Blood plasma ; It is the fluid part of the blood, yellow in colour and it consist of plasma proteins ;
While a serum blood plasma from which plasma proteins have been removed ;
sharon kalunda answered the question on May 24, 2019 at 09:28
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Give two nitrogenous bases in a DNA molecule.
Date posted: May 24, 2019. Answers (1)
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(a) Name the term used for this arrangement.
(b) Explain...(Solved)
The diagram below illustrate the flow of blood and water within the respiratory surface in fish.
(a) Name the term used for this arrangement.
(b) Explain the significance of the arrangement.
Date posted: May 24, 2019. Answers (1)
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State three sites of gaseous exchange in mesophytes.
Date posted: May 24, 2019. Answers (1)
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a) (i) What changes are observable at the end of the experiment?
(ii) Give the reason the...(Solved)
The diagram below shows an experiment on germination peas.
a) (i) What changes are observable at the end of the experiment?
(ii) Give the reason the observation in a(i) above.
(b) If water had been used instead of caustic potash in the experiments, what would be observed?
Date posted: May 24, 2019. Answers (1)
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(a) Hand lens.
(b) Pair of forceps.(Solved)
State one use for each of the following apparatus in the study of living organisms.
(a) Hand lens.
(b) Pair of forceps.
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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Date posted: May 24, 2019. Answers (1)
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Describe the adaptations of wind pollinated flowers.
Date posted: May 24, 2019. Answers (1)
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a) Name the type of joint shown in the diagram.
b) Name the parts labelled...(Solved)
The diagram below represents one of the joints in the mammalian skeleton.
a) Name the type of joint shown in the diagram.
b) Name the parts labelled Z and U
c) Name two parts at the body where this type of joint is found.
d) State the functions of the fluid found in W.
e) Name the structure which attaches muscles to the bones at a joint.
Date posted: May 24, 2019. Answers (1)
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a) Name the structure labelled B
b) State the functions of the parts labelled A and C
c) Name the...(Solved)
The diagram below represent a seedling.
a) Name the structure labelled B
b) State the functions of the parts labelled A and C
c) Name the type of germination exhibited by the seedling.
d) State three conditions within the seed necessary for germination.
e) What is the importance of optimum temperature in seed germination ?
Date posted: May 24, 2019. Answers (1)
- The diagram below represents a transverse section of a young stem.
a) Name the parts labelled A and C on the diagram.
b) State the functions...(Solved)
The diagram below represents a transverse section of a young stem.
a) Name the parts labelled A and C on the diagram.
b) State the functions of the parts labelled B, D and E
c) List three differences between the section shown above and one that would be obtained from the
root of the same plant.
Date posted: May 24, 2019. Answers (1)
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State the function of goblet cells.
Date posted: May 24, 2019. Answers (1)
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a) i) Identify the structure drawn above.
ii) State the significance of the...(Solved)
The diagram below is a cross section through a part of human ileum.
a) i) Identify the structure drawn above.
ii) State the significance of the structure shown above.
b) Name the parts labelled A, B and C
c) Give the functions of the part labelled B and C.
Date posted: May 24, 2019. Answers (1)
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Give two reasons why Drosophila melanogaster (Fruit fly) are considered suitable organisms for
use in genetic experiments.
Date posted: May 24, 2019. Answers (1)
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Date posted: May 24, 2019. Answers (1)
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At what stage do chromatids separate during meiosis ?
Date posted: May 24, 2019. Answers (1)
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Akol observed and drew an amoeba using a light microscope. If the total magnification of the amoeba was X450 and that of the objective lens was X30. What was the magnification of the eyepiece lens ? Show your working.
Date posted: May 24, 2019. Answers (1)
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Describe an experiment to investigate the effects of unilateral source of light on growth of seedlings.
Date posted: May 24, 2019. Answers (1)
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seeds was placed at...(Solved)
In an experiment, 900 viable seeds of a certain plant species were divided into groups of 100 seeds each. Each group of
seeds was placed at different temperatures but same conditions of air and moisture. The percent germination was
determined after 10 days. The table below shows percent germination at the various temperatures.
a) Using a suitable scale, draw a graph of percent germination against temperature.
b) Account for percent germination at :
i) 50°
ii) 30°C
iii) 40°C
c) Explain the role played by each of the following factors in the germination of seeds.
i) Water.
ii) Air.
Date posted: May 24, 2019. Answers (1)