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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 "Earth's Green Mantle".

Multiple Choice Questions

1. Since the 1940s, more than 200 chemicals have been created for the purpose of _____________.
(a) War
(b) Experimentation
(c) Pest control
(d) Pharmaceuticals

2. Bacteria, fungi, and algae are the smallest organisms of Earth and they live in the ________.
(a) Soil
(b) Air
(c) Water
(d) Stones

3. Humankind is producing new ________ in the laboratory, though these used to be limited only to nature's actions.
(a) Plants
(b) DNA
(c) Chemicals
(d) Wastes

4. What is the name of the naturally occurring mineral that is toxic to humans and most creatures but is still used as a pesticide?
(a) Arsenic
(b) Lead
(c) Carbon
(d) Boron

5. The majority of the Earth's surface is covered with __________.
(a) Land
(b) Birds
(c) Trees
(d) Water

Short Answer Questions

1. Chemical insecticides and herbicides are challenging because they are _____________.

2. In many cases, the spraying is killing wildflowers which attract ___________.

3. Only _________ have gained the ability to reserve the roles and actually change the environment they live in.

4. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.

5. DDT is passed long through the ___________ during the course of nearly everyone's life.

(see the answer key)

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