Environmental Studies ยท Biology

Biodiversity and Conservation

2,266 Questions

Biodiversity and conservation questions address threats to ecosystems, climate change impacts, and habitat loss. These topics are essential for environmental science sections in major competitive exams. Practicing these questions clarifies concepts regarding species extinction and ecological management.

Habitat loss consequencesClimate change impactsEcosystem degradation causesDesert biodiversity threatsForest diversity threatsResource extraction effects

Biodiversity and Conservation Questions

Multiple choice

Which group of organisms is particularly vulnerable to climate change?

  1. Polar bears

  2. Coral reefs

  3. Birds

  4. Insects
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coral reefs are highly sensitive to changes in water temperature and acidity, making them particularly vulnerable to climate change.

Multiple choice

Which of the following is NOT a potential consequence of climate change for biodiversity?

  1. Increased species diversity

  2. Shifts in species' ranges

  3. Increased risk of extinction

  4. Changes in ecosystem functioning
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Climate change is generally expected to lead to a decrease in species diversity, rather than an increase.

Multiple choice

Which of the following is NOT a consequence of biodiversity loss resulting from deforestation?

  1. Reduced ecosystem resilience to climate change

  2. Loss of potential sources of food and medicine

  3. Increased risk of zoonotic diseases

  4. Enhanced soil fertility
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deforestation typically leads to soil degradation and loss of fertility due to erosion and nutrient depletion.

Multiple choice

What is overexploitation?

  1. The excessive use of a resource to the point of depletion or collapse.

  2. The introduction of a non-native species into an ecosystem.

  3. The destruction of a habitat.

  4. The hunting of a species to extinction.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Overexploitation can occur when a species is harvested at a rate faster than it can reproduce, or when a habitat is destroyed or degraded to the point that it can no longer support the species.

Multiple choice

What are some examples of overexploitation?

  1. The hunting of whales to extinction.

  2. The clear-cutting of forests.

  3. The overfishing of tuna.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Overexploitation can occur in a variety of contexts, including hunting, fishing, forestry, and mining.

Multiple choice

What are the consequences of overexploitation?

  1. The extinction of species.

  2. The degradation of ecosystems.

  3. The loss of biodiversity.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Overexploitation can lead to a number of negative consequences, including the extinction of species, the degradation of ecosystems, and the loss of biodiversity.

Multiple choice

What are some of the environmental consequences of overexploitation?

  1. Extinction of species.

  2. Loss of biodiversity.

  3. Degradation of ecosystems.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Overexploitation can also have a number of negative environmental consequences, including extinction of species, loss of biodiversity, and degradation of ecosystems.

Multiple choice

What are some challenges to protecting endangered species?

  1. Habitat loss and fragmentation.

  2. Climate change.

  3. Pollution.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Endangered species face a number of challenges, including habitat loss and fragmentation, climate change, and pollution.

Multiple choice

What is the term for the loss of biodiversity?

  1. Extinction

  2. Habitat destruction

  3. Pollution

  4. Climate change
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Extinction is the loss of a species from the planet.

Multiple choice

Which of the following is NOT a negative impact of deforestation on insects?

  1. Loss of habitat

  2. Increased exposure to pesticides

  3. Increased food availability

  4. Reduced competition
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Deforestation can lead to a decrease in food availability for insects, as trees and other plants that provide them with food are removed.

Multiple choice

Which of the following is NOT a consequence of deforestation for insects?

  1. Loss of habitat

  2. Increased exposure to predators

  3. Increased competition for resources

  4. Increased food availability
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deforestation can lead to a decrease in food availability for insects, as trees and other plants that provide them with food are removed.

Multiple choice

What is the main threat to coral reefs?

  1. Climate change

  2. Overfishing

  3. Pollution

  4. Coastal development
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Climate change is the main threat to coral reefs, as rising sea temperatures cause corals to bleach and die.

Multiple choice

Which of the following is NOT a consequence of water scarcity?

  1. Reduced agricultural productivity

  2. Increased risk of waterborne diseases

  3. Enhanced biodiversity

  4. Conflicts over water resources
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Water scarcity typically leads to reduced biodiversity, as many aquatic and terrestrial ecosystems rely on adequate water availability.

Multiple choice

Which of the following is NOT a threat to pollinators?

  1. Habitat loss

  2. Pesticides

  3. Climate change

  4. Competition from invasive species
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Competition from invasive species is not a threat to pollinators, as it does not directly affect their ability to pollinate plants.

Multiple choice

What is the main consequence of reduced pollination services?

  1. Decreased seed production

  2. Increased pest outbreaks

  3. Reduced biodiversity

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Reduced pollination services can lead to decreased seed production, increased pest outbreaks, and reduced biodiversity, as plants rely on pollinators for reproduction.