Welcome to your Grade 11 Agriculture chapter 10
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the definition of natural resources?
2.
Which of the following is an example of a renewable natural resource?
3.
How are non-renewable resources characterized?
4.
What is a direct benefit provided by natural resources to humans?
5.
Which of these is a consequence of water pollution mentioned in the text?
6.
What effect does acidic waste water have on the environment if not treated?
7.
What inorganic substances used as fertilizers can pollute water resources?
8.
Why is chlorine used in the production of disinfectants?
9.
What is the natural pH range for most rivers and lakes?
10.
How can metals enter water bodies according to the text?
11.
Which of the following is an example of an organic waste that pollutes water?
12.
What happens if the pH value of a water body changes significantly?
13.
Which item is mentioned as a potential toxic substance for aquatic organisms?
14.
Which of these is a non-renewable resource?
15.
What can be used to neutralize acidic waste water?
16.
What are natural resources described as being capable of doing if they are renewable?
17.
Which of the following is considered a source of food and drink?
18.
What type of resource is biodiversity classified as?
19.
What is the main characteristic of minerals as a resource?
20.
What is the result of presence of unacceptable levels of harmful substances in water?
21.
What do living organisms generate that can pollute water bodies?
22.
Why can't humans produce natural resources?
23.
Which industry uses acid and alkaline chemicals that may pollute water?
24.
What is mentioned as a resource occurring in the natural environment?
25.
What happens when toxic substances like gasoline reach water bodies?
26.
What are current and future benefits derived from?
27.
What is atmospheric air an example of?
28.
What is required for aquatic organisms to survive in terms of water quality?
29.
What spoils the quality of water?
30.
Which of the following is an inorganic substance mentioned in the context of fertilizers?
