Quiz on Plants in Peril

This quiz has 10 questions. For each question there are two choices. Click on the one you think is correct.

1. What is Biodiversity? It is a term used to describe the variety of life on Earth.

   False
   True
   

2. Why are plants so important? They produce our food, are widely used in manufacturing medicines and industrial products and they provide shelter and energy for humans and animals.
   
   False
   True
   
   
3. How many plant species do we rely on to provide over 80% of the world's nutritional needs?
   
   20 plant species
   400 plant species
   
   
4. How many of today's prescription medicines have plant origins?
   
   One-fourth
   One-half
   
   
5. What common plant is used in products such as soap, glue, pencil erasers, bath powder and plastics?
   
   Corn
   Wheat
   
   
6. Development, habitat loss and degradation, and overuse of nature resources are some of the threats that are affecting our native plant diversity.
   
   False
   True
   
   
7. The terminology used for rare plants can be confusing and often differs between countries and between organizations. So, let's try to define the term endangered.
   Endangered refers to a species that is likely to become threatened in the near future.
   Endangered refers to a species in danger of extinction.
   
   
8. There are an estimated 20,000 native plants in the United States. But, how many plants are of conservation concern?
   
   10,000
   4,200
   
   
9. There are an estimated 20,000 native plants in the United States. But, how many plants are of conservation concern?
   
   Half of the rare native plants
   Three-fourths of the rare native plants
   
   
10. How many plant species are endemic to the Hawaiian Islands?
    
    Nearly 60 Percent
    Nearly 90 Percent