The Tulgren’s funnel is used to

Assessment: WAEC SSCE - Biology - 1996 (Objective) Subject: Biology

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The Tulgren’s funnel is used to
Answer Details
The Tulgren’s funnel is used to extract minute soil organisms. The funnel consists of a glass funnel with a stem and a collecting jar. The soil sample is placed in the upper part of the funnel, and a light source is placed above it to drive the organisms downwards. As the organisms move through the soil, they fall into the collection jar below. This is a useful tool for studying the biodiversity and abundance of microorganisms in the soil.
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