Grade 6 Science & Technology · Strand 1: Living things and the Environment · Fungi
Economic Importance Medicine and Industry
A short Grade 6 Science & Technology lesson for the CBE curriculum, part of Living things and the Environment: Fungi. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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1. In 1928, Alexander Fleming noticed that bacteria did not grow near a mould in his culture plate. Which mould was it?
- A. Penicillium notatum
- B. Aspergillus niger
- C. Yeast
- D. Mushroom mycelium
2. Why do biological washing powders contain enzymes made by fungi?
- A. They break down stubborn stains, even in cool water
- B. They turn dirty clothes into denim
- C. They kill all viruses in the clothes
- D. They make the water boil faster
3. Which statement about antibiotics such as penicillin is correct?
- A. They treat bacterial infections but not colds or influenza
- B. They cure colds and influenza quickly
- C. They are made only from bacteria
- D. They are used only to soften jeans
4. Name the acid used to preserve soft drinks and sweets that is made commercially by the black mould Aspergillus niger.
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5. A bar chart shows the yearly global market value of fungal products: antibiotics $45 billion, other drugs $25 billion, bio-enzymes $12 billion and organic acids $6 billion. What is the total value of antibiotics and bio-enzymes together, in billions of US dollars?
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