Description
300 Level Biological Sciences Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
Write on any two of the following:
i. Water Movements
ii. Application of physical and chemical parameters in hydrobiological studies.
iii. Effects of pollution on chemical composition and distribution of organisms in a stream
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![An immersion heater rated 2.0A; 240V is used to boil water from temperature 52°C to 100°C. If the mass of the water is 2.5kg. determine the time taken to boil the water. [specific heat capacity of water = 4.2 x 10³ jkg−¹ k−¹ ] past-questions-and-answers](https://erudites.ng/wp-content/uploads/2020/06/past-questions-and-answers-150x150.jpg)


