Question 1

What is the term for the introduction of harmful substances into the environment at levels that exceed the natural capacity to break them down?

Accepted Answer

a. Pollution

Question 2

Which term refers to the gradual increase in the Earths average temperature?

Accepted Answer

b. Climate change

Question 3

Which of the following pollutants is a major contributor to acid rain?

Accepted Answer

c. Nitrogen oxides (NOx)

Question 4

What is the term for the gradual increase in the salinity of soil and water in arid regions?

Accepted Answer

a. Desertification

Question 5

Which of the following is a natural greenhouse gas?

Accepted Answer

d. Oxygen (O2)

Question 6

Which term refers to the variety of ecosystems within a given region or area?

Accepted Answer

a. Ecosystem diversity

Question 7

What is the main cause of soil erosion?

Accepted Answer

b. Water

Question 8

What is the term for the introduction of non-native species into an ecosystem, which can disrupt native ecosystems?

Accepted Answer

d. Invasive species

Question 9

What is the term for the gradual loss of soil fertility and productivity due to intensive agricultural practices?

Accepted Answer

b. Soil depletion

Question 10

What is the primary goal of environmental studies?

Accepted Answer

b. Sustainability

Question 11

Which of the following is a renewable energy source?

Accepted Answer

c. Solar power

Question 12

What is the term for the process of converting waste materials into reusable materials to prevent waste disposal?

Accepted Answer

a. Recycling

Question 13

Which type of pollution is caused by excessive use of fertilizers and results in the overgrowth of algae in water bodies?

Accepted Answer

c. Water pollution

Question 14

What is biodiversity?

Accepted Answer

a. The variety of species in an ecosystem

Question 15

What is the term for the loss of a natural habitat that occurs when a new ecosystem develops and replaces the original ecosystem?

Accepted Answer

d. Habitat succession

Question 16

Which environmental concept emphasises the responsible use and conservation of natural resources?

Accepted Answer

c. Environmental stewardship

Question 17

What is the term for the process of removing salt and other impurities from seawater to make it suitable for drinking and irrigation?

Accepted Answer

a. Desalination

Question 18

Which environmental law in the United States regulates the discharge of pollutants into water bodies and sets water quality standards?

Accepted Answer

b. Clean Water Act

Question 19

Which of the following is a sustainable agricultural practice?

Accepted Answer

c. Crop rotation

Question 20

Which of the following is a method for reducing solid waste by collecting and processing materials that would otherwise be thrown away?

Accepted Answer

a. Recycling

Environmental studies 50 MCQs BBA 1st Sem — Question Paper