Mwalimu Makoba

Duration: 3 Hours Year: 2025 Instructions This paper consists of seven (7) questions. Answer a total of five (5) questions. Question one (1) is compulsory. Each question carries twenty (20) marks. All writing should be in blue or black ink. Communication devices and any unauthorised materials are not allowed in the examination room. Write your Examination Number on every page of your answer booklet(s). Answer five (5) questions. Question 1 (one) is compulsory. 1.  The post-colonial economic challenges to development in Tanzania resulted from colonial economic policies. Justify this statement by giving six points. Post economic challenges to development in Tanzania resulted from colonial economic policies: What were the colonial economic policies and how they caused challenge to development? Colonial economic policies in Tanzania were based on exploitation , where natural resources were extracted and exported without industrial development. This left the country without a strong in...

Chapter Two: Scientific Processes in Biology Biology laboratory is a special room or building designed for carrying out biological experiments. A laboratory should have good qualities and facilities which include large door for opening outwards, adequate space for carrying out experiments, proper lighting, good ventilation, a source of water, a source of heating, and adequate space for storing apparatus, chemicals, models, and specimens. C ommon Biology laboratory apparatus, equipment and resources A hand lens This is mainly used to magnify specimens that are under observation. A hand lens enables a scientist to magnify  small organisms or their parts in order to observe them clearly. Scientists usually make drawings of objects which they observe using a hand lens. The size of the drawing that they make is usually larger or smaller than the actual object. Magnification Magnification is calculated as follows: Formula for magnification Magnification = Size of image Actual...