Get premium membership and access questions with answers, video lessons as well as revision papers.
-Walls are strengthened by deposition of lignin material to ensure they do not collapse
-Hollow and narrow lumen to acid capillarity
johnmulu answered the question on May 3, 2017 at 05:34
- Explain how the following contribute to the movement of water up the xylem vessels:(a) cohesion (b) adhesion(Solved)
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)
- Why are plants able to accumulate most of their waste products for long?(Solved)
Why are plants able to accumulate most of their waste products for long?
Date posted: May 3, 2017. Answers (1)
- 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. (Solved)
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.
![Biology5220813.jpg](/questions/uploads/Biology5220813.jpg)
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.
![Biology52201226.jpg](/questions/uploads/Biology52201226.jpg)
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
![Biology52201210.jpg](/questions/uploads/Biology52201210.jpg)
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.
![Biology52201246.jpg](/questions/uploads/Biology52201246.jpg)
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)
- State two ways in which the root hairs are adapted to their function (Solved)
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
![Biology52201257.jpg](/questions/uploads/Biology52201257.jpg)
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)
- A set up that was used to investigate certain process in plants is shown in the diagram below(Solved)
A set up that was used to investigate certain process in plants is shown in the diagram below
![Biology52201221.jpg](/questions/uploads/Biology52201221.jpg)
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
![Biology52201258.jpg](/questions/uploads/Biology52201258.jpg)
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.
![Biology52201209.jpg](/questions/uploads/Biology52201209.jpg)
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)
- Name two processes that bring about the translocation of manufactured food. (Solved)
Name two processes that bring about the translocation of manufactured food.
Date posted: May 2, 2017. Answers (1)
- State two ways in which xylem vessels are adapted to their function.(Solved)
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.
![Biology52201146.jpg](/questions/uploads/Biology52201146.jpg)
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)
- Name two structures used for gaseous exchange in plants. (Solved)
Name two structures used for gaseous exchange in plants.
Date posted: May 2, 2017. Answers (1)
- The diagram below represents a transverse section of a young stem
(Solved)
The diagram below represents a transverse section of a young stem
![Biology52201130.jpg](/questions/uploads/Biology52201130.jpg)
a) Name the parts labeled A and B.
b) State the function of the parts labeled C, D and E
Date posted: May 2, 2017. Answers (1)
- a) Name one salivary gland in humans
b) State two functions of saliva(Solved)
a) Name one salivary gland in humans
b) State two functions of saliva
Date posted: May 2, 2017. Answers (1)
- Give three factors that determine the amount of energy a human being requires in a day(Solved)
Give three factors that determine the amount of energy a human being requires in a day
Date posted: May 2, 2017. Answers (1)
- Describe the process of carbohydrate digestion in human beings (Solved)
(a) How is a human stomach adapted to (i) Protein digestion? (ii) Churning?
b) What happens to the glucose synthesize during photosynthesis?
Date posted: May 2, 2017. Answers (1)