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Class 8 Practice – Level 3 – Set 2 – Conservation of Plants and Animals
Total questions: 15
1.
How does afforestation contribute to mitigating climate change?
Increases soil erosion
Reduces biodiversity by planting only one species
Sequesters atmospheric carbon dioxide
Increases water runoff into nearby rivers
None
2.
Which of the following is a major challenge in managing protected areas for conservation?
Overpopulation of species in the area
Lack of scientific research on flora and fauna
Strict enforcement of human entry restrictions
Habitat fragmentation within the protected area
None
3.
Which of the following is the most significant threat to migratory species?
Changes in climate at their breeding grounds
Lack of food in protected areas
Predation by native species in new habitats
Excessive competition with domestic animals
None
4.
Why are tropical rainforests considered more vulnerable to human activities compared to temperate forests?
Rainforests have slower regeneration rates
Rainforests host more biodiversity
Rainforests are located near urban areas
Rainforests depend on seasonal rains
None
5.
Which of the following is a critical role played by Non-Governmental Organizations (NGOs) in biodiversity conservation?
Creating wildlife corridors within cities
Lobbying for increased hunting licenses
Promoting awareness and education on conservation issues
Replacing government policies on conservation
None
6.
Why is maintaining genetic diversity important for the long-term survival of species?
It increases reproductive rates
It reduces competition between species
It increases predator resistance
It enables species to adapt to changing environments
None
7.
What is the most direct impact of habitat fragmentation on large mammal populations?
Increased genetic diversity
Reduced access to food and mates
Greater protection from predators
Improved adaptation to climate change
None
8.
Which of the following best explains how invasive species contribute to biodiversity loss?
They create new habitats for native species
They increase the genetic diversity of ecosystems
They enhance soil fertility
They outcompete and displace native species
None
9.
Why are national parks considered one of the most effective in-situ conservation methods?
They allow the extraction of natural resources
They prohibit all human activities
They conserve ecosystems in their natural state
They allow selective logging to manage forests
None
10.
What is the primary drawback of ex-situ conservation methods like zoos and botanical gardens?
They cause species to become overpopulated
They cannot replicate natural habitats completely
They encourage human-wildlife conflict
They promote inbreeding among species
None
11.
Why are coral reefs often referred to as the "rainforests of the sea"?
They are found in tropical climates
They produce large amounts of oxygen
They are home to diverse marine species
They have abundant mineral resources
None
12.
Which of the following is a critical step in restoring a degraded forest ecosystem?
Introducing non-native tree species
Building more roads for access
Removing invasive species and planting native flora
Reducing the number of predatory animals
None
13.
What is the most significant challenge in implementing international conservation policies?
Lack of scientific data on endangered species
Disagreement over climate change impacts
Insufficient global cooperation and enforcement
Overpopulation of protected species
None
14.
How can reforestation projects help in mitigating the effects of climate change?
By reducing soil moisture levels
By increasing atmospheric CO₂
By acting as carbon sinks that absorb CO₂
By raising the global temperature
None
15.
Which of the following ethical principles is often debated in conservation efforts?
Whether to prioritize endangered plants over animals
Whether human interests should override species survival
Whether wildlife should be domesticated for conservation
Whether genetically modified organisms should be introduced into the wild
None
1 out of 15
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