Biodiversity and Ecosystem Services: Interactive Learning Quizzes

Question 1

Which of the following is NOT a key ecosystem service provided by biodiversity?

Accepted Answer

Artificial fibers

Answer

Pollination

Answer

Water purification

Answer

Climate regulation

Question 2

Which of the following is an example of a keystone species?

Accepted Answer

Sea star

Answer

Tiger

Answer

Earthworm

Answer

Human

Question 3

What is the term used to describe a gradual decline in the number of species found in an ecosystem?

Accepted Answer

Biodiversity loss

Answer

Extinction

Answer

Endangerment

Answer

Depletion

Question 4

What is a keystone species?

Accepted Answer

A species that has a disproportionately large effect on its ecosystem relative to its abundance.

Answer

A species that is found at the top of the food chain.

Answer

A species that is highly adaptable to environmental changes.

Answer

A species that is not essential for the functioning of its ecosystem.

Question 5

What is the primary aim of ecosystem restoration?

Accepted Answer

To return damaged ecosystems to a former or desired state.

Answer

To introduce new species into ecosystems.

Answer

To enhance the recreational value of ecosystems.

Answer

To control invasive species.

Question 6

What is the main cause of global biodiversity loss?

Accepted Answer

Habitat destruction

Answer

Climate change

Answer

Overexploitation

Answer

Pollution

Question 7

What is the concept of 'ecosystem resilience'?

Accepted Answer

The ability of an ecosystem to withstand and recover from disturbances

Answer

The total number of species in an ecosystem

Answer

The rate at which an ecosystem produces resources

Answer

The amount of energy flowing through an ecosystem

Question 8

What is the term used to describe the interconnected relationships and dependencies between species within an ecosystem?

Accepted Answer

Ecological networks

Answer

Trophic interactions

Answer

Symbiotic relationships

Answer

Species assemblages

Question 9

Define biodiversity.

Accepted Answer

The variety of life on Earth

Answer

The abundance of specific species in a given habitat

Answer

The distribution of organisms in a particular environment

Answer

The relationships between organisms and their surroundings

Question 10

Which of the following is NOT an ecosystem service?

Accepted Answer

Production of fossil fuels

Answer

Air and water purification

Answer

Provision of food and shelter

Answer

Regulation of climate and soil quality

Question 11

Which of the following is an example of an in-situ conservation method?

Accepted Answer

National parks

Answer

Seed banks

Answer

Zoos

Answer

Botanical gardens

Question 12

Ecosystem services have both intrinsic and instrumental value. Which of the following is an example of instrumental value?

Accepted Answer

Enhancing agricultural productivity

Answer

Regulating climate

Answer

Providing aesthetic beauty

Answer

Supporting recreational activities

Question 13

What term encompasses the diverse benefits that humans derive from ecosystems?

Accepted Answer

Ecosystem services and goods

Answer

Environmental advantages

Answer

Natural capital

Answer

Biodiversity value

Question 14

Identify the primary factor responsible for the decline of coral reef ecosystems:

Accepted Answer

Human-induced climate change

Answer

Excessive fishing practices

Answer

Various forms of pollution

Answer

Introduction of invasive species

Question 15

Which term accurately describes the loss of biodiversity primarily caused by human activities?

Accepted Answer

Biodiversity loss

Answer

Extinction

Answer

Conservation

Answer

Ecosystem degradation

Question 16

Select the option that represents a sustainable practice in the field of agriculture:

Accepted Answer

Organic farming techniques

Answer

Monoculture cropping practices

Answer

Extensive use of chemical pesticides

Answer

None of the mentioned practices

Question 17

Which of the following conservation strategies aims to protect representative samples of ecosystems?

Accepted Answer

In-situ conservation

Answer

Ex-situ conservation

Answer

Restoration ecology

Answer

Landscape connectivity

Question 18

According to the precautionary principle in conservation, actions should be taken:

Accepted Answer

Even if there is limited scientific certainty about potential risks to biodiversity

Answer

Only when scientific evidence proves the existence of significant risks

Answer

Only after thorough cost-benefit analyses are conducted

Answer

Only if the potential economic benefits outweigh the environmental risks

Question 19

Which of the following is NOT a primary cause of species extinction?

Accepted Answer

Evolutionary adaptation

Answer

Habitat loss and fragmentation

Answer

Invasive species introduction

Answer

Overexploitation

Question 20

The Millennium Ecosystem Assessment (MA) was an international initiative that aimed to:

Accepted Answer

Assess the global state and trends of ecosystem services

Answer

Develop a comprehensive strategy for biodiversity conservation

Answer

Provide financial support for countries to implement conservation measures

Answer

Establish a global network of protected areas

Question 21

How does the 'ecological footprint' help us understand the impact of human activities on biodiversity?

Accepted Answer

It measures the land and water needed to support a population's resource use and waste absorption.

Answer

It quantifies the greenhouse gas emissions generated by a population.

Answer

It assesses the rate of biodiversity loss in a specific area.

Answer

It calculates the economic value of natural resources.

Question 22

Ecosystem services refer to the:

Accepted Answer

Benefits provided by ecosystems to humans

Answer

Costs of ecosystem degradation

Answer

Direct use of natural resources

Answer

Intrinsic value of nature

Question 23

Which of the following is an example of a regulating ecosystem service?

Accepted Answer

Carbon sequestration

Answer

Pollination

Answer

Biodiversity

Answer

Timber

Question 24

The precautionary principle is a concept that states that:

Accepted Answer

Actions should be taken to prevent harm, even if there is scientific uncertainty

Answer

Environmental damage should be minimized to the greatest extent possible

Answer

Conservation measures should be implemented only when there is clear scientific evidence of need

Answer

Economic growth should be prioritized over environmental protection

Question 25

The term "biodiversity hotspot" refers to:

Accepted Answer

Areas with high levels of biodiversity and endemism

Answer

Regions with large populations of charismatic species

Answer

Habitats with unique and threatened ecosystems

Answer

Protected areas established for conservation purposes

Question 26

What is the main goal of ecological restoration?

Accepted Answer

Restoring ecosystems to their natural state and functionality.

Answer

Protecting specific endangered species.

Answer

Mitigating the effects of climate change on ecosystems.

Question 27

Which of the following is NOT a major threat to biodiversity?

Accepted Answer

Sustainable land management

Answer

Habitat loss and fragmentation

Answer

Invasive species introductions

Answer

Overexploitation of resources

Question 28

Which ecosystem service provides us with oxygen production and carbon sequestration?

Accepted Answer

Photosynthesis

Answer

Water purification

Answer

Pollination

Answer

Nutrient cycling

Question 29

Which of the following is a characteristic of keystone species?

Accepted Answer

They have a disproportionate impact on their ecosystem

Answer

They are typically at the top of the food chain

Answer

They are usually rare or endangered species

Answer

They are found in all types of ecosystems

Question 30

Which of the following is NOT a potential benefit of ecosystem restoration?

Accepted Answer

Increased risk of invasive species establishment

Answer

Reduced flooding and erosion

Answer

Improved water quality

Answer

Enhanced biodiversity

Question 31

The primary threat to global biodiversity is:

Accepted Answer

Habitat loss and degradation

Answer

Invasive species

Answer

Pollution

Answer

Overexploitation

Question 32

Which of these is an example of an 'intrinsic value' of biodiversity?

Accepted Answer

The existence of species for their own sake

Answer

Regulating climate

Answer

Providing food and medicine for humans

Answer

Supporting tourism

Question 33

The Convention on Biological Diversity (CBD) aims to:

Accepted Answer

Conserve biodiversity, ensure sustainable use, and share benefits fairly

Answer

Protect endangered species from extinction

Answer

Establish protected areas worldwide

Question 34

Which of the following is a measure of species diversity within an ecosystem?

Accepted Answer

Species richness

Answer

Species abundance

Answer

Population size

Question 35

The term 'biodiversity hotspot' refers to:

Accepted Answer

Areas with high levels of endemic species and biodiversity

Answer

Areas with a high number of threatened species

Answer

Areas with a high degree of habitat loss

Question 36

Which of the following is a potential impact of climate change on biodiversity?

Accepted Answer

Shifts in species distributions and extinctions

Answer

Increased primary productivity

Answer

Increased genetic diversity

Answer

Expansion of habitat ranges

Question 37

Which of the following is a strategy for conserving biodiversity?

Accepted Answer

Establishing protected areas and reducing habitat loss

Answer

Allowing unlimited hunting and fishing

Answer

Introducing non-native species to increase genetic diversity