NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF EDUCATION
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: SED835 (3 Units)
COURSE TITLE: LABORATORY DESIGN AND MANAGEMENT
TIME: 3 HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS. EACH QUESTION
CARRIES EQUAL MARKS.
1. (a) List TEN materials an effective preparatory room should contain. (10 marks)
(b) Explain FOUR constraints regarding the use of computers in a science laboratory (8 marks)
2. (a) Discuss FIVE causes of accidents in the laboratory (10 marks)
(b) Enumerate FOUR preventive measures against accidents in the laboratory (8 marks)
3. (a) Explain FIVE methods you could employ to dispose chemical wastes from a science laboratory (10 marks)
(b) Briefly discuss FOUR responsibilities of the Head of Science Department in your school. (8 marks)
4. (a) Working in a science laboratory often expose learners and teachers to many hazards. Discuss any SIX classes of hazardous chemicals in the school laboratory. (12 marks)
(b) Mention THREE identification colours of laboratory chemicals and their corresponding nature of the substance (6 marks)
5. Research report writing on laboratory safety and hazards are contained in various documents in the library. Discuss NINE steps that would helpyou as a science teacher to prepare such a report. (18 marks)
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