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a) i) Active transport;
ii) Sugars and some mineral salts reabsorption at the nephron tubule/kidney;
Absorption of digested food at the small intestines;
Accumulation of substances into the body to offset osmotic imbalance in arid and saline environments;
Impulse transmission along the neurones;
b) Increase oxygen concentrations;
Increase temperature;
c) Cell membrane;
sharon kalunda answered the question on May 24, 2019 at 12:41
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a) i) State the result of P and...(Solved)
The diagram below represents growing seedling which were subjected to unilateral light at the beginning of an experiment.
a) i) State the result of P and R.
ii) Account for your answer in (a) (i) above.
b) (i) If the apical bud of seedling P was removed, what results would be expected after 5 days.
ii) Explain your observation in (b) (i) above.
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Date posted: May 24, 2019. Answers (1)
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a) i) What name is given to this diagram.
ii) Name the organism with the...(Solved)
Study the diagram below and use it to answer the questions below.
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ii) Name the organism with the largest biomass.
iii) Name the organism with the largest number of prey .
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Date posted: May 24, 2019. Answers (1)
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flowered.
a) Using letter R to represent the...(Solved)
When pure breeding red flowered plants were crossed with pure breeding white flowered plant, the offspring were all pink
flowered.
a) Using letter R to represent the gene for red coloured flower plants and W for the gene for the white flowered plants.
Workout the genotypic ratio of F2 generation.
b) State the phenotypic ratio of F2 generation.
c) i) What is the name given to a condition when two alleles in heterozygon state contribute equally to the phenotype of an
organizations.
ii) Give an example of a trait in human beings where the above condition in c(i) above express itself.
Date posted: May 24, 2019. Answers (1)
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hour.
a) What was the aim of...(Solved)
A student setup the following apparatus to investigate a physiological process in animals. The set-ups were then left for one
hour.
a) What was the aim of the experiment?
b) i) What observation was made in:
Tube A
Tube B
ii) Account for the change that occurs in Tube A.
c) State the role of Tube B in the above experiment.
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Date posted: May 24, 2019. Answers (1)
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Date posted: May 24, 2019. Answers (1)
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a) Suggest the observations made after 20 minutes.
b) Explain the observations.(Solved)
An experiment was set up as shown below.
a) Suggest the observations made after 20 minutes.
b) Explain the observations.
Date posted: May 24, 2019. Answers (1)
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a) State the function of the organelle drawn above.
b) Name the parts of the organelle where:
i) Oxygen gas...(Solved)
Below is a diagram of an organelle.
a) State the function of the organelle drawn above.
b) Name the parts of the organelle where:
i) Oxygen gas is produced as a by-product
ii) Carbon (IV) oxide is utilized.
Date posted: May 24, 2019. Answers (1)
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a) Name the type of tooth shown.
b) Give a reason for your answer in (a) above....(Solved)
The diagram below represents a section through a human tooth.
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Date posted: May 24, 2019. Answers (1)
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Date posted: May 24, 2019. Answers (1)
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Date posted: May 24, 2019. Answers (1)
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a) Identify C and D
b) Describe structural difference between the two components.(Solved)
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Date posted: May 24, 2019. Answers (1)