Question 1:

What are environmental indicators?

Explanation: Environmental indicators are variables that provide information about the state of the environment, such as air quality, water quality, and biodiversity.

Question 2:

Which of the following is an example of a chemical indicator used in environmental monitoring?

Explanation: pH level is an example of a chemical indicator used in environmental monitoring. It provides information about the acidity or alkalinity of a substance, such as water or soil.

Question 3:

What is the purpose of environmental monitoring?

Explanation: The purpose of environmental monitoring is to assess the impact of human activities on the environment, identify potential risks, and inform decision-making for sustainable management.

Question 4:

Which of the following is a direct monitoring method used in environmental assessment?

Explanation: Sampling and analysis is a direct monitoring method used in environmental assessment. It involves collecting samples from the environment, such as water or soil, and analyzing them in a laboratory to determine the presence and concentration of pollutants.

Question 5:

What is the benefit of using remote sensing in environmental monitoring?

Explanation: Remote sensing allows monitoring of inaccessible or large areas by capturing data from a distance using satellites or aircraft. It provides real-time data with high spatial coverage, which is useful for assessing environmental changes and patterns.