Bird droppings and guano

15 Points Per Correct Answer - No time limit  

1. Guano is made only from bird droppings. True False

2. Besides the standard black and white mixture, what other colours can be found in bird droppings? Purple Virtually any colours Brown None

3. Which of these cannot be made with bird droppings? Explosives Seed distribution compounds Shampoo Fertilizer

4. Which plant was thought to be grown from bird droppings? Tomatoes Currants Blackberries Mistletoe

5. How does guano differ from other bird droppings? It doesn't, it is the same thing Its colour Where it is collected Its composition

6. In typical bird droppings what are the black and white portions made from? Different shades of faeces Dark and light foods Faeces and urine Food waste and dead cells

7. What are the active ingredients in guano? All of these Phosphorus Nitrogen Fungi

8. What bird is recognised as the best overall producer (quality and quantity) of guano? Seagull Pelican Puffin Guanay cormorant

9. What is the biggest negative consequence of collecting guano? Loss of biodiversity Loss of producer population Cliff erosion Climate change

10. What process is most likely to be used before spreading guano on the land in Peru? Freezing it Distillation Separation into urine and faeces Burning it