.(Solved)
The diagram below represents part of phloem tissue.
a) Name the structure labeled R and S and the cell labeled T.
b) State the function of the structure labeled S.
c) Explain why xylem is a mechanical tissue.
Date posted: May 2, 2017. Answers (1)
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Name two processes that bring about the translocation of manufactured food.
Date posted: May 2, 2017. Answers (1)
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State two ways in which xylem vessels are adapted to their function.
Date posted: May 2, 2017. Answers (1)
- The diagram below represents the pathways of water from the soil into the plant.(Solved)
The diagram below represents the pathways of water from the soil into the plant.
a) Name the structures labeled K and L.
b) Name the process by which minerals salts enter into the plant.
Date posted: May 2, 2017. Answers (1)