Question 1(a) The diagrams below represent the stages in the life cycle of a mosquito
(a) The diagrams below represent the stages in the life cycle of a mosquito
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Study the diagrams carefully and answer the questions that follow
2014 bece integrated science
(i) Name each of the stages labeled I, II, III and IV
(ii) State how stage II obtains oxygen
(iii) State two methods of controlling each of the stages labeled III and IV
(b) The diagrams below are different laboratory set-ups used in the separation of mixtures.
Study the diagrams carefully and answer the questions that follow
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(i) Name each of the parts labeled I, II, III, IV and V.
(ii) Name the separation method represented by each diagram.
(iii) Which of the set-ups is used to obtain clear water from muddy water?
(iv) Which of the set-ups is used to obtain salt from salt solution?
(c) The diagrams below show some instruments used in the laboratory.
Study the diagrams carefully and answer the questions that follow
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(i) Identify each of the instruments labeled I, II, III, IV and V
(ii) State one use of each of the instruments labeled I, II, III and IV
(iii) Read and record the volume of the liquid in the instrument labeled V
(d) The diagram below shows the digestive system of a class of farm animals.
Study the diagrams carefully and answer the questions that follow
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(i) Name each of the parts labeled I, II, III and IV
(ii) State one function each of the parts labeled II and IV
(iii) Name two farm animals that possess this type of digestive system.
(iv) Mention two diseases which affect this class of farm animals.
Theory