Class 8 Exam > Class 8 Notes > Science Class 8 > Long Answer Questions - Conservation of Plants & Animals Science
Class 8 Science Chapter 5 Question Answers - Conservation of Plants and Animals
Long Answer Question,
Q1: Explain deforestation and its effects on plants, animals, soil and environment.
Ans: Deforestation means clearing the forest or stands of trees, and using that land for other purposes. Following are the main causes of deforestation
- Procuring land for cultivation
- Building houses and factories
- Making furniture or using wood as fuel.
- Some natural causes of deforestation are forest fires and severe droughts.
Q2: What do you mean by conservation of forests and wild life? Highlight all possible measures taken to conserve our forests and wild life.
Ans: The government lays down various rules, methods and policies for protection and conservation of wild life. Government are focussing on wildlife sanctuaries, national park, and biosphere reserves for conservation of plants and animals present in that area.
Q3: Why we should save papers?
Ans: About seventeen full grown trees are required to produce one tonne of paper. Paper can be recycled around five to seven times for use. We should save, reuse and recycle paper to save not only trees but also to save the energy, water and chemicals used to make paper. Thus we should save papers to save plants and to save our planet from getting imbalanced.
Q4: How could we contribute to the maintenance and survival of green wealth of our society?
Ans: By planting more and more trees, by taking care of plants and trees growing in and around our society. By making people aware of the importance of trees and encouraging them to plant more and more trees, by making people aware of the harmful effects of deforestation. We should also water the plants for their proper growth.
Q5: What is the reason behind migration behaviour shown by some birds?
Ans: Migration is the behaviour of animals of flying in far away areas every year during a particular time because of change in climatic condition. Birds fly for laying eggs as weather in their natural habitat is not suitable for their survival and for laying eggs; such birds are called migratory birds, like S Flamingos, Siberian Cranes and Night heron.
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FAQs on Class 8 Science Chapter 5 Question Answers - Conservation of Plants and Animals
| 1. What is the importance of conservation of plants and animals? |  |
Ans. The conservation of plants and animals is important for several reasons. Firstly, it helps in maintaining the balance in the ecosystem. Plants and animals play crucial roles in the food chain and the overall functioning of the environment. Conservation ensures that the natural balance is not disturbed, and the ecosystem remains healthy. Furthermore, many plants and animals have medicinal value, and their conservation helps in preserving the biodiversity of our planet. Conservation also helps in preserving the habitat and natural resources that are essential for the survival of various species.
| 2. What are the major threats to plant and animal conservation? | |
Ans. There are several major threats to plant and animal conservation. One of the key threats is habitat destruction due to deforestation, urbanization, and agricultural expansion. This leads to the loss of natural habitats, making it difficult for plants and animals to survive. Pollution, including air, water, and soil pollution, also poses a significant threat. It affects the quality of the environment and can harm plants and animals. Another major threat is the overexploitation of resources, such as hunting and illegal trade of wildlife, which can lead to the extinction of species. Climate change is also emerging as a major threat, as it alters ecosystems and affects the distribution and survival of plants and animals.
| 3. How can individuals contribute to the conservation of plants and animals? | |
Ans. Individuals can contribute to the conservation of plants and animals in various ways. Firstly, they can actively participate in afforestation and reforestation programs by planting trees and creating green spaces. Conserving water and using it wisely can also help in preserving the habitats of aquatic plants and animals. Avoiding the use of harmful pesticides and opting for organic farming practices can protect plants and animals from the adverse effects of chemicals. Supporting and volunteering for wildlife conservation organizations can make a significant impact. Additionally, spreading awareness about the importance of conservation and educating others can inspire more people to take action.
| 4. What are the consequences of not conserving plants and animals? | |
Ans. The consequences of not conserving plants and animals can be severe. Firstly, the loss of biodiversity can disrupt the delicate balance of ecosystems, leading to the extinction of species and the collapse of food chains. This can have far-reaching effects on the environment, including reduced pollination, degraded soil quality, and decreased availability of natural resources. Furthermore, the loss of certain plants and animals can have negative impacts on human health, as many species have medicinal properties that can be used in the development of drugs. Not conserving plants and animals also means losing the aesthetic beauty and cultural value associated with diverse species.
| 5. What are some successful examples of plant and animal conservation efforts? | |
Ans. There have been several successful examples of plant and animal conservation efforts. One such example is the conservation of the giant panda in China. Through the creation of protected areas and habitat restoration programs, the population of giant pandas has increased significantly. Another successful conservation effort is the recovery of the bald eagle population in the United States. Strict regulations on hunting and the banning of harmful pesticides helped in the revival of this iconic bird species. The conservation of the black-footed ferret, an endangered species, is another notable success. Through captive breeding and reintroduction programs, the population of black-footed ferrets has been steadily increasing. These success stories highlight the positive impact of conservation efforts.
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