a) E – Fused ulna and radius
F – Humerus;
G – Wings veins;
b) Hinge joint;
c) i) 1 and 3
ii) 1 and 2;
iii) The forelimbs of the two have five digits;
d) i) Structure reduced in size and are non-functional/rudimentary;
ii) Appendix; coccyx;
e) i) Endoskeleton;
ii) Exoskeleton;
sharon kalunda answered the question on September 17, 2019 at 07:04
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Photographs below represent specimen taken from three species of plants.
i) Describe the androecium in specimen N1
ii) Identify the class to which the specimen N1 and B belong. Give a reason in each case.
Specimen N1……
Reason…..
Specimen B
Reason……
iii) Suggest the agent of pollination of the specimens N1 and N2
iv) Give reasons for your answer in a (iii) above.
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Date posted: September 17, 2019. Answers (1)
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ii) Explain observations expected after 24hrs.
b) Before the experiment, the glucose was boiled the cooled.
i) Why was it necessary to boil the solution?
ii) What was the importance of the oil layer in the experiment?
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d) Suggest one industrial application of the process being investigated?
Date posted: September 17, 2019. Answers (1)
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a.(i) Calculate the mean glucose concentration 1mg/ml of blood at 60 and 180 minutes.
(ii) On the grid provided plot a graph of mean glucose concentration against time.
(iii) What was the mean concentration in the blood after 75 minutes?
(iv)Why was it necessary to use 3 rabbits in the experiment?
v) Account for differences in mean glucose concentration between initial time and 180 minutes.
(b) Name three products of digestion other than glucose
(c) What is the fate of excess glucose in:
(i) Plants?
(ii) Animals ?
Date posted: September 17, 2019. Answers (1)
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The diagram below represents a neurone.
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Suggest the possible habitat of the plants from the leaves were obtained
A
B
C
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Date posted: September 17, 2019. Answers (1)
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ii) State the congenital defect of the blood vessels resulting from prolonged...(Solved)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Examine the diagram below and answer the questions that follows.
A...............................
B................................
C.....................................
D....................................
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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B...........................
C...........................
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)
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Date posted: September 17, 2019. Answers (1)