Test: Conservation of Plants & Animals- 2 - Class 8 MCQ

Grazing of animals and crop cultivation is prohibited in national park. National parks are constructed for particular plants and animals.

Global warming, driven by increased carbon dioxide levels, disturbs the water cycle, leading to changes in precipitation patterns, potentially causing droughts or floods.

Answer:
The correct answer is C: Habitat.
Explanation:
A habitat is a place in the environment where an organism lives. It provides the necessary resources and conditions for the organism to survive and reproduce. Here are some key points to consider:
- Habitat definition: A habitat refers to the specific place where an organism lives and interacts with its surrounding environment.
- Characteristics of a habitat:
- It provides shelter and protection for the organism.
- It offers the necessary food and water resources.
- It has suitable temperature and climate conditions.
- It may have specific features or structures that support the organism's needs (e.g., burrows, nests, or coral reefs).
- Examples of habitats:
- Forests, where trees provide shelter and food for a variety of organisms.
- Oceans, which are home to a diverse range of marine life.
- Deserts, where organisms have adapted to survive in extreme temperature and water scarcity.
- Grasslands, which support grazing animals and their predators.
- Importance of habitats:
- Habitats play a crucial role in maintaining biodiversity and ecological balance.
- They provide a variety of niches for different species to occupy, promoting species interactions and ecological relationships.
- Habitats also contribute to various ecosystem services, such as water filtration, carbon sequestration, and soil stabilization.
Overall, a habitat is a fundamental concept in ecology, representing the specific place where an organism resides and thrives, influenced by various environmental factors.

Biosphere reserves are established to conserve biodiversity, protect various species, and maintain the natural balance and cultural heritage of the area.

To limit noise pollution, conducting noisy operations away from residential areas and minimizing the use of automobile horns are effective measures.

Desertification leads to the loss of soil fertility as the top layer of soil erodes, turning fertile land into barren deserts unable to support vegetation.

Migratory birds are unique because they migrate annually to different regions due to climatic changes, seeking more favorable conditions for nesting and feeding.

Biodiversity refers to the variety of organisms in an area, their interrelationships, and their interactions with the environment, essential for ecosystem stability.

India itself is a mega biodiversity country. Large number of different kinds of plants and animals are found in India. India hold sixth position on the list of mega biodiversity countries.

Deforestation decreases the water holding capacity of soil, making it more prone to erosion and reducing its ability to support plant growth.