Home
General Knowledge (GK)
General Science and Nature
- Biology MCQs

Home

General Knowledge (GK)

General Science

Environmental Science

All MCQs

Environmental Science

Sign in

Hay, Enter your details to get sign in to your account

Forgot Password?

Don't have an account Sign up

Sign up

Hay, Enter your details to get sign up to your account

Have an account already Sign in

11.

What is the term for the practice of using natural predators or diseases to control pests in agriculture?

Genetic engineering

Pesticide use

Integrated pest management

Organic farming

Explanation Comments

Answer: Integrated pest management

Explanation:

Integrated pest management (IPM) is the practice of using natural predators, diseases, and various techniques to control pests in agriculture while minimizing the use of pesticides.

Hide Explanation

12.

Which of the following gases is a major contributor to the greenhouse effect?

Nitrogen (N2)

Oxygen (O2)

Carbon dioxide (CO2)

Hydrogen (H2)

Explanation Comments

Answer: Carbon dioxide (CO2)

Explanation:

Carbon dioxide is a major greenhouse gas that contributes to the greenhouse effect and global warming.

Hide Explanation

13.

What is the term for the loss of biodiversity due to human activities, such as deforestation and habitat destruction?

Habitat fragmentation

Desertification

Biodiversity loss

Pollution

Explanation Comments

Answer: Biodiversity loss

Explanation:

Biodiversity loss is the decline in the variety and abundance of species in a given area, often due to human activities.

Hide Explanation

14.

Which of the following is a renewable energy source derived from the heat of the Earth's interior?

Nuclear energy

Geothermal energy

Wind energy

Solar energy

Explanation Comments

Answer: Geothermal energy

Explanation:

Geothermal energy is a renewable energy source that harnesses the Earth's internal heat.

Hide Explanation

15.

What is the term for the process of converting organic waste into nutrient-rich soil conditioner?

Recycling

Incineration

Landfilling

Composting

Explanation Comments

Answer: Composting

Explanation:

Composting is the process of converting organic waste into nutrient-rich soil conditioner.

Hide Explanation

16.

What is the term for the protective layer of gases in the Earth's atmosphere that shields life from harmful ultraviolet radiation?

Mesosphere

Stratosphere

Troposphere

Ozone layer

Explanation Comments

Answer: Ozone layer

Explanation:

The ozone layer is the protective layer of gases in the Earth's stratosphere that shields life from harmful ultraviolet (UV) radiation.

Hide Explanation

17.

Which of the following is a primary greenhouse gas released during the combustion of fossil fuels?

Carbon dioxide (CO2)

Nitrogen (N2)

Oxygen (O2)

Methane (CH4)

Explanation Comments

Answer: Carbon dioxide (CO2)

Explanation:

Carbon dioxide (CO2) is a primary greenhouse gas released during the combustion of fossil fuels.

Hide Explanation

18.

What is the term for the introduction of harmful substances or pollutants into the environment, causing harm to living organisms?

Desertification

Biodiversity loss

Pollution

Eutrophication

Explanation Comments

Answer: Pollution

Explanation:

Pollution is the introduction of harmful substances or pollutants into the environment, leading to harm to living organisms.

Hide Explanation

19.

Which international organization is responsible for assessing and addressing global environmental issues, including biodiversity conservation and climate change?

UNEP

UNICEF

UNDP

WHO

Explanation Comments

Answer: UNEP (United Nations Environment Programme)

Explanation:

UNEP is the United Nations Environment Programme, responsible for addressing global environmental issues.

Hide Explanation

20.

Which of the following is a major driver of deforestation?

Sustainable logging

Afforestation

Urbanization

Reforestation

Explanation Comments

Answer: Urbanization

Explanation:

Urbanization, the process of urban development, often leads to deforestation as land is converted for urban use.

Hide Explanation

Quick Links

Anatomy and Physiology

Biology

Chemistry

Earth Science

Environmental Science

Astronomy / Solar System

Physics

Home
About
Blog
Contact